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4 years agoMerge branches 'clk-cdce-regulator', 'clk-bcm', 'clk-evict-parent-cache' and 'clk...
Stephen Boyd [Thu, 19 Sep 2019 22:31:46 +0000 (15:31 -0700)]
Merge branches 'clk-cdce-regulator', 'clk-bcm', 'clk-evict-parent-cache' and 'clk-actions' into clk-next

 - Add regulator support to the cdce925 clk driver
 - Add support for Raspberry Pi 4 bcm2711 SoCs
 - Evict parents from parent cache when they're unregistered

* clk-cdce-regulator:
  clk: clk-cdce925: Add regulator support
  dt-bindings: clock: cdce925: Add regulator documentation

* clk-bcm:
  clk: bcm2835: Mark PLLD_PER as CRITICAL
  clk: bcm2835: Add BCM2711_CLOCK_EMMC2 support
  clk: bcm2835: Introduce SoC specific clock registration
  dt-bindings: bcm2835-cprman: Add bcm2711 support

* clk-evict-parent-cache:
  clk: Evict unregistered clks from parent caches

* clk-actions:
  clk: actions: Fix factor clk struct member access

4 years agoMerge branches 'clk-renesas', 'clk-rockchip', 'clk-const' and 'clk-simplify' into...
Stephen Boyd [Thu, 19 Sep 2019 22:31:41 +0000 (15:31 -0700)]
Merge branches 'clk-renesas', 'clk-rockchip', 'clk-const' and 'clk-simplify' into clk-next

* clk-renesas:
  clk: renesas: cpg-mssr: Set GENPD_FLAG_ALWAYS_ON for clock domain
  clk: renesas: r9a06g032: Set GENPD_FLAG_ALWAYS_ON for clock domain
  clk: renesas: mstp: Set GENPD_FLAG_ALWAYS_ON for clock domain
  dt-bindings: clk: emev2: Rename bindings documentation file
  clk: renesas: rcar-usb2-clock-sel: Use devm_platform_ioremap_resource() helper

* clk-rockchip:
  clk: rockchip: Add clock controller for the rk3308
  clk: rockchip: Add dt-binding header for rk3308
  dt-bindings: Add bindings for rk3308 clock controller
  clk: rockchip: Fix -Wunused-const-variable in rv1108 clk driver

* clk-const:
  clk: spear: Make structure i2s_sclk_masks constant

* clk-simplify:
  clk/ti: Use kmemdup rather than duplicating its implementation
  clk: fix devm_platform_ioremap_resource.cocci warnings

4 years agoMerge branches 'clk-init-destroy', 'clk-doc', 'clk-imx' and 'clk-allwinner' into...
Stephen Boyd [Thu, 19 Sep 2019 22:31:27 +0000 (15:31 -0700)]
Merge branches 'clk-init-destroy', 'clk-doc', 'clk-imx' and 'clk-allwinner' into clk-next

 - Set clk_init_data pointer inside clk_hw to NULL after registration

* clk-init-destroy:
  clk: Overwrite clk_hw::init with NULL during clk_register()
  clk: sunxi: Don't call clk_hw_get_name() on a hw that isn't registered
  clk: ti: Don't reference clk_init_data after registration
  clk: qcom: Remove error prints from DFS registration
  rtc: sun6i: Don't reference clk_init_data after registration
  clk: zx296718: Don't reference clk_init_data after registration
  clk: milbeaut: Don't reference clk_init_data after registration
  clk: socfpga: deindent code to proper indentation
  phy: ti: am654-serdes: Don't reference clk_init_data after registration
  clk: sprd: Don't reference clk_init_data after registration
  clk: socfpga: Don't reference clk_init_data after registration
  clk: sirf: Don't reference clk_init_data after registration
  clk: qcom: Don't reference clk_init_data after registration
  clk: meson: axg-audio: Don't reference clk_init_data after registration
  clk: lochnagar: Don't reference clk_init_data after registration
  clk: actions: Don't reference clk_init_data after registration

* clk-doc:
  clk: remove extra ---help--- tags in Kconfig
  clk: add include guard to clk-conf.h
  clk: Document of_parse_clkspec() some more
  clk: Remove extraneous 'for' word in comments

* clk-imx: (32 commits)
  clk: imx: imx8mn: fix pll mux bit
  clk: imx: imx8mm: fix pll mux bit
  clk: imx: clk-pll14xx: unbypass PLL by default
  clk: imx: pll14xx: avoid glitch when set rate
  clk: imx: imx8mn: fix audio pll setting
  clk: imx8mn: Add necessary frequency support for ARM PLL table
  clk: imx8mn: Add missing rate_count assignment for each PLL structure
  clk: imx8mn: fix int pll clk gate
  clk: imx8mn: Add GIC clock
  clk: imx8mn: Fix incorrect parents
  clk: imx8mm: Fix incorrect parents
  clk: imx8mq: Fix sys3 pll references
  clk: imx8mq: Unregister clks when of_clk_add_provider failed
  clk: imx8mm: Unregister clks when of_clk_add_provider failed
  clk: imx8mq: Mark AHB clock as critical
  clk: imx8mn: Keep uart clocks on for early console
  clk: imx: Remove unused function statement
  clk: imx7ulp: Make sure earlycon's clock is enabled
  clk: imx8mm: Switch to platform driver
  clk: imx: imx8mm: fix audio pll setting
  ...

* clk-allwinner:
  clk: sunxi-ng: h6: Allow I2S to change parent rate
  clk: sunxi-ng: v3s: add Allwinner V3 support
  clk: sunxi-ng: v3s: add missing clock slices for MMC2 module clocks
  dt-bindings: clk: sunxi-ccu: add compatible string for V3 CCU
  clk: sunxi-ng: v3s: add the missing PLL_DDR1

4 years agoMerge branches 'clk-qcom', 'clk-mtk', 'clk-armada', 'clk-ingenic' and 'clk-meson...
Stephen Boyd [Thu, 19 Sep 2019 22:30:59 +0000 (15:30 -0700)]
Merge branches 'clk-qcom', 'clk-mtk', 'clk-armada', 'clk-ingenic' and 'clk-meson' into clk-next

 - Support qcom SM8150 RPMh clks
 - Set floor ops for qcom sd clks
 - Support qcom QCS404 WCSS clks
 - Support for Mediatek MT6779 SoCs
 - Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)

* clk-qcom:
  clk: qcom: rcg: Return failure for RCG update
  clk: qcom: fix QCS404 TuringCC regmap
  clk: qcom: clk-rpmh: Add support for SM8150
  dt-bindings: clock: Document SM8150 rpmh-clock compatible
  clk: qcom: clk-rpmh: Convert to parent data scheme
  dt-bindings: clock: Document the parent clocks
  clk: qcom: gcc: Use floor ops for SDCC clocks
  clk: qcom: gcc-qcs404: Use floor ops for sdcc clks
  clk: qcom: gcc-sdm845: Use floor ops for sdcc clks
  clk: qcom: define probe by index API as common API
  clk: qcom: Add WCSS gcc clock control for QCS404
  clk: qcom: msm8916: Don't build by default
  clk: qcom: gcc: Add global clock controller driver for SM8150
  dt-bindings: clock: Document gcc bindings for SM8150
  clk: qcom: clk-alpha-pll: Add support for Trion PLLs
  clk: qcom: clk-alpha-pll: Remove post_div_table checks
  clk: qcom: clk-alpha-pll: Remove unnecessary cast

