From: Niklas Cassel <niklas.cassel@linaro.org>
To: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, amit.kucheria@linaro.org,
sboyd@kernel.org,
Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>,
Niklas Cassel <niklas.cassel@linaro.org>,
Michael Turquette <mturquette@baylibre.com>,
linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 2/7] clk: qcom: gcc: limit GPLL0_AO_OUT operating frequency
Date: Mon, 25 Nov 2019 14:59:04 +0100 [thread overview]
Message-ID: <20191125135910.679310-3-niklas.cassel@linaro.org> (raw)
In-Reply-To: <20191125135910.679310-1-niklas.cassel@linaro.org>
From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
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>
---
Changes since v2:
-None
drivers/clk/qcom/clk-alpha-pll.c | 8 ++++++++
drivers/clk/qcom/clk-alpha-pll.h | 1 +
drivers/clk/qcom/gcc-qcs404.c | 2 +-
3 files changed, 10 insertions(+), 1 deletion(-)
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,
},
},
};
--
2.23.0
next prev parent reply other threads:[~2019-11-25 13:59 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-25 13:59 [PATCH v3 0/7] Clock changes to support cpufreq on QCS404 Niklas Cassel
2019-11-25 13:59 ` [PATCH v3 1/7] dt-bindings: mailbox: qcom: Add clock-name optional property Niklas Cassel
2019-12-19 6:24 ` Stephen Boyd
2019-11-25 13:59 ` Niklas Cassel [this message]
2019-12-19 6:24 ` [PATCH v3 2/7] clk: qcom: gcc: limit GPLL0_AO_OUT operating frequency Stephen Boyd
2019-11-25 13:59 ` [PATCH v3 3/7] clk: qcom: hfpll: register as clock provider Niklas Cassel
2019-12-19 6:24 ` Stephen Boyd
2019-11-25 13:59 ` [PATCH v3 4/7] clk: qcom: hfpll: CLK_IGNORE_UNUSED Niklas Cassel
2019-12-19 6:25 ` Stephen Boyd
2019-11-25 13:59 ` [PATCH v3 5/7] clk: qcom: hfpll: use clk_parent_data to specify the parent Niklas Cassel
2019-12-19 6:25 ` Stephen Boyd
2019-11-25 13:59 ` [PATCH v3 6/7] clk: qcom: apcs-msm8916: silently error out on EPROBE_DEFER Niklas Cassel
2019-12-19 6:25 ` Stephen Boyd
2019-11-25 13:59 ` [PATCH v3 7/7] clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent Niklas Cassel
2019-12-19 6:23 ` Stephen Boyd
2019-12-20 17:22 ` Bjorn Andersson
2019-12-20 17:56 ` Niklas Cassel
2019-12-24 2:16 ` Stephen Boyd
2019-12-27 2:26 ` Bjorn Andersson
2019-12-30 18:04 ` Stephen Boyd
2020-01-03 7:47 ` Bjorn Andersson
2019-12-18 12:16 ` [PATCH v3 0/7] Clock changes to support cpufreq on QCS404 Niklas Cassel
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