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author | Yassine Oudjana <y.oudjana@protonmail.com> | 2022-06-21 20:06:17 +0400 |
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committer | Bjorn Andersson <andersson@kernel.org> | 2022-09-26 11:12:35 -0500 |
commit | de37e0214c28330cf0dbf4fe51db1d9d38c13c93 (patch) | |
tree | a1f0ff7d01a54738c22b4839548d05d78a89deaa /drivers/clk/qcom/clk-cpu-8996.c | |
parent | 1ba0a3bbd5ed5a1bb8d0165912d9904b812af74b (diff) | |
download | lwn-de37e0214c28330cf0dbf4fe51db1d9d38c13c93.tar.gz lwn-de37e0214c28330cf0dbf4fe51db1d9d38c13c93.zip |
clk: qcom: msm8996-cpu: Statically define PLL dividers
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
Diffstat (limited to 'drivers/clk/qcom/clk-cpu-8996.c')
-rw-r--r-- | drivers/clk/qcom/clk-cpu-8996.c | 66 |
1 files changed, 42 insertions, 24 deletions
diff --git a/drivers/clk/qcom/clk-cpu-8996.c b/drivers/clk/qcom/clk-cpu-8996.c index 5dc68dc3621f..217f9392c23d 100644 --- a/drivers/clk/qcom/clk-cpu-8996.c +++ b/drivers/clk/qcom/clk-cpu-8996.c @@ -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; } |