* clk-mtk:
  clk: mediatek: Runtime PM support for MT8183 mcucfg clock provider
  clk: mediatek: Register clock gate with device
  clk: mediatek: add pericfg clocks for MT8183
  dt-bindings: clock: mediatek: add pericfg for MT8183
  clk: mediatek: Add MT6779 clock support
  clk: mediatek: Add dt-bindings for MT6779 clocks
  dt-bindings: mediatek: bindings for MT6779 clk
  clk: reset: Modify reset-controller driver

* clk-armada:
  clk: mvebu: ap80x: add AP807 clock support
  clk: mvebu: ap806: Prepare the introduction of AP807 clock support
  clk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver
  clk: mvebu: ap806: be more explicit on what SaR is
  clk: mvebu: ap80x-cpu: add AP807 CPU clock support
  clk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock
  dt-bindings: ap806: Document AP807 clock compatible
  dt-bindings: ap80x: Document AP807 CPU clock compatible
  clk: mvebu: ap806: Fix clock name for the cluster
  clk: mvebu: add CPU clock driver for Armada 7K/8K
  clk: mvebu: add helper file for Armada AP and CP clocks
  dt-bindings: ap806: add the cluster clock node in the syscon file

* clk-ingenic:
  clk: ingenic: Use CLK_OF_DECLARE_DRIVER macro
  clk: ingenic/jz4740: Fix "pll half" divider not read/written properly

* clk-meson: (23 commits)
  clk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks
  clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock
  clk: meson: g12a: add support for SM1 GP1 PLL
  dt-bindings: clk: meson: add sm1 periph clock controller bindings
  clk: meson: axg-audio: add g12a reset support
  dt-bindings: clock: meson: add resets to the audio clock controller
  clk: meson: g12a: expose CPUB clock ID for G12B
  clk: meson: g12a: add notifiers to handle cpu clock change
  clk: meson: add g12a cpu dynamic divider driver
  clk: core: introduce clk_hw_set_parent()
  clk: meson: remove clk input helper
  clk: meson: remove ee input bypass clocks
  clk: meson: clk-regmap: migrate to new parent description method
  clk: meson: meson8b: migrate to the new parent description method
  clk: meson: axg: migrate to the new parent description method
  clk: meson: gxbb: migrate to the new parent description method
  clk: meson: g12a: migrate to the new parent description method
  clk: meson: remove ao input bypass clocks
  clk: meson: axg-aoclk: migrate to the new parent description method
  clk: meson: gxbb-aoclk: migrate to the new parent description method
  ...

4 years agoMerge branches 'clk-aspeed', 'clk-unused', 'clk-of-node-put', 'clk-const-bulk-data...
Stephen Boyd [Thu, 19 Sep 2019 22:30:40 +0000 (15:30 -0700)]
Merge branches 'clk-aspeed', 'clk-unused', 'clk-of-node-put', 'clk-const-bulk-data' and 'clk-debugfs' into clk-next

 - Add SDIO gate to aspeed driver
 - Support aspeed AST2600 SoC
 - Add missing of_node_put() calls in various clk drivers
 - Drop NULL checks in clk debugfs
 - Add min/max rates to clk debugfs

* clk-aspeed:
  clk: Add support for AST2600 SoC
  clk: aspeed: Move structures to header
  clk: aspeed: Add SDIO gate

* clk-unused:
  clk: st: clkgen-pll: remove unused variable 'st_pll3200c32_407_a0'
  clk: st: clkgen-fsyn: remove unused variable 'st_quadfs_fs660c32_ops'
  clk: composite: Drop unused clk.h include
  clk: Si5341/Si5340: remove redundant assignment to n_den
  clk: qoriq: Fix -Wunused-const-variable

* clk-of-node-put:
  clk: ti: dm814x: Add of_node_put() to prevent memory leak
  clk: st: clk-flexgen: Add of_node_put() in st_of_flexgen_setup()
  clk: davinci: pll: Add of_node_put() in of_davinci_pll_init()
  clk: versatile: Add of_node_put() in cm_osc_setup()

* clk-const-bulk-data:
  clk: Constify struct clk_bulk_data * where possible

* clk-debugfs:
  clk: Drop !clk checks in debugfs dumping
  clk: Use seq_puts() in possible_parent_show()
  clk: Assert prepare_lock in clk_core_get_boundaries
  clk: Add clk_min/max_rate entries in debugfs

4 years agoclk: Drop !clk checks in debugfs dumping
Stephen Boyd [Mon, 26 Aug 2019 23:47:29 +0000 (16:47 -0700)]
clk: Drop !clk checks in debugfs dumping

These recursive functions have checks for !clk being passed in, but the
callers are always looping through lists and therefore the pointers
can't be NULL. Drop the checks to simplify the code.

Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190826234729.145593-1-sboyd@kernel.org
4 years agoclk: imx: imx8mn: fix pll mux bit
Peng Fan [Mon, 9 Sep 2019 03:39:50 +0000 (03:39 +0000)]
clk: imx: imx8mn: fix pll mux bit

pll BYPASS bit should be kept inside pll driver for glitchless freq
setting following spec. If exposing the bit, that means pll driver and
clk driver has two paths to touch this bit, which is wrong.

So use EXT_BYPASS bit here.

And drop uneeded set parent, because EXT_BYPASS default is 0.

Suggested-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-5-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: imx: imx8mm: fix pll mux bit
Peng Fan [Mon, 9 Sep 2019 03:39:44 +0000 (03:39 +0000)]
clk: imx: imx8mm: fix pll mux bit

pll BYPASS bit should be kept inside pll driver for glitchless freq
setting following spec. If exposing the bit, that means pll driver and
clk driver has two paths to touch this bit, which is wrong.

So use EXT_BYPASS bit here.

And drop uneeded set parent, because EXT_BYPASS default is 0.

Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Suggested-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-4-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: imx: clk-pll14xx: unbypass PLL by default
Peng Fan [Mon, 9 Sep 2019 03:39:39 +0000 (03:39 +0000)]
clk: imx: clk-pll14xx: unbypass PLL by default

When registering the PLL, unbypass the PLL.
The PLL has two bypass control bit, BYPASS and EXT_BYPASS.
we will expose EXT_BYPASS to clk driver for mux usage, and keep
BYPASS inside pll14xx usage. The PLL has a restriction that
when M/P change, need to RESET/BYPASS pll to avoid glitch, so
we could not expose BYPASS.

To make it easy for clk driver usage, unbypass PLL which does
not hurt current function.

Fixes: 8646d4dcc7fb ("clk: imx: Add PLLs driver for imx8mm soc")
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-3-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: imx: pll14xx: avoid glitch when set rate
Peng Fan [Mon, 9 Sep 2019 03:39:34 +0000 (03:39 +0000)]
clk: imx: pll14xx: avoid glitch when set rate

According to PLL1443XA and PLL1416X spec,
"When BYPASS is 0 and RESETB is changed from 0 to 1, FOUT starts to
output unstable clock until lock time passes. PLL1416X/PLL1443XA may
generate a glitch at FOUT."

So set BYPASS when RESETB is changed from 0 to 1 to avoid glitch.
In the end of set rate, BYPASS will be cleared.

