linux-kernel - Re: [PATCH 8/8] arm64: dts: exynos: move MIPI phy to PMU node in Exynos5433

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Message-ID: <e2bca7ec-4e0d-e4b5-9933-a5be81d63f2b@samsung.com>
Date:   Fri, 27 Jan 2023 23:16:43 +0100
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     replicant@...osl.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Martin Jücker <martin.juecker@...il.com>,
        Henrik Grimler <henrik@...mler.se>,
        Chanwoo Choi <cw00.choi@...sung.com>
Subject: Re: [PATCH 8/8] arm64: dts: exynos: move MIPI phy to PMU node in
 Exynos5433

On 27.01.2023 20:40, Krzysztof Kozlowski wrote:
> The MIPI phy is actually part of the Power Management Unit system
> controller.  It does not have own address space, thus keeping the node
> under soc causes warnings:
>
>    exynos5433-tm2e.dtb: soc@0: video-phy: {'compatible': ['samsung,exynos5433-mipi-video-phy'], ...
>      should not be valid under {'type': 'object'}
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>
> ---
>   arch/arm64/boot/dts/exynos/exynos5433.dtsi | 19 +++++++++----------
>   1 file changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> index 9da24fe958a3..842976addbd9 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -911,12 +911,20 @@ pinctrl_touch: pinctrl@...e0000 {
>   		};
>   
>   		pmu_system_controller: system-controller@...c0000 {
> -			compatible = "samsung,exynos5433-pmu", "syscon";
> +			compatible = "samsung,exynos5433-pmu", "simple-mfd", "syscon";
>   			reg = <0x105c0000 0x5008>;
>   			#clock-cells = <1>;
>   			clock-names = "clkout16";
>   			clocks = <&xxti>;
>   
> +			mipi_phy: mipi-phy {
> +				compatible = "samsung,exynos5433-mipi-video-phy";
> +				#phy-cells = <1>;
> +				samsung,cam0-sysreg = <&syscon_cam0>;
> +				samsung,cam1-sysreg = <&syscon_cam1>;
> +				samsung,disp-sysreg = <&syscon_disp>;
> +			};
> +
>   			reboot: syscon-reboot {
>   				compatible = "syscon-reboot";
>   				regmap = <&pmu_system_controller>;
> @@ -936,15 +944,6 @@ gic: interrupt-controller@...01000 {
>   			interrupts = <GIC_PPI 9 0xf04>;
>   		};
>   
> -		mipi_phy: video-phy {
> -			compatible = "samsung,exynos5433-mipi-video-phy";
> -			#phy-cells = <1>;
> -			samsung,pmu-syscon = <&pmu_system_controller>;
> -			samsung,cam0-sysreg = <&syscon_cam0>;
> -			samsung,cam1-sysreg = <&syscon_cam1>;
> -			samsung,disp-sysreg = <&syscon_disp>;
> -		};
> -
>   		decon: decon@...00000 {
>   			compatible = "samsung,exynos5433-decon";
>   			reg = <0x13800000 0x2104>;

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland