[PATCH v2 01/14] clk: qcom: gcc: limit GPLL0_AO_OUT operating frequency
From: Jorge Ramirez-Ortiz <hidden>
Date: 2019-01-28 18:33:23
Also in:
linux-arm-msm, linux-clk, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, common clk framework, qualcomm clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Bjorn Andersson, Linus Torvalds
Limit the GPLL0_AO_OUT_MAIN operating frequency as per its hardware specifications. Co-developed-by: Niklas Cassel <redacted> Signed-off-by: Niklas Cassel <redacted> Signed-off-by: Jorge Ramirez-Ortiz <redacted> --- drivers/clk/qcom/clk-alpha-pll.c | 8 ++++++++ drivers/clk/qcom/clk-alpha-pll.h | 1 + drivers/clk/qcom/gcc-qcs404.c | 3 ++- 3 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index 0ced4a5..ef51f30 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c@@ -730,6 +730,14 @@ static long alpha_pll_huayra_round_rate(struct clk_hw *hw, unsigned long rate, return alpha_huayra_pll_round_rate(rate, *prate, &l, &a); } +const struct clk_ops clk_alpha_pll_fixed_ops = { + .enable = clk_alpha_pll_enable, + .disable = clk_alpha_pll_disable, + .is_enabled = clk_alpha_pll_is_enabled, + .recalc_rate = clk_alpha_pll_recalc_rate, +}; +EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_ops); + const struct clk_ops clk_alpha_pll_ops = { .enable = clk_alpha_pll_enable, .disable = clk_alpha_pll_disable,
diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h
index 66755f0..6b4eb74 100644
--- a/drivers/clk/qcom/clk-alpha-pll.h
+++ b/drivers/clk/qcom/clk-alpha-pll.h@@ -104,6 +104,7 @@ struct alpha_pll_config { }; extern const struct clk_ops clk_alpha_pll_ops; +extern const struct clk_ops clk_alpha_pll_fixed_ops; extern const struct clk_ops clk_alpha_pll_hwfsm_ops; extern const struct clk_ops clk_alpha_pll_postdiv_ops; extern const struct clk_ops clk_alpha_pll_huayra_ops;
diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
index 64da032..7de4fcf 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c@@ -304,6 +304,7 @@ static struct clk_alpha_pll gpll0_out_main = { }, }; + static struct clk_alpha_pll gpll0_ao_out_main = { .offset = 0x21000, .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
@@ -316,7 +317,7 @@ static struct clk_alpha_pll gpll0_ao_out_main = { .parent_names = (const char *[]){ "cxo" }, .num_parents = 1, .flags = CLK_IS_CRITICAL, - .ops = &clk_alpha_pll_ops, + .ops = &clk_alpha_pll_fixed_ops, }, }, };
--
2.7.4
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