When prepare clock, also need to take care to avoid glitch. So
we also follow Spec to set BYPASS before RESETB changed from 0 to 1.
And add a check if the RESETB is already 0, directly return 0;

Fixes: 8646d4dcc7fb ("clk: imx: Add PLLs driver for imx8mm soc")
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lkml.kernel.org/r/1568043491-20680-2-git-send-email-peng.fan@nxp.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mvebu: ap80x: add AP807 clock support
Ben Peled [Mon, 5 Aug 2019 10:03:10 +0000 (12:03 +0200)]
clk: mvebu: ap80x: add AP807 clock support

Add driver support for AP807 clock.

Signed-off-by: Ben Peled <bpeled@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-9-miquel.raynal@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mvebu: ap806: Prepare the introduction of AP807 clock support
Ben Peled [Mon, 5 Aug 2019 10:03:09 +0000 (12:03 +0200)]
clk: mvebu: ap806: Prepare the introduction of AP807 clock support

Factor out the code that is only useful to AP806 so it will be easier
to support AP807. No functional changes.

Signed-off-by: Ben Peled <bpeled@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-8-miquel.raynal@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver
Omri Itach [Mon, 5 Aug 2019 10:03:08 +0000 (12:03 +0200)]
clk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver

Add dynamic AP-DCLK clock (hclk) to system controller driver. AP-DCLK
is half the rate of DDR clock, so its derrived from Sample At Reset
configuration. The clock frequency is required for AP806 AXI monitor
profiling feature.

Signed-off-by: Omri Itach <omrii@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-7-miquel.raynal@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mvebu: ap806: be more explicit on what SaR is
Miquel Raynal [Mon, 5 Aug 2019 10:03:07 +0000 (12:03 +0200)]
clk: mvebu: ap806: be more explicit on what SaR is

"SaR" means Sample at Reset. DIP switches can be changed on the board,
their states at reset time is available through a register read.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-6-miquel.raynal@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mvebu: ap80x-cpu: add AP807 CPU clock support
Ben Peled [Mon, 5 Aug 2019 10:03:06 +0000 (12:03 +0200)]
clk: mvebu: ap80x-cpu: add AP807 CPU clock support

Enhance the ap-cpu-clk driver to support both AP806 and AP807 CPU
clocks.

Signed-off-by: Ben Peled <bpeled@marvell.com>
[<miquel.raynal@bootlin.com>: use device data instead of conditions on
the compatible]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-5-miquel.raynal@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock
Christine Gharzuzi [Mon, 5 Aug 2019 10:03:05 +0000 (12:03 +0200)]
clk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock

This patch allows same flow to be executed on chips with different
register mappings like AP806 and, in the future, AP807.

Note: this patch has no functional effect, and only prepares the
driver for additional chips to be supported by retrieving the right
device data depenging on the compatible property.

Signed-off-by: Christine Gharzuzi <chrisg@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-4-miquel.raynal@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: ap806: Document AP807 clock compatible
Miquel Raynal [Mon, 5 Aug 2019 10:03:04 +0000 (12:03 +0200)]
dt-bindings: ap806: Document AP807 clock compatible

Add AP807 clock compatible to the bindings.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-3-miquel.raynal@bootlin.com
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: ap80x: Document AP807 CPU clock compatible
Miquel Raynal [Mon, 5 Aug 2019 10:03:03 +0000 (12:03 +0200)]
dt-bindings: ap80x: Document AP807 CPU clock compatible

Add AP807 CPU clock compatible to the bindings.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lkml.kernel.org/r/20190805100310.29048-2-miquel.raynal@bootlin.com
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: actions: Fix factor clk struct member access
Manivannan Sadhasivam [Mon, 16 Sep 2019 15:45:40 +0000 (21:15 +0530)]
clk: actions: Fix factor clk struct member access

Since the helper "owl_factor_helper_round_rate" is shared between factor
and composite clocks, using the factor clk specific helper function
like "hw_to_owl_factor" to access its members will create issues when
called from composite clk specific code. Hence, pass the "factor_hw"
struct pointer directly instead of fetching it using factor clk specific
helpers.

This issue has been observed when a composite clock like "sd0_clk" tried
to call "owl_factor_helper_round_rate" resulting in pointer dereferencing
error.

While we are at it, let's rename the "clk_val_best" function to
"owl_clk_val_best" since this is an owl SoCs specific helper.

Fixes: 4bb78fc9744a ("clk: actions: Add factor clock support")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190916154546.24982-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: rcg: Return failure for RCG update
Taniya Das [Wed, 8 May 2019 18:24:53 +0000 (23:54 +0530)]
clk: qcom: rcg: Return failure for RCG update

In case of update config failure, return -EBUSY, so that consumers could
handle the failure gracefully.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/1557339895-21952-2-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: remove extra ---help--- tags in Kconfig
Lubomir Rintel [Thu, 22 Aug 2019 09:31:26 +0000 (11:31 +0200)]
clk: remove extra ---help--- tags in Kconfig

Sometimes an extraneous "---help---" follows "help". That is probably a
copy&paste error stemming from their inconsistent use. Remove those.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lkml.kernel.org/r/20190822093126.594013-1-lkundrak@v3.sk
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: add include guard to clk-conf.h
Masahiro Yamada [Tue, 20 Aug 2019 03:05:36 +0000 (12:05 +0900)]
clk: add include guard to clk-conf.h

Add a header include guard just in case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Link: https://lkml.kernel.org/r/20190820030536.1181-1-yamada.masahiro@socionext.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: Evict unregistered clks from parent caches
Stephen Boyd [Wed, 28 Aug 2019 18:19:59 +0000 (11:19 -0700)]
clk: Evict unregistered clks from parent caches

We leave a dangling pointer in each clk_core::parents array that has an
unregistered clk as a potential parent when that clk_core pointer is
freed by clk{_hw}_unregister(). It is impossible for the true parent of
a clk to be set with clk_set_parent() once the dangling pointer is left
in the cache because we compare parent pointers in
clk_fetch_parent_index() instead of checking for a matching clk name or
clk_hw pointer.

Before commit ede77858473a ("clk: Remove global clk traversal on fetch
parent index"), we would check clk_hw pointers, which has a higher
chance of being the same between registration and unregistration, but it
can still be allocated and freed by the clk provider. In fact, this has
been a long standing problem since commit da0f0b2c3ad2 ("clk: Correct
lookup logic in clk_fetch_parent_index()") where we stopped trying to
compare clk names and skipped over entries in the cache that weren't
NULL.

There are good (performance) reasons to not do the global tree lookup in
cases where the cache holds dangling pointers to parents that have been
unregistered. Let's take the performance hit on the uncommon
registration path instead. Loop through all the clk_core::parents arrays
when a clk is unregistered and set the entry to NULL when the parent
cache entry and clk being unregistered are the same pointer. This will
fix this problem and avoid the overhead for the "normal" case.

Based on a patch by Bjorn Andersson.

Fixes: da0f0b2c3ad2 ("clk: Correct lookup logic in clk_fetch_parent_index()")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190828181959.204401-1-sboyd@kernel.org
4 years agoclk: mediatek: Runtime PM support for MT8183 mcucfg clock provider
Weiyi Lu [Mon, 2 Sep 2019 09:00:58 +0000 (17:00 +0800)]
clk: mediatek: Runtime PM support for MT8183 mcucfg clock provider

Enable the runtime PM support and forward the struct device pointer for
registration of MT8183 mcucfg clocks.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Link: https://lkml.kernel.org/r/1567414859-3244-3-git-send-email-weiyi.lu@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mediatek: Register clock gate with device
Weiyi Lu [Mon, 2 Sep 2019 09:00:57 +0000 (17:00 +0800)]
clk: mediatek: Register clock gate with device

Allow those clocks under a power domain to do the runtime pm operation
by forwarding the struct device pointer from clock provider.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Link: https://lkml.kernel.org/r/1567414859-3244-2-git-send-email-weiyi.lu@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mediatek: add pericfg clocks for MT8183
Chunfeng Yun [Wed, 28 Aug 2019 08:22:13 +0000 (16:22 +0800)]
clk: mediatek: add pericfg clocks for MT8183

Add pericfg clocks for MT8183, it's used when support USB
remote wakeup

Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lkml.kernel.org/r/1566980533-28282-2-git-send-email-chunfeng.yun@mediatek.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: clock: mediatek: add pericfg for MT8183
Chunfeng Yun [Wed, 28 Aug 2019 08:22:12 +0000 (16:22 +0800)]
dt-bindings: clock: mediatek: add pericfg for MT8183

This patch adds binding of pericfg for MT8183.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lkml.kernel.org/r/1566980533-28282-1-git-send-email-chunfeng.yun@mediatek.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: bcm2835: Mark PLLD_PER as CRITICAL
Stefan Wahren [Sun, 18 Aug 2019 16:23:44 +0000 (18:23 +0200)]
clk: bcm2835: Mark PLLD_PER as CRITICAL

The VPU firmware assume that the PLLD_PER isn't modified by the ARM core.
Otherwise this could cause firmware lookups. So mark the clock as critical
to avoid this.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
4 years agoclk: bcm2835: Add BCM2711_CLOCK_EMMC2 support
Stefan Wahren [Sun, 18 Aug 2019 16:23:43 +0000 (18:23 +0200)]
clk: bcm2835: Add BCM2711_CLOCK_EMMC2 support

The new BCM2711 supports an additional clock for the emmc2 block.
So add a new compatible and register this clock only for BCM2711.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
4 years agoclk: bcm2835: Introduce SoC specific clock registration
Stefan Wahren [Sun, 18 Aug 2019 16:23:42 +0000 (18:23 +0200)]
clk: bcm2835: Introduce SoC specific clock registration

In order to support SoC specific clocks (e.g. emmc2 for BCM2711), we
extend the description with a SoC support flag. This approach avoids long
and mostly redundant lists of clock IDs. Since PLLH is specific to
BCM2835, we register only rest of the clocks as common to all SoC.

Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
4 years agodt-bindings: bcm2835-cprman: Add bcm2711 support
Stefan Wahren [Sun, 18 Aug 2019 16:23:41 +0000 (18:23 +0200)]
dt-bindings: bcm2835-cprman: Add bcm2711 support

The new BCM2711 supports an additional clock for the emmc2 block.
So we need an additional compatible.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
4 years agoclk: mediatek: Add MT6779 clock support
mtk01761 [Mon, 19 Aug 2019 09:21:41 +0000 (17:21 +0800)]
clk: mediatek: Add MT6779 clock support

Add MT6779 clock support, include topckgen, apmixedsys,
infracfg, and subsystem clocks.

Signed-off-by: mtk01761 <wendell.lin@mediatek.com>
Link: https://lkml.kernel.org/r/1566206502-4347-11-git-send-email-mars.cheng@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: mediatek: Add dt-bindings for MT6779 clocks
mtk01761 [Mon, 19 Aug 2019 09:21:40 +0000 (17:21 +0800)]
clk: mediatek: Add dt-bindings for MT6779 clocks

Add MT6779 clock dt-bindings, include topckgen, apmixedsys,
infracfg, and subsystem clocks.

Signed-off-by: mtk01761 <wendell.lin@mediatek.com>
Link: https://lkml.kernel.org/r/1566206502-4347-10-git-send-email-mars.cheng@mediatek.com
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: mediatek: bindings for MT6779 clk
mtk01761 [Mon, 19 Aug 2019 09:21:39 +0000 (17:21 +0800)]
dt-bindings: mediatek: bindings for MT6779 clk

This patch adds the binding documentation for
apmixedsys, audiosys, camsys, imgsys, ipesys,
infracfg, mfgcfg, mmsys, topckgen, vdecsys,
and vencsys for Mediatek MT6779.

Signed-off-by: mtk01761 <wendell.lin@mediatek.com>
Link: https://lkml.kernel.org/r/1566206502-4347-9-git-send-email-mars.cheng@mediatek.com
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: fix QCS404 TuringCC regmap
Jorge Ramirez-Ortiz [Mon, 9 Sep 2019 08:54:30 +0000 (10:54 +0200)]
clk: qcom: fix QCS404 TuringCC regmap

The max register is 0x23004 as per the manual (the current
max_register that this commit is fixing is actually out of bounds).

Fixes: 892df0191b29 ("clk: qcom: Add QCS404 TuringCC")
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Link: https://lkml.kernel.org/r/20190909085430.8700-1-jorge.ramirez-ortiz@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: clk-rpmh: Add support for SM8150
Vinod Koul [Mon, 26 Aug 2019 17:31:20 +0000 (23:01 +0530)]
clk: qcom: clk-rpmh: Add support for SM8150

Add support for rpmh clocks found in SM8150

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lkml.kernel.org/r/20190826173120.2971-5-vkoul@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: clock: Document SM8150 rpmh-clock compatible
Vinod Koul [Mon, 26 Aug 2019 17:31:19 +0000 (23:01 +0530)]
dt-bindings: clock: Document SM8150 rpmh-clock compatible

Document the SM8150 rpmh-clock compatible for rpmh clock controller
found on SM8150 platforms.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lkml.kernel.org/r/20190826173120.2971-4-vkoul@kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: clk-rpmh: Convert to parent data scheme
Vinod Koul [Mon, 26 Aug 2019 17:31:18 +0000 (23:01 +0530)]
clk: qcom: clk-rpmh: Convert to parent data scheme

Convert the rpmh clock driver to use the new parent data scheme by
specifying the parent data for board clock.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lkml.kernel.org/r/20190826173120.2971-3-vkoul@kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: clock: Document the parent clocks
Vinod Koul [Mon, 26 Aug 2019 17:31:17 +0000 (23:01 +0530)]
dt-bindings: clock: Document the parent clocks

With clock parent data scheme we must specify the parent clocks for the
rpmhcc nodes. So describe the parent clock for rpmhcc in the bindings.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lkml.kernel.org/r/20190826173120.2971-2-vkoul@kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: gcc: Use floor ops for SDCC clocks
Taniya Das [Mon, 9 Sep 2019 07:44:10 +0000 (13:14 +0530)]
clk: qcom: gcc: Use floor ops for SDCC clocks

Update global clock controller SDCC2/4 clocks to use the floor rcg ops,
so as to use the rounded down clock rates for these clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/20190909074410.18977-1-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: gcc-qcs404: Use floor ops for sdcc clks
Vinod Koul [Fri, 6 Sep 2019 04:56:59 +0000 (10:26 +0530)]
clk: qcom: gcc-qcs404: Use floor ops for sdcc clks

Update the gcc qcs404 clock driver to use floor ops for sdcc clocks. As
disuccsed in [1] it is good idea to use floor ops for sdcc clocks as we
dont want the clock rates to do round up.

