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[v2,01/15] clk: qcom: branch: Add a helper for setting the enable bit

Message ID 20230717-topic-branch_aon_cleanup-v2-1-2a583460ef26@linaro.org
State Superseded
Headers show
Series Unregister critical branch clocks + some RPM | expand

Commit Message

Konrad Dybcio Nov. 29, 2023, 6:59 p.m. UTC 
We hardcode some clocks to be always-on, as they're essential to the
functioning of the SoC / some peripherals. Add a helper to do so
to make the writes less magic.

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/clk/qcom/clk-branch.h | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Bryan O'Donoghue Nov. 29, 2023, 8:53 p.m. UTC | #1 
On 29/11/2023 18:59, Konrad Dybcio wrote:
> We hardcode some clocks to be always-on, as they're essential to the
> functioning of the SoC / some peripherals. Add a helper to do so
> to make the writes less magic.
> 
> Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>   drivers/clk/qcom/clk-branch.h | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/clk/qcom/clk-branch.h b/drivers/clk/qcom/clk-branch.h
> index 0cf800b9d08d..155818cc8d49 100644
> --- a/drivers/clk/qcom/clk-branch.h
> +++ b/drivers/clk/qcom/clk-branch.h
> @@ -47,6 +47,7 @@ struct clk_branch {
>   #define CBCR_FORCE_MEM_PERIPH_OFF	BIT(12)
>   #define CBCR_WAKEUP			GENMASK(11, 8)
>   #define CBCR_SLEEP			GENMASK(7, 4)
> +#define CBCR_CLOCK_ENABLE		BIT(0)
>   
>   static inline void qcom_branch_set_force_mem_core(struct regmap *regmap,
>   						  struct clk_branch clk, bool on)
> @@ -81,6 +82,12 @@ static inline void qcom_branch_set_sleep(struct regmap *regmap, struct clk_branc
>   			   FIELD_PREP(CBCR_SLEEP, val));
>   }
>   
> +static inline void qcom_branch_set_clk_en(struct regmap *regmap, u32 cbcr)
> +{
> +	regmap_update_bits(regmap, cbcr, CBCR_CLOCK_ENABLE,
> +			   CBCR_CLOCK_ENABLE);
> +}
> +
>   extern const struct clk_ops clk_branch_ops;
>   extern const struct clk_ops clk_branch2_ops;
>   extern const struct clk_ops clk_branch_simple_ops;
> 
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
diff mbox series

Patch

diff --git a/drivers/clk/qcom/clk-branch.h b/drivers/clk/qcom/clk-branch.h
index 0cf800b9d08d..155818cc8d49 100644
--- a/drivers/clk/qcom/clk-branch.h
+++ b/drivers/clk/qcom/clk-branch.h
@@ -47,6 +47,7 @@  struct clk_branch {
 #define CBCR_FORCE_MEM_PERIPH_OFF	BIT(12)
 #define CBCR_WAKEUP			GENMASK(11, 8)
 #define CBCR_SLEEP			GENMASK(7, 4)
+#define CBCR_CLOCK_ENABLE		BIT(0)
 
 static inline void qcom_branch_set_force_mem_core(struct regmap *regmap,
 						  struct clk_branch clk, bool on)
@@ -81,6 +82,12 @@  static inline void qcom_branch_set_sleep(struct regmap *regmap, struct clk_branc
 			   FIELD_PREP(CBCR_SLEEP, val));
 }
 
+static inline void qcom_branch_set_clk_en(struct regmap *regmap, u32 cbcr)
+{
+	regmap_update_bits(regmap, cbcr, CBCR_CLOCK_ENABLE,
+			   CBCR_CLOCK_ENABLE);
+}
+
 extern const struct clk_ops clk_branch_ops;
 extern const struct clk_ops clk_branch2_ops;
 extern const struct clk_ops clk_branch_simple_ops;