]> git.baikalelectronics.ru Git - kernel.git/commitdiff
clk: qcom: msm8996-cpu: Statically define PLL dividers
authorYassine Oudjana <y.oudjana@protonmail.com>
Tue, 21 Jun 2022 16:06:17 +0000 (20:06 +0400)
committerBjorn Andersson <andersson@kernel.org>
Mon, 26 Sep 2022 16:12:35 +0000 (11:12 -0500)
This will allow for adding them to clk_parent_data arrays
in an upcoming patch.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220621160621.24415-3-y.oudjana@protonmail.com
drivers/clk/qcom/clk-cpu-8996.c

index 5dc68dc3621f879dcdeaa1741b3f776b73c233e3..217f9392c23d5e256a6861aa7fed9aec4ffd76d0 100644 (file)
@@ -135,6 +135,34 @@ static struct clk_alpha_pll pwrcl_pll = {
        },
 };
 
+static struct clk_fixed_factor pwrcl_pll_postdiv = {
+       .mult = 1,
+       .div = 2,
+       .hw.init = &(struct clk_init_data){
+               .name = "pwrcl_pll_postdiv",
+               .parent_data = &(const struct clk_parent_data){
+                       .hw = &pwrcl_pll.clkr.hw
+               },
+               .num_parents = 1,
+               .ops = &clk_fixed_factor_ops,
+               .flags = CLK_SET_RATE_PARENT,
+       },
+};
+
+static struct clk_fixed_factor perfcl_pll_postdiv = {
+       .mult = 1,
+       .div = 2,
+       .hw.init = &(struct clk_init_data){
+               .name = "perfcl_pll_postdiv",
+               .parent_data = &(const struct clk_parent_data){
+                       .hw = &perfcl_pll.clkr.hw
+               },
+               .num_parents = 1,
+               .ops = &clk_fixed_factor_ops,
+               .flags = CLK_SET_RATE_PARENT,
+       },
+};
+
 static const struct pll_vco alt_pll_vco_modes[] = {
        VCO(3,  250000000,  500000000),
        VCO(2,  500000000,  750000000),
@@ -261,7 +289,7 @@ static struct clk_cpu_8996_mux pwrcl_smux = {
                .name = "pwrcl_smux",
                .parent_names = (const char *[]){
                        "xo",
-                       "pwrcl_pll_main",
+                       "pwrcl_pll_postdiv",
                },
                .num_parents = 2,
                .ops = &clk_cpu_8996_mux_ops,
@@ -277,7 +305,7 @@ static struct clk_cpu_8996_mux perfcl_smux = {
                .name = "perfcl_smux",
                .parent_names = (const char *[]){
                        "xo",
-                       "perfcl_pll_main",
+                       "perfcl_pll_postdiv",
                },
                .num_parents = 2,
                .ops = &clk_cpu_8996_mux_ops,
@@ -354,32 +382,25 @@ static int qcom_cpu_clk_msm8996_register_clks(struct device *dev,
 {
        int i, ret;
 
-       perfcl_smux.pll = clk_hw_register_fixed_factor(dev, "perfcl_pll_main",
-                                                      "perfcl_pll",
-                                                      CLK_SET_RATE_PARENT,
-                                                      1, 2);
-       if (IS_ERR(perfcl_smux.pll)) {
-               dev_err(dev, "Failed to initialize perfcl_pll_main\n");
-               return PTR_ERR(perfcl_smux.pll);
+       ret = devm_clk_hw_register(dev, &pwrcl_pll_postdiv.hw);
+       if (ret) {
+               dev_err(dev, "Failed to register pwrcl_pll_postdiv: %d", ret);
+               return ret;
        }
 
-       pwrcl_smux.pll = clk_hw_register_fixed_factor(dev, "pwrcl_pll_main",
-                                                     "pwrcl_pll",
-                                                     CLK_SET_RATE_PARENT,
-                                                     1, 2);
-       if (IS_ERR(pwrcl_smux.pll)) {
-               dev_err(dev, "Failed to initialize pwrcl_pll_main\n");
-               clk_hw_unregister(perfcl_smux.pll);
-               return PTR_ERR(pwrcl_smux.pll);
+       ret = devm_clk_hw_register(dev, &perfcl_pll_postdiv.hw);
+       if (ret) {
+               dev_err(dev, "Failed to register perfcl_pll_postdiv: %d", ret);
+               return ret;
        }
 
+       pwrcl_smux.pll = &pwrcl_pll_postdiv.hw;
+       perfcl_smux.pll = &perfcl_pll_postdiv.hw;
+
        for (i = 0; i < ARRAY_SIZE(cpu_msm8996_clks); i++) {
                ret = devm_clk_register_regmap(dev, cpu_msm8996_clks[i]);
-               if (ret) {
-                       clk_hw_unregister(perfcl_smux.pll);
-                       clk_hw_unregister(pwrcl_smux.pll);
+               if (ret)
                        return ret;
-               }
        }
 
        clk_alpha_pll_configure(&perfcl_pll, regmap, &hfpll_config);
@@ -409,9 +430,6 @@ static int qcom_cpu_clk_msm8996_unregister_clks(void)
        if (ret)
                return ret;
 
-       clk_hw_unregister(perfcl_smux.pll);
-       clk_hw_unregister(pwrcl_smux.pll);
-
        return 0;
 }