[1]: https://lore.kernel.org/linux-arm-msm/20190830195142.103564-1-swboyd@chromium.org/

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lkml.kernel.org/r/20190906045659.20621-1-vkoul@kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: qcom: gcc-sdm845: Use floor ops for sdcc clks
Stephen Boyd [Fri, 30 Aug 2019 19:51:42 +0000 (12:51 -0700)]
clk: qcom: gcc-sdm845: Use floor ops for sdcc clks

Some MMC cards fail to enumerate properly when inserted into an MMC slot
on sdm845 devices. This is because the clk ops for qcom clks round the
frequency up to the nearest rate instead of down to the nearest rate.
For example, the MMC driver requests a frequency of 52MHz from
clk_set_rate() but the qcom implementation for these clks rounds 52MHz
up to the next supported frequency of 100MHz. The MMC driver could be
modified to request clk rate ranges but for now we can fix this in the
clk driver by changing the rounding policy for this clk to be round down
instead of round up.

Fixes: 06391eddb60a ("clk: qcom: Add Global Clock controller (GCC) driver for SDM845")
Reported-by: Douglas Anderson <dianders@chromium.org>
Cc: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lkml.kernel.org/r/20190830195142.103564-1-swboyd@chromium.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: Add support for AST2600 SoC
Joel Stanley [Sun, 25 Aug 2019 14:18:48 +0000 (23:48 +0930)]
clk: Add support for AST2600 SoC

The ast2600 is a new BMC SoC from ASPEED. It contains many more clocks
than the previous iterations, so support is broken out into it's own
driver.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lkml.kernel.org/r/20190825141848.17346-3-joel@jms.id.au
[sboyd@kernel.org: Mark arrays const]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: aspeed: Move structures to header
Joel Stanley [Sun, 25 Aug 2019 14:18:47 +0000 (23:48 +0930)]
clk: aspeed: Move structures to header

They will be reused by the ast2600 driver.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lkml.kernel.org/r/20190825141848.17346-2-joel@jms.id.au
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk/ti: Use kmemdup rather than duplicating its implementation
Fuqian Huang [Wed, 3 Jul 2019 16:27:00 +0000 (00:27 +0800)]
clk/ti: Use kmemdup rather than duplicating its implementation

kmemdup is introduced to duplicate a region of memory in a neat way.
Rather than kmalloc/kzalloc + memcpy, which the programmer needs to
write the size twice (sometimes lead to mistakes), kmemdup improves
readability, leads to smaller code and also reduce the chances of mistakes.
Suggestion to use kmemdup rather than using kmalloc/kzalloc + memcpy.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Link: https://lkml.kernel.org/r/20190703162700.32091-1-huangfq.daxian@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: clk-cdce925: Add regulator support
Phil Reid [Fri, 28 Jun 2019 03:19:10 +0000 (11:19 +0800)]
clk: clk-cdce925: Add regulator support

The cdce925 power supplies could be controllable on some platforms.
Enable them before communicating with the cdce925.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Link: https://lkml.kernel.org/r/1561691950-42154-3-git-send-email-preid@electromag.com.au
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agodt-bindings: clock: cdce925: Add regulator documentation
Phil Reid [Fri, 28 Jun 2019 03:19:09 +0000 (11:19 +0800)]
dt-bindings: clock: cdce925: Add regulator documentation

The cdce925 has two separate supply pins. Document the bindings
for them.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Link: https://lkml.kernel.org/r/1561691950-42154-2-git-send-email-preid@electromag.com.au
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: fix devm_platform_ioremap_resource.cocci warnings
kbuild test robot [Thu, 8 Aug 2019 16:10:53 +0000 (18:10 +0200)]
clk: fix devm_platform_ioremap_resource.cocci warnings

drivers/clk/bcm/clk-bcm63xx-gate.c:174:1-9: WARNING: Use devm_platform_ioremap_resource for hw -> regs

 Use devm_platform_ioremap_resource helper which wraps
 platform_get_resource() and devm_ioremap_resource() together.

Generated by: scripts/coccinelle/api/devm_platform_ioremap_resource.cocci

Fixes: 1c099779c1e2 ("clk: add BCM63XX gated clock controller driver")
CC: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1908081809160.2995@hadrien
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: spear: Make structure i2s_sclk_masks constant
Nishka Dasgupta [Tue, 13 Aug 2019 08:57:14 +0000 (14:27 +0530)]
clk: spear: Make structure i2s_sclk_masks constant

Static structure i2s_sclk_masks, having type aux_clk_masks, is only used
when it is passed as the sixth argument to function clk_register_aux().
However, clk_register_aux() is defined with its sixth argument as const.
Hence i2s_sclk_masks is not modified by clk_register_aux, which is also
the only usage of the former. Therefore make i2s_sclk_masks constant as
it is never modified.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Link: https://lkml.kernel.org/r/20190813085714.8079-1-nishkadg.linux@gmail.com
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: st: clkgen-pll: remove unused variable 'st_pll3200c32_407_a0'
YueHaibing [Fri, 16 Aug 2019 13:55:23 +0000 (21:55 +0800)]
clk: st: clkgen-pll: remove unused variable 'st_pll3200c32_407_a0'

drivers/clk/st/clkgen-pll.c:64:37: warning:
 st_pll3200c32_407_a0 defined but not used [-Wunused-const-variable=]

It is never used, so can be removed.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lkml.kernel.org/r/20190816135523.73520-1-yuehaibing@huawei.com
Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: st: clkgen-fsyn: remove unused variable 'st_quadfs_fs660c32_ops'
YueHaibing [Fri, 16 Aug 2019 13:53:41 +0000 (21:53 +0800)]
clk: st: clkgen-fsyn: remove unused variable 'st_quadfs_fs660c32_ops'

drivers/clk/st/clkgen-fsyn.c:70:29: warning:
 st_quadfs_fs660c32_ops defined but not used [-Wunused-const-variable=]

It is never used, so can be removed.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lkml.kernel.org/r/20190816135341.52248-1-yuehaibing@huawei.com
Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: Document of_parse_clkspec() some more
Stephen Boyd [Mon, 26 Aug 2019 21:20:42 +0000 (14:20 -0700)]
clk: Document of_parse_clkspec() some more

The return value of of_parse_clkspec() is peculiar. If the function is
called with a NULL argument for 'name' it will return -ENOENT, but if
it's called with a non-NULL argument for 'name' it will return -EINVAL.
This peculiarity is documented by commit 5c56dfe63b6e ("clk: Add comment
about __of_clk_get_by_name() error values").

Let's further document this function so that it's clear what the return
value is and how to use the arguments to parse clk specifiers.

Cc: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190826212042.48642-1-sboyd@kernel.org
Reviewed-by: Phil Edworthy <phil.edworthy@renesas.com>
4 years agoMerge tag 'v5.4-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind...
Stephen Boyd [Thu, 5 Sep 2019 18:40:11 +0000 (11:40 -0700)]
Merge tag 'v5.4-rockchip-clk1' of git://git./linux/kernel/git/mmind/linux-rockchip into clk-rockchip

Pull Rockchip clk driver updates from Heiko Stuebner:

 - Removal of an unused variable vom rv1108
 - Addition of clock driver for rk3308 arm64 soc

* tag 'v5.4-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  clk: rockchip: Add clock controller for the rk3308
  clk: rockchip: Add dt-binding header for rk3308
  dt-bindings: Add bindings for rk3308 clock controller
  clk: rockchip: Fix -Wunused-const-variable in rv1108 clk driver

4 years agoclk: rockchip: Add clock controller for the rk3308
Finley Xiao [Tue, 3 Sep 2019 11:59:47 +0000 (19:59 +0800)]
clk: rockchip: Add clock controller for the rk3308

Add the clock tree definition for the new RK3308 SoC.

Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
4 years agoclk: rockchip: Add dt-binding header for rk3308
Finley Xiao [Tue, 3 Sep 2019 11:59:46 +0000 (19:59 +0800)]
clk: rockchip: Add dt-binding header for rk3308

Add the dt-bindings header for the rk3308, that gets shared between
the clock controller and the clock references in the dts.

Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
4 years agodt-bindings: Add bindings for rk3308 clock controller
Finley Xiao [Tue, 3 Sep 2019 11:59:45 +0000 (19:59 +0800)]
dt-bindings: Add bindings for rk3308 clock controller

Add devicetree bindings for Rockchip cru which found on
Rockchip SoCs.

Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
4 years agoMerge tag 'clk-renesas-for-v5.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel...
Stephen Boyd [Wed, 4 Sep 2019 18:21:19 +0000 (11:21 -0700)]
Merge tag 'clk-renesas-for-v5.4-tag1' of git://git./linux/kernel/git/geert/renesas-drivers into clk-renesas

Pull Renesas clk driver updates from Geert Uytterhoeven:

  - Fix "always-on" Clock Domains on R-Car M1A, RZ/A1, RZ/A2, and RZ/N1

* tag 'clk-renesas-for-v5.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
  clk: renesas: cpg-mssr: Set GENPD_FLAG_ALWAYS_ON for clock domain
  clk: renesas: r9a06g032: Set GENPD_FLAG_ALWAYS_ON for clock domain
  clk: renesas: mstp: Set GENPD_FLAG_ALWAYS_ON for clock domain
  dt-bindings: clk: emev2: Rename bindings documentation file
  clk: renesas: rcar-usb2-clock-sel: Use devm_platform_ioremap_resource() helper

4 years agoMerge tag 'sunxi-clk-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel/git...
Stephen Boyd [Wed, 4 Sep 2019 18:14:51 +0000 (11:14 -0700)]
Merge tag 'sunxi-clk-for-5.4-1' of https://git./linux/kernel/git/sunxi/linux into clk-allwinner

Pull Allwinner clock changes from Maxime Ripard:

A few patches to enable the V3 SoC and fix the i2s clock for the H6.

* tag 'sunxi-clk-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  clk: sunxi-ng: h6: Allow I2S to change parent rate
  clk: sunxi-ng: v3s: add Allwinner V3 support
  clk: sunxi-ng: v3s: add missing clock slices for MMC2 module clocks
  dt-bindings: clk: sunxi-ccu: add compatible string for V3 CCU
  clk: sunxi-ng: v3s: add the missing PLL_DDR1

4 years agoMerge tag 'clk-imx-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...
Stephen Boyd [Wed, 4 Sep 2019 18:00:15 +0000 (11:00 -0700)]
Merge tag 'clk-imx-5.4' of git://git./linux/kernel/git/shawnguo/linux into clk-imx

Pull i.MX clock changes from Shawn Guo:

 - Add clock driver for i.MX8MN SoC
 - Switch i.MX8MM clock driver to platform driver
 - Add API for clk unregister when driver probe fail
 - Add Hifi4 DSP related clocks for i.MX8QXP SoC
 - Fix Audio PLL setting and parent clock for USB
 - Misc i.MX8 clock driver improvements and corrections

* tag 'clk-imx-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (28 commits)
  clk: imx: imx8mn: fix audio pll setting
  clk: imx8mn: Add necessary frequency support for ARM PLL table
  clk: imx8mn: Add missing rate_count assignment for each PLL structure
  clk: imx8mn: fix int pll clk gate
  clk: imx8mn: Add GIC clock
  clk: imx8mn: Fix incorrect parents
  clk: imx8mm: Fix incorrect parents
  clk: imx8mq: Fix sys3 pll references
  clk: imx8mq: Unregister clks when of_clk_add_provider failed
  clk: imx8mm: Unregister clks when of_clk_add_provider failed
  clk: imx8mq: Mark AHB clock as critical
  clk: imx8mn: Keep uart clocks on for early console
  clk: imx: Remove unused function statement
  clk: imx7ulp: Make sure earlycon's clock is enabled
  clk: imx8mm: Switch to platform driver
  clk: imx: imx8mm: fix audio pll setting
  clk: imx8mm: GPT1 clock mux option #5 should be sys_pll1_80m
  clk: imx8mm: Fix typo of pwm3 clock's mux option #4
  clk: imx: Remove unused clk based API
  clk: imx8mq: set correct parent for usb ctrl clocks
  ...

4 years agoMerge tag 'clk-meson-v5.4-2' of https://github.com/BayLibre/clk-meson into clk-meson
Stephen Boyd [Wed, 4 Sep 2019 17:53:34 +0000 (10:53 -0700)]
Merge tag 'clk-meson-v5.4-2' of https://github.com/BayLibre/clk-meson into clk-meson

Pull second set of Amlogic clk driver updates from Jerome Brunet:

 - Add g12a reset support to the axg audio clock controller
 - Add sm1 support to the g12a clock controller

* tag 'clk-meson-v5.4-2' of https://github.com/BayLibre/clk-meson:
  clk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks
  clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock
  clk: meson: g12a: add support for SM1 GP1 PLL
  dt-bindings: clk: meson: add sm1 periph clock controller bindings
  clk: meson: axg-audio: add g12a reset support
  dt-bindings: clock: meson: add resets to the audio clock controller

4 years agoclk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks
Neil Armstrong [Mon, 26 Aug 2019 07:25:38 +0000 (09:25 +0200)]
clk: meson: g12a: add support for SM1 CPU 1, 2 & 3 clocks

The Amlogic SM1 can set a dedicated clock frequency for each CPU core by
having a dedicate tree for each core similar to the CPU0 tree.
Like the DSU tree, a supplementaty mux has been added to use the CPU0
frequency instead.

But since the cluster only has a single power rail and shares a single PLL,
it's not worth adding 3 unsused clock tree, so we add only the mux to
select the CPU0 clock frequency for each CPU1, CPU2 and CPU3 cores.

They are set read-only because the early boot stages sets them to select
the CPU0 input clock.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
4 years agoclk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock
Neil Armstrong [Mon, 26 Aug 2019 07:25:37 +0000 (09:25 +0200)]
clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock

The Amlogic SM1 DynamIQ Shared Unit has a dedicated clock tree similar to
the CPU clock tree with a supplementaty mux to select the CPU0 clock
instead.

Leave this as read-only since it's set up by the early boot stages.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
4 years agoclk: meson: g12a: add support for SM1 GP1 PLL
Neil Armstrong [Mon, 26 Aug 2019 07:25:36 +0000 (09:25 +0200)]
clk: meson: g12a: add support for SM1 GP1 PLL

Add the new GP1 PLL for the Amlogic SM1 SoC, used to feed the new
DynamIQ Shared Unit of the ARM Cores Complex.

This also adds a dedicated set of clock and compatible for SM1.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
4 years agoMerge branch 'v5.4/dt' into v5.4/drivers
Jerome Brunet [Mon, 26 Aug 2019 09:01:20 +0000 (11:01 +0200)]
Merge branch 'v5.4/dt' into v5.4/drivers

4 years agodt-bindings: clk: meson: add sm1 periph clock controller bindings
Neil Armstrong [Mon, 26 Aug 2019 07:25:35 +0000 (09:25 +0200)]
dt-bindings: clk: meson: add sm1 periph clock controller bindings

Update the documentation to support clock driver for the Amlogic SM1 SoC
and expose the GP1, DSU and the CPU 1, 2 & 3 clocks.

