linux-kernel - Re: [PATCH 6/8] ARM: dts: exynos: move DP and MIPI phys to PMU node in Exynos5420

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Date:   Fri, 27 Jan 2023 23:54:09 +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 6/8] ARM: dts: exynos: move DP and MIPI phys to PMU node
 in Exynos5420

On 27.01.2023 20:40, Krzysztof Kozlowski wrote:
> The DisplayPort and MIPI phys are actually part of the Power Management
> Unit system controller.  They do not have their own address space, thus
> keeping the nodes under soc causes warnings:
>
>    exynos5420-smdk5420.dtb: soc: dp-video-phy: {'compatible': ['samsung,exynos5420-dp-video-phy'],
>      'samsung,pmu-syscon': [[11]], '#phy-cells': [[0]], 'phandle': [[16]]} 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/arm/boot/dts/exynos5420.dtsi | 24 +++++++++++-------------
>   1 file changed, 11 insertions(+), 13 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index b1051a7d07af..6cdb1a832fb9 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -585,18 +585,6 @@ spi_2: spi@...40000 {
>   			status = "disabled";
>   		};
>   
> -		dp_phy: dp-video-phy {
> -			compatible = "samsung,exynos5420-dp-video-phy";
> -			samsung,pmu-syscon = <&pmu_system_controller>;
> -			#phy-cells = <0>;
> -		};
> -
> -		mipi_phy: mipi-video-phy {
> -			compatible = "samsung,exynos5420-mipi-video-phy";
> -			syscon = <&pmu_system_controller>;
> -			#phy-cells = <1>;
> -		};
> -
>   		dsi: dsi@...00000 {
>   			compatible = "samsung,exynos5410-mipi-dsi";
>   			reg = <0x14500000 0x10000>;
> @@ -822,7 +810,7 @@ jpeg_1: jpeg@...60000 {
>   		};
>   
>   		pmu_system_controller: system-controller@...40000 {
> -			compatible = "samsung,exynos5420-pmu", "syscon";
> +			compatible = "samsung,exynos5420-pmu", "simple-mfd", "syscon";
>   			reg = <0x10040000 0x5000>;
>   			clock-names = "clkout16";
>   			clocks = <&clock CLK_FIN_PLL>;
> @@ -830,6 +818,16 @@ pmu_system_controller: system-controller@...40000 {
>   			interrupt-controller;
>   			#interrupt-cells = <3>;
>   			interrupt-parent = <&gic>;
> +
> +			dp_phy: dp-phy {
> +				compatible = "samsung,exynos5420-dp-video-phy";
> +				#phy-cells = <0>;
> +			};
> +
> +			mipi_phy: mipi-phy {
> +				compatible = "samsung,exynos5420-mipi-video-phy";
> +				#phy-cells = <1>;
> +			};
>   		};
>   
>   		tmu_cpu0: tmu@...60000 {

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