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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Stephen Boyd <sboyd@kernel.org>, Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Jonathan Marek <jonathan@marek.ca>,
	Michael Turquette <mturquette@baylibre.com>,
	Rob Herring <robh+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
	Rob Herring <robh@kernel.org>
Subject: Re: [PATCH v1 1/3] dt-bindings: clock: qcom,dispcc: document power domain bindings
Date: Wed, 14 Oct 2020 12:36:50 +0300	[thread overview]
Message-ID: <36c5d7dc-7b31-69d1-6862-4432ee22a2c4@linaro.org> (raw)
In-Reply-To: <160263639992.310579.2985110685040776427@swboyd.mtv.corp.google.com>

On 14/10/2020 03:46, Stephen Boyd wrote:
> Quoting Dmitry Baryshkov (2020-10-05 15:59:12)
>> SM8250 requires special power domain for accessing MMDS_GDSC registers.
> 
> Heh, not sure it's special.
> 
>> Add bindings for the MMCX power domain.
>>
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>> Reviewed-by: Rob Herring <robh@kernel.org>
>> ---
>>   .../bindings/clock/qcom,sdm845-dispcc.yaml    | 28 +++++++++++++++++++
>>   1 file changed, 28 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml
>> index 4a3be733d042..ff0db55470ac 100644
>> --- a/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml
>> +++ b/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml
>> @@ -97,5 +108,22 @@ examples:
>>         #clock-cells = <1>;
>>         #reset-cells = <1>;
>>         #power-domain-cells = <1>;
>> +      /* this is a part of sm8250 setup the power domain example */
>> +      power-domains = <&rpmhpd SDM845_CX>;
>> +      power-domain-names = "mmcx";
>> +      required-opps = <&rpmhpd_opp_low_svs>;
>> +    };
>> +    rpmhpd: power-controller {
> 
> Do we need this node in the example? I think it isn't required but I
> guess it's OK.

It is to be able to resolve "power-domains" and "required-opps" 
properties values.

>> +      compatible = "qcom,sdm845-rpmhpd";
>> +      #power-domain-cells = <1>;
>> +      operating-points-v2 = <&rpmhpd_opp_table>;
>> +
>> +      rpmhpd_opp_table: opp-table {
>> +        compatible = "operating-points-v2";
>> +
>> +        rpmhpd_opp_low_svs: opp3 {


-- 
With best wishes
Dmitry

  reply	other threads:[~2020-10-14  9:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-05 22:59 [PATCH v1 0/3] clk: qcom: handle power domains supplies for GDSC Dmitry Baryshkov
2020-10-05 22:59 ` [PATCH v1 1/3] dt-bindings: clock: qcom,dispcc: document power domain bindings Dmitry Baryshkov
2020-10-14  0:46   ` Stephen Boyd
2020-10-14  9:36     ` Dmitry Baryshkov [this message]
2020-10-14  2:17   ` Stephen Boyd
2020-10-05 22:59 ` [PATCH v1 2/3] clk: qcom: gdsc: enable external switchable power domain Dmitry Baryshkov
2020-10-14  2:15   ` Stephen Boyd
2020-10-14  9:44     ` Dmitry Baryshkov
2020-10-14 17:29       ` Stephen Boyd
2020-10-05 22:59 ` [PATCH v1 3/3] clk: qcom: dispcc-sm8250: handle MMCX " Dmitry Baryshkov
2020-10-14  2:16   ` Stephen Boyd
2020-10-14  9:46     ` Dmitry Baryshkov

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