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authorJorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>2019-11-25 14:59:04 +0100
committerStephen Boyd <sboyd@kernel.org>2019-12-18 22:07:52 -0800
commit4168c1cada5f05ea450e407123ee07d0f4974438 (patch)
tree27dd0fb57a74a8300f6b20c5457bf62b732a3dbd /drivers
parent4316ec05da997c20f74005753d228765e369a1cb (diff)
clk: qcom: gcc: limit GPLL0_AO_OUT operating frequency
Limit the GPLL0_AO_OUT_MAIN operating frequency as per its hardware specifications. Co-developed-by: Niklas Cassel <niklas.cassel@linaro.org> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lkml.kernel.org/r/20191125135910.679310-3-niklas.cassel@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/qcom/clk-alpha-pll.c8
-rw-r--r--drivers/clk/qcom/clk-alpha-pll.h1
-rw-r--r--drivers/clk/qcom/gcc-qcs404.c2
3 files changed, 10 insertions, 1 deletions
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index 055318f97991..9228b7b1f56e 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -878,6 +878,14 @@ static long clk_trion_pll_round_rate(struct clk_hw *hw, unsigned long rate,
return clamp(rate, min_freq, max_freq);
}
+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 15f27f4b06df..c28eb1a08c0c 100644
--- a/drivers/clk/qcom/clk-alpha-pll.h
+++ b/drivers/clk/qcom/clk-alpha-pll.h
@@ -109,6 +109,7 @@ 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 9b0c4ce2ef4e..46d314d69250 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c
@@ -330,7 +330,7 @@ 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,
},
},
};