diff mbox series

[6/7] cpufreq: qcom-hw: Add cpufreq support for SM8250 SoC

Message ID 20200908075716.30357-7-manivannan.sadhasivam@linaro.org (mailing list archive)
State Superseded
Headers show
Series Add CPUFreq support for SM8250 SoC | expand

Commit Message

Manivannan Sadhasivam Sept. 8, 2020, 7:57 a.m. UTC
SM8250 SoC uses EPSS block for carrying out the cpufreq duties. Hence, add
support for it in the driver with relevant of_match data.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/cpufreq/qcom-cpufreq-hw.c | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Amit Kucheria Sept. 8, 2020, 12:10 p.m. UTC | #1
On Tue, Sep 8, 2020 at 1:27 PM Manivannan Sadhasivam
<manivannan.sadhasivam@linaro.org> wrote:
>
> SM8250 SoC uses EPSS block for carrying out the cpufreq duties. Hence, add
> support for it in the driver with relevant of_match data.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Reviewed-by: Amit Kucheria <amitk@kernel.org>


> ---
>  drivers/cpufreq/qcom-cpufreq-hw.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
> index de816bcafd33..c3c397cc3dc6 100644
> --- a/drivers/cpufreq/qcom-cpufreq-hw.c
> +++ b/drivers/cpufreq/qcom-cpufreq-hw.c
> @@ -285,8 +285,17 @@ static const struct qcom_cpufreq_soc_data qcom_soc_data = {
>         .lut_row_size = 32,
>  };
>
> +static const struct qcom_cpufreq_soc_data sm8250_soc_data = {
> +       .reg_enable = 0x0,
> +       .reg_freq_lut = 0x100,
> +       .reg_volt_lut = 0x200,
> +       .reg_perf_state = 0x320,
> +       .lut_row_size = 4,
> +};
> +
>  static const struct of_device_id qcom_cpufreq_hw_match[] = {
>         { .compatible = "qcom,cpufreq-hw", .data = &qcom_soc_data },
> +       { .compatible = "qcom,sm8250-epss", .data = &sm8250_soc_data },
>         {}
>  };
>  MODULE_DEVICE_TABLE(of, qcom_cpufreq_hw_match);
> --
> 2.17.1
>
Bjorn Andersson Sept. 8, 2020, 3:22 p.m. UTC | #2
On Tue 08 Sep 02:57 CDT 2020, Manivannan Sadhasivam wrote:

> SM8250 SoC uses EPSS block for carrying out the cpufreq duties. Hence, add
> support for it in the driver with relevant of_match data.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---
>  drivers/cpufreq/qcom-cpufreq-hw.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
> index de816bcafd33..c3c397cc3dc6 100644
> --- a/drivers/cpufreq/qcom-cpufreq-hw.c
> +++ b/drivers/cpufreq/qcom-cpufreq-hw.c
> @@ -285,8 +285,17 @@ static const struct qcom_cpufreq_soc_data qcom_soc_data = {
>  	.lut_row_size = 32,
>  };
>  
> +static const struct qcom_cpufreq_soc_data sm8250_soc_data = {

Could it be that this is the "epss_soc_data" (i.e. not sm8250 specific)?
(We should still use/include the platform specific compatible though).

Regards,
Bjorn

> +	.reg_enable = 0x0,
> +	.reg_freq_lut = 0x100,
> +	.reg_volt_lut = 0x200,
> +	.reg_perf_state = 0x320,
> +	.lut_row_size = 4,
> +};
> +
>  static const struct of_device_id qcom_cpufreq_hw_match[] = {
>  	{ .compatible = "qcom,cpufreq-hw", .data = &qcom_soc_data },
> +	{ .compatible = "qcom,sm8250-epss", .data = &sm8250_soc_data },
>  	{}
>  };
>  MODULE_DEVICE_TABLE(of, qcom_cpufreq_hw_match);
> -- 
> 2.17.1
>
Manivannan Sadhasivam Sept. 8, 2020, 3:29 p.m. UTC | #3
On 0908, Bjorn Andersson wrote:
> On Tue 08 Sep 02:57 CDT 2020, Manivannan Sadhasivam wrote:
> 
> > SM8250 SoC uses EPSS block for carrying out the cpufreq duties. Hence, add
> > support for it in the driver with relevant of_match data.
> > 
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> 
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> 
> > ---
> >  drivers/cpufreq/qcom-cpufreq-hw.c | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
> > index de816bcafd33..c3c397cc3dc6 100644
> > --- a/drivers/cpufreq/qcom-cpufreq-hw.c
> > +++ b/drivers/cpufreq/qcom-cpufreq-hw.c
> > @@ -285,8 +285,17 @@ static const struct qcom_cpufreq_soc_data qcom_soc_data = {
> >  	.lut_row_size = 32,
> >  };
> >  
> > +static const struct qcom_cpufreq_soc_data sm8250_soc_data = {
> 
> Could it be that this is the "epss_soc_data" (i.e. not sm8250 specific)?
> (We should still use/include the platform specific compatible though).
> 

Hmm, makes sense. Will change it.

Thanks,
Mani

> Regards,
> Bjorn
> 
> > +	.reg_enable = 0x0,
> > +	.reg_freq_lut = 0x100,
> > +	.reg_volt_lut = 0x200,
> > +	.reg_perf_state = 0x320,
> > +	.lut_row_size = 4,
> > +};
> > +
> >  static const struct of_device_id qcom_cpufreq_hw_match[] = {
> >  	{ .compatible = "qcom,cpufreq-hw", .data = &qcom_soc_data },
> > +	{ .compatible = "qcom,sm8250-epss", .data = &sm8250_soc_data },
> >  	{}
> >  };
> >  MODULE_DEVICE_TABLE(of, qcom_cpufreq_hw_match);
> > -- 
> > 2.17.1
> >
diff mbox series

Patch

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index de816bcafd33..c3c397cc3dc6 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -285,8 +285,17 @@  static const struct qcom_cpufreq_soc_data qcom_soc_data = {
 	.lut_row_size = 32,
 };
 
+static const struct qcom_cpufreq_soc_data sm8250_soc_data = {
+	.reg_enable = 0x0,
+	.reg_freq_lut = 0x100,
+	.reg_volt_lut = 0x200,
+	.reg_perf_state = 0x320,
+	.lut_row_size = 4,
+};
+
 static const struct of_device_id qcom_cpufreq_hw_match[] = {
 	{ .compatible = "qcom,cpufreq-hw", .data = &qcom_soc_data },
+	{ .compatible = "qcom,sm8250-epss", .data = &sm8250_soc_data },
 	{}
 };
 MODULE_DEVICE_TABLE(of, qcom_cpufreq_hw_match);