linux-kernel - Re: [PATCH v3 7/8] arm64: dts: qcom: Add support for multimedia clock controllers

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Message-ID: <12be3f5a-5bc6-40cc-a7af-7f098a7be04e@linaro.org>
Date: Tue, 16 Jul 2024 14:09:47 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>, Taniya Das
 <quic_tdas@...cinc.com>, Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 quic_imrashai@...cinc.com, quic_jkona@...cinc.com
Subject: Re: [PATCH v3 7/8] arm64: dts: qcom: Add support for multimedia clock
 controllers

On 16.07.2024 9:45 AM, Krzysztof Kozlowski wrote:
> On 15/07/2024 10:23, Taniya Das wrote:
>> Add support for video, camera, display0 and display1 clock
>> controllers on SA8775P platform.
>>
>> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
>> ---
>>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 56 +++++++++++++++++++++++++++++++++++
>>  1 file changed, 56 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
>> index 23f1b2e5e624..8fd68a8aa916 100644
>> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
>> @@ -2911,6 +2911,47 @@ llcc: system-cache-controller@...0000 {
>>  			interrupts = <GIC_SPI 580 IRQ_TYPE_LEVEL_HIGH>;
>>  		};
>>  
>> +		videocc: clock-controller@...0000 {
>> +			compatible = "qcom,sa8775p-videocc";
>> +			reg = <0x0 0x0abf0000 0x0 0x10000>;
>> +			clocks = <&gcc GCC_VIDEO_AHB_CLK>,
>> +				 <&rpmhcc RPMH_CXO_CLK>,
>> +				 <&rpmhcc RPMH_CXO_CLK_A>,
>> +				 <&sleep_clk>;
>> +			power-domains = <&rpmhpd SA8775P_MMCX>;
> 
> Not sure if these are correct. I had impression the clocks are going
> away from sa8775p?

Right, the patches look mostly good, but are still going to be on hold
until the 8775 situation is cleared out.. We recently had the gigantic
patchset [1] that shifted things around, and seemingly there was rather
little closure on that, so we're waiting for the dust to settle and
people to agree on things..

Konrad

[1] https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-1-quic_tengfan@quicinc.com/