clk: imx: add configuration option for mmio clks

The patch introduces CONFIG_MXC_CLK option for legacy MMIO clocks,
this is required to compile legacy MMIO clock conditionally when adding
SCU based clocks for MX8 platforms later.

Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 81cdb4e..1dbfcc2 100644 (file)
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -287,6 +287,7 @@ source "drivers/clk/actions/Kconfig"
 source "drivers/clk/bcm/Kconfig"
 source "drivers/clk/hisilicon/Kconfig"
 source "drivers/clk/imgtec/Kconfig"
+source "drivers/clk/imx/Kconfig"
 source "drivers/clk/ingenic/Kconfig"
 source "drivers/clk/keystone/Kconfig"
 source "drivers/clk/mediatek/Kconfig"

diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 72be7a3..2aded27 100644 (file)
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -71,7 +71,7 @@ obj-$(CONFIG_ARCH_DAVINCI)            += davinci/
 obj-$(CONFIG_H8300)                    += h8300/
 obj-$(CONFIG_ARCH_HISI)                        += hisilicon/
 obj-y                                  += imgtec/
-obj-$(CONFIG_ARCH_MXC)                 += imx/
+obj-y                                  += imx/
 obj-y                                  += ingenic/
 obj-$(CONFIG_ARCH_K3)                  += keystone/
 obj-$(CONFIG_ARCH_KEYSTONE)            += keystone/

diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
new file mode 100644 (file)
index 0000000..bdd85b8
--- /dev/null
+++ b/drivers/clk/imx/Kconfig
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+# common clock support for NXP i.MX SoC family.
+config MXC_CLK
+       bool
+       def_bool ARCH_MXC

diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 8c3baa7..d447f8c 100644 (file)
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-obj-y += \
+obj-$(CONFIG_MXC_CLK) += \
        clk.o \
        clk-busy.o \
        clk-cpu.o \