clk: qcom: ipq4019: Add the nodes for pcnoc

The current ipq4019 clock driver does not have the node for
PCNOC so this patch adds and registers the PCNOC clock nodes.
This PCNOC clock is critical and should not be turned off so
setting CRITICAL flag also.

Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c
index e418fb6..f4780c0 100644 (file)
--- a/drivers/clk/qcom/gcc-ipq4019.c
+++ b/drivers/clk/qcom/gcc-ipq4019.c
@@ -1520,6 +1520,43 @@ static struct clk_fepll gcc_fepllwcss5g_clk = {
        .pll_vco = &gcc_fepll_vco,
 };
 
+static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = {
+       F(48000000,  P_XO,       1, 0, 0),
+       F(100000000, P_FEPLL200, 2, 0, 0),
+       { }
+};
+
+static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = {
+       .cmd_rcgr = 0x21024,
+       .hid_width = 5,
+       .parent_map = gcc_xo_200_500_map,
+       .freq_tbl = ftbl_gcc_pcnoc_ahb_clk,
+       .clkr.hw.init = &(struct clk_init_data){
+               .name = "gcc_pcnoc_ahb_clk_src",
+               .parent_names = gcc_xo_200_500,
+               .num_parents = 3,
+               .ops = &clk_rcg2_ops,
+       },
+};
+
+static struct clk_branch pcnoc_clk_src = {
+       .halt_reg = 0x21030,
+       .clkr = {
+               .enable_reg = 0x21030,
+               .enable_mask = BIT(0),
+               .hw.init = &(struct clk_init_data){
+                       .name = "pcnoc_clk_src",
+                       .parent_names = (const char *[]){
+                               "gcc_pcnoc_ahb_clk_src",
+                       },
+                       .num_parents = 1,
+                       .ops = &clk_branch2_ops,
+                       .flags = CLK_SET_RATE_PARENT |
+                               CLK_IS_CRITICAL,
+               },
+       },
+};
+
 static struct clk_regmap *gcc_ipq4019_clocks[] = {
        [AUDIO_CLK_SRC] = &audio_clk_src.clkr,
        [BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,
@@ -1588,6 +1625,8 @@ static struct clk_regmap *gcc_ipq4019_clocks[] = {
        [GCC_FEPLL_WCSS2G_CLK] = &gcc_fepllwcss2g_clk.cdiv.clkr,
        [GCC_FEPLL_WCSS5G_CLK] = &gcc_fepllwcss5g_clk.cdiv.clkr,
        [GCC_APSS_CPU_PLLDIV_CLK] = &gcc_apss_cpu_plldiv_clk.cdiv.clkr,
+       [GCC_PCNOC_AHB_CLK_SRC] = &gcc_pcnoc_ahb_clk_src.clkr,
+       [GCC_PCNOC_AHB_CLK] = &pcnoc_clk_src.clkr,
 };
 
 static const struct qcom_reset_map gcc_ipq4019_resets[] = {

diff --git a/include/dt-bindings/clock/qcom,gcc-ipq4019.h b/include/dt-bindings/clock/qcom,gcc-ipq4019.h
index c629b2b..7e8a7be 100644 (file)
--- a/include/dt-bindings/clock/qcom,gcc-ipq4019.h
+++ b/include/dt-bindings/clock/qcom,gcc-ipq4019.h
@@ -91,6 +91,7 @@
 #define GCC_FEPLL_WCSS2G_CLK                           72
 #define GCC_FEPLL_WCSS5G_CLK                           73
 #define GCC_APSS_CPU_PLLDIV_CLK                                74
+#define GCC_PCNOC_AHB_CLK_SRC                          75
 
 #define WIFI0_CPU_INIT_RESET                           0
 #define WIFI0_RADIO_SRIF_RESET                         1