linux-kernel - Re: [PATCH v2 1/4] arm64: dts: rockchip: move power domain PD

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Message-ID: <2939d801-586d-85fd-97ef-d42925ddecce@arm.com>
Date:   Fri, 25 Feb 2022 14:14:31 +0000
From:   Robin Murphy <robin.murphy@....com>
To:     Michael Riesch <michael.riesch@...fvision.net>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Liang Chen <cl@...k-chips.com>,
        Peter Geis <pgwipeout@...il.com>,
        Johan Jonker <jbx6244@...il.com>,
        Simon Xue <xxm@...k-chips.com>,
        Yifeng Zhao <yifeng.zhao@...k-chips.com>,
        Nicolas Frattaroli <frattaroli.nicolas@...il.com>
Subject: Re: [PATCH v2 1/4] arm64: dts: rockchip: move power domain PD_PIPE to
 rk356x

On 2022-02-25 13:15, Michael Riesch wrote:
> The power domain PD_PIPE was moved to the RK3568 specific dtsi but
> is available on the RK3566 as well. Move it back to the shared dtsi.

Note that a corresponding definition does already exist in rk3568.dtsi. 
That one *could* inherit the base definition and only override the 
"pm_qos" property, but looking back to the original patch series it 
seems like not doing that was a deliberate choice.

Robin.

> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
> ---
>   arch/arm64/boot/dts/rockchip/rk3568.dtsi | 16 ----------------
>   arch/arm64/boot/dts/rockchip/rk356x.dtsi | 14 ++++++++++++++
>   2 files changed, 14 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> index 91a0b798b857..ecc0f3015915 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> @@ -100,19 +100,3 @@ opp-1992000000 {
>   		opp-microvolt = <1150000 1150000 1150000>;
>   	};
>   };
> -
> -&power {
> -	power-domain@...568_PD_PIPE {
> -		reg = <RK3568_PD_PIPE>;
> -		clocks = <&cru PCLK_PIPE>;
> -		pm_qos = <&qos_pcie2x1>,
> -			 <&qos_pcie3x1>,
> -			 <&qos_pcie3x2>,
> -			 <&qos_sata0>,
> -			 <&qos_sata1>,
> -			 <&qos_sata2>,
> -			 <&qos_usb3_0>,
> -			 <&qos_usb3_1>;
> -		#power-domain-cells = <0>;
> -	};
> -};
> diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> index 8b9fae3d348a..742f5adcdf2b 100644
> --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> @@ -490,6 +490,20 @@ power-domain@...568_PD_RKVENC {
>   					 <&qos_rkvenc_wr_m0>;
>   				#power-domain-cells = <0>;
>   			};
> +
> +			power-domain@...568_PD_PIPE {
> +				reg = <RK3568_PD_PIPE>;
> +				clocks = <&cru PCLK_PIPE>;
> +				pm_qos = <&qos_pcie2x1>,
> +					 <&qos_pcie3x1>,
> +					 <&qos_pcie3x2>,
> +					 <&qos_sata0>,
> +					 <&qos_sata1>,
> +					 <&qos_sata2>,
> +					 <&qos_usb3_0>,
> +					 <&qos_usb3_1>;
> +				#power-domain-cells = <0>;
> +			};
>   		};
>   	};
>