SM1 clock tree is very close, the main differences are :
- each CPU core can achieve a different frequency, albeit a common PLL
- a similar tree as the clock tree has been added for the DynamIQ Shared
  Unit
- has a new GP1 PLL used for the DynamIQ Shared Unit
- SM1 has additional clocks like for CSI, NanoQ an other components

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
4 years agoclk: imx: imx8mn: fix audio pll setting
Peng Fan [Tue, 20 Aug 2019 01:55:07 +0000 (01:55 +0000)]
clk: imx: imx8mn: fix audio pll setting

The AUDIO PLL max support 650M, so the original clk settings violate
spec. This patch makes the output 786432000 -> 393216000,
and 722534400 -> 361267200 to aligned with NXP vendor kernel without any
impact on audio functionality and go within 650MHz PLL limit.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: renesas: cpg-mssr: Set GENPD_FLAG_ALWAYS_ON for clock domain
Geert Uytterhoeven [Fri, 9 Aug 2019 13:44:51 +0000 (15:44 +0200)]
clk: renesas: cpg-mssr: Set GENPD_FLAG_ALWAYS_ON for clock domain

The CPG/MSSR Clock Domain driver does not implement the
generic_pm_domain.power_{on,off}() callbacks, as the domain itself
cannot be powered down.  Hence the domain should be marked as always-on
by setting the GENPD_FLAG_ALWAYS_ON flag, to prevent the core PM Domain
code from considering it for power-off, and doing unnessary processing.

Note that this only affects RZ/A2 SoCs.  On R-Car Gen2 and Gen3 SoCs,
the R-Car SYSC driver handles Clock Domain creation, and offloads only
device attachment/detachment to the CPG/MSSR driver.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
4 years agoclk: renesas: r9a06g032: Set GENPD_FLAG_ALWAYS_ON for clock domain
Geert Uytterhoeven [Fri, 9 Aug 2019 13:43:07 +0000 (15:43 +0200)]
clk: renesas: r9a06g032: Set GENPD_FLAG_ALWAYS_ON for clock domain

The RZ/N1 Clock Domain driver does not implement the
generic_pm_domain.power_{on,off}() callbacks, as the domain itself
cannot be powered down.  Hence the domain should be marked as always-on
by setting the GENPD_FLAG_ALWAYS_ON flag, to prevent the core PM Domain
code from considering it for power-off, and doing unnessary processing.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
4 years agoclk: renesas: mstp: Set GENPD_FLAG_ALWAYS_ON for clock domain
Geert Uytterhoeven [Fri, 9 Aug 2019 13:38:34 +0000 (15:38 +0200)]
clk: renesas: mstp: Set GENPD_FLAG_ALWAYS_ON for clock domain

The CPG/MSTP Clock Domain driver does not implement the
generic_pm_domain.power_{on,off}() callbacks, as the domain itself
cannot be powered down.  Hence the domain should be marked as always-on
by setting the GENPD_FLAG_ALWAYS_ON flag, to prevent the core PM Domain
code from considering it for power-off, and doing unnessary processing.

This also gets rid of a boot warning when the Clock Domain contains an
IRQ-safe device, e.g. on RZ/A1:

    sh_mtu2 fcff0000.timer: PM domain cpg_clocks will not be powered off

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
4 years agodt-bindings: clk: emev2: Rename bindings documentation file
Simon Horman [Wed, 21 Aug 2019 09:15:16 +0000 (11:15 +0200)]
dt-bindings: clk: emev2: Rename bindings documentation file

Rename the device tree clock bindings for Renesas EMMA Mobile EV2
from emev2-clock.txt to renesas,emev2-smu.txt.

This is part of an ongoing effort to name bindings documentation files for
Renesas IP blocks consistently, in line with the compat strings they
document.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
4 years agoclk: sunxi-ng: h6: Allow I2S to change parent rate
Jernej Skrabec [Wed, 14 Aug 2019 06:08:48 +0000 (08:08 +0200)]
clk: sunxi-ng: h6: Allow I2S to change parent rate

I2S doesn't work if parent rate couldn't be change. Difference between
wanted and actual rate is too big.

Fix this by adding CLK_SET_RATE_PARENT flag to I2S clocks.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
4 years agoclk: meson: axg-audio: add g12a reset support
Jerome Brunet [Mon, 12 Aug 2019 12:32:53 +0000 (14:32 +0200)]
clk: meson: axg-audio: add g12a reset support

On the g12a, the register space dedicated to the audio clock also
provides some resets. Let the clock controller register a reset
provider as well for this SoC family.

the axg SoC family does not appear to provide this feature.

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
4 years agoMerge branch 'v5.4/dt' into v5.4/drivers
Jerome Brunet [Tue, 20 Aug 2019 09:50:54 +0000 (11:50 +0200)]
Merge branch 'v5.4/dt' into v5.4/drivers

4 years agodt-bindings: clock: meson: add resets to the audio clock controller
Jerome Brunet [Mon, 12 Aug 2019 12:32:52 +0000 (14:32 +0200)]
dt-bindings: clock: meson: add resets to the audio clock controller

Add the documentation and bindings for the resets provided by the g12a
audio clock controller

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
4 years agoclk: imx8mn: Add necessary frequency support for ARM PLL table
Anson Huang [Sun, 18 Aug 2019 06:32:24 +0000 (02:32 -0400)]
clk: imx8mn: Add necessary frequency support for ARM PLL table

i.MX8MN supports CPU running at 1.5GHz/1.4GHz/1.2GHz, add missing
frequency for ARM PLL table.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: imx8mn: Add missing rate_count assignment for each PLL structure
Anson Huang [Sun, 18 Aug 2019 06:32:23 +0000 (02:32 -0400)]
clk: imx8mn: Add missing rate_count assignment for each PLL structure

Add .rate_count assignment which is necessary for searching required
PLL rate from the each PLL table.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: imx8mn: fix int pll clk gate
Peng Fan [Wed, 14 Aug 2019 01:53:12 +0000 (09:53 +0800)]
clk: imx8mn: fix int pll clk gate

To Frac pll, the gate shift is 13, however to Int PLL the gate shift
is 11.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: imx8mn: Add GIC clock
Leonard Crestez [Tue, 13 Aug 2019 17:05:31 +0000 (20:05 +0300)]
clk: imx8mn: Add GIC clock

This is enabled by default but if it's not explicitly defined and marked
as critical then its parent might get turned off.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: imx8mn: Fix incorrect parents
Leonard Crestez [Tue, 13 Aug 2019 17:05:30 +0000 (20:05 +0300)]
clk: imx8mn: Fix incorrect parents

* Replace to audio_pll2_clk with audio_pll2_out
* Replace sys3_pll2_out with sys_pll3_out
* Replace sys1_pll_40m with sys_pll1_40m
* qspi parent[2] is sys_pll2_333m not sys_pll1_800m

Fixes: 96d6392b54db ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: imx8mm: Fix incorrect parents
Leonard Crestez [Tue, 13 Aug 2019 17:05:29 +0000 (20:05 +0300)]
clk: imx8mm: Fix incorrect parents

* There is no video_pll2 on imx8mm, replace with dummy
* Replace reference to sys_pll3_clk with sys_pll3_out
* qspi parent[2] is sys_pll2_333m not sys_pll1_800m

Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: imx8mq: Fix sys3 pll references
Leonard Crestez [Tue, 13 Aug 2019 17:05:28 +0000 (20:05 +0300)]
clk: imx8mq: Fix sys3 pll references

The "sys3_pll2_out" CLK was removed in refactoring so all references
need to be updated to "sys3_pll_out"

Fixes: e9dda4af685f ("clk: imx: Refactor entire sccg pll clk")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
4 years agoclk: Remove extraneous 'for' word in comments
Rishi Gupta [Sat, 17 Aug 2019 06:35:59 +0000 (12:05 +0530)]
clk: Remove extraneous 'for' word in comments

An extra 'for' word is grammatically incorrect in the comment
'verifying ops for multi-parent clks'. This commit removes
this extra for word.

Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Link: https://lkml.kernel.org/r/1566023759-7880-1-git-send-email-gupt21@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: composite: Drop unused clk.h include
Stephen Boyd [Thu, 15 Aug 2019 04:25:00 +0000 (21:25 -0700)]
clk: composite: Drop unused clk.h include

This include isn't used. Drop it.

Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815042500.9519-1-sboyd@kernel.org
4 years agoclk: Overwrite clk_hw::init with NULL during clk_register()
Stephen Boyd [Wed, 31 Jul 2019 19:35:17 +0000 (12:35 -0700)]
clk: Overwrite clk_hw::init with NULL during clk_register()

We don't want clk provider drivers to use the init structure after clk
registration time, but we leave a dangling reference to it by means of
clk_hw::init. Let's overwrite the member with NULL during clk_register()
so that this can't be used anymore after registration time.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Doug Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-10-sboyd@kernel.org
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
4 years agoclk: sunxi: Don't call clk_hw_get_name() on a hw that isn't registered
Stephen Boyd [Thu, 15 Aug 2019 04:10:37 +0000 (21:10 -0700)]
clk: sunxi: Don't call clk_hw_get_name() on a hw that isn't registered

The implementation of clk_hw_get_name() relies on the clk_core
associated with the clk_hw pointer existing. If of_clk_hw_register()
fails, there isn't a clk_core created yet, so calling clk_hw_get_name()
here fails. Extract the name first so we can print it later.

Fixes: 1d80c14248d6 ("clk: sunxi-ng: Add common infrastructure")
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
4 years agoclk: ti: Don't reference clk_init_data after registration
Stephen Boyd [Thu, 15 Aug 2019 22:12:49 +0000 (15:12 -0700)]
clk: ti: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815221249.53235-1-sboyd@kernel.org
4 years agoclk: qcom: Remove error prints from DFS registration
Stephen Boyd [Thu, 15 Aug 2019 16:00:20 +0000 (09:00 -0700)]
clk: qcom: Remove error prints from DFS registration

These aren't useful and they reference the init structure name. Let's
just drop them.

Cc: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-5-sboyd@kernel.org
Acked-by: Taniya Das <tdas@codeaurora.org>
4 years agortc: sun6i: Don't reference clk_init_data after registration
Stephen Boyd [Thu, 15 Aug 2019 16:00:19 +0000 (09:00 -0700)]
rtc: sun6i: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-4-sboyd@kernel.org
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
4 years agoclk: zx296718: Don't reference clk_init_data after registration
Stephen Boyd [Thu, 15 Aug 2019 16:00:18 +0000 (09:00 -0700)]
clk: zx296718: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-3-sboyd@kernel.org
4 years agoclk: milbeaut: Don't reference clk_init_data after registration
Stephen Boyd [Thu, 15 Aug 2019 16:00:17 +0000 (09:00 -0700)]
clk: milbeaut: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190815160020.183334-2-sboyd@kernel.org
4 years agoclk: socfpga: deindent code to proper indentation
Stephen Boyd [Wed, 14 Aug 2019 00:24:02 +0000 (17:24 -0700)]
clk: socfpga: deindent code to proper indentation

This code is indented oddly, causing checkpatch to complain. Indent it
properly.

Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190814002402.18154-1-sboyd@kernel.org
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
4 years agophy: ti: am654-serdes: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:16 +0000 (12:35 -0700)]
phy: ti: am654-serdes: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Roger Quadros <rogerq@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-9-sboyd@kernel.org
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
4 years agoclk: sprd: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:15 +0000 (12:35 -0700)]
clk: sprd: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Chunyan Zhang <zhang.chunyan@linaro.org>
Cc: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-8-sboyd@kernel.org
Acked-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Chunyan Zhang <zhang.chunyan@linaro.org>
4 years agoclk: socfpga: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:14 +0000 (12:35 -0700)]
clk: socfpga: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-7-sboyd@kernel.org
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
4 years agoclk: sirf: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:13 +0000 (12:35 -0700)]
clk: sirf: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Guo Zeng <Guo.Zeng@csr.com>
Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-6-sboyd@kernel.org
4 years agoclk: qcom: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:12 +0000 (12:35 -0700)]
clk: qcom: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Taniya Das <tdas@codeaurora.org>
Cc: Andy Gross <agross@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-5-sboyd@kernel.org
Acked-by: Taniya Das <tdas@codeaurora.org>
4 years agoclk: meson: axg-audio: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:11 +0000 (12:35 -0700)]
clk: meson: axg-audio: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-4-sboyd@kernel.org
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
4 years agoclk: lochnagar: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:10 +0000 (12:35 -0700)]
clk: lochnagar: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-3-sboyd@kernel.org
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
4 years agoclk: actions: Don't reference clk_init_data after registration
Stephen Boyd [Wed, 31 Jul 2019 19:35:09 +0000 (12:35 -0700)]
clk: actions: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-2-sboyd@kernel.org
[sboyd@kernel.org: Move name to after checking for error or NULL hw]
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
4 years agoMerge tag 'clk-meson-v5.4-1' of https://github.com/BayLibre/clk-meson into clk-meson
Stephen Boyd [Wed, 14 Aug 2019 16:45:43 +0000 (09:45 -0700)]
Merge tag 'clk-meson-v5.4-1' of https://github.com/BayLibre/clk-meson into clk-meson

Pull Amlogic clock changes from Jerome Brunet:

 - Migrate to new clock description method
 - Add DVFS support to g12

* tag 'clk-meson-v5.4-1' of https://github.com/BayLibre/clk-meson:
  clk: meson: g12a: expose CPUB clock ID for G12B
  clk: meson: g12a: add notifiers to handle cpu clock change
  clk: meson: add g12a cpu dynamic divider driver
  clk: core: introduce clk_hw_set_parent()
  clk: meson: remove clk input helper
  clk: meson: remove ee input bypass clocks
  clk: meson: clk-regmap: migrate to new parent description method
  clk: meson: meson8b: migrate to the new parent description method
  clk: meson: axg: migrate to the new parent description method
  clk: meson: gxbb: migrate to the new parent description method
  clk: meson: g12a: migrate to the new parent description method
  clk: meson: remove ao input bypass clocks
  clk: meson: axg-aoclk: migrate to the new parent description method
  clk: meson: gxbb-aoclk: migrate to the new parent description method
  clk: meson: g12a-aoclk: migrate to the new parent description method
  clk: meson: axg-audio: migrate to the new parent description method
  clk: meson: g12a: fix hifi typo in mali parent_names