linux-kernel - Re: [RFT PATCH v3 3/4] arm64: dts: exynos: add unit address to DWC3 node wrapper in Exynos5433

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Date:   Fri, 27 Jan 2023 23:02:21 +0100
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...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>,
        Sam Protsenko <semen.protsenko@...aro.org>,
        Chanho Park <chanho61.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>
Subject: Re: [RFT PATCH v3 3/4] arm64: dts: exynos: add unit address to DWC3
 node wrapper in Exynos5433

On 27.01.2023 22:27, Krzysztof Kozlowski wrote:
> Neither simple-bus bindings nor dtc W=1 accept device nodes in soc@ node
> which do not have unit address.  Therefore usethe address space
> of child device (actual DWC3 Controller) as the wrapper's address to
> fix:
>
>    exynos5433-tm2e.dtb: soc@0: usbdrd: {'compatible': ['samsung,exynos5433-dwusb3'], ...
>      should not be valid under {'type': 'object'}
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>
> ---
>
> Changes since v2:
> 1. Fix typo/build error.
>
> Changes since v1:
> 1. New patch
> ---
>   arch/arm64/boot/dts/exynos/exynos5433.dtsi | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> index 9da24fe958a3..5519a80576c5 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -1742,7 +1742,7 @@ hsi2c_11: i2c@...f0000 {
>   			status = "disabled";
>   		};
>   
> -		usbdrd30: usbdrd {
> +		usbdrd30: usb@...00000 {
>   			compatible = "samsung,exynos5433-dwusb3";
>   			clocks = <&cmu_fsys CLK_ACLK_USBDRD30>,
>   				<&cmu_fsys CLK_SCLK_USBDRD30>,
> @@ -1751,16 +1751,16 @@ usbdrd30: usbdrd {
>   			clock-names = "aclk", "susp_clk", "phyclk", "pipe_pclk";
>   			#address-cells = <1>;
>   			#size-cells = <1>;
> -			ranges;
> +			ranges = <0x0 0x15400000 0x10000>;
>   			status = "disabled";
>   
> -			usbdrd_dwc3: usb@...00000 {
> +			usbdrd_dwc3: usb@0 {
>   				compatible = "snps,dwc3";
>   				clocks = <&cmu_fsys CLK_SCLK_USBDRD30>,
>   					<&cmu_fsys CLK_ACLK_USBDRD30>,
>   					<&cmu_fsys CLK_SCLK_USBDRD30>;
>   				clock-names = "ref", "bus_early", "suspend";
> -				reg = <0x15400000 0x10000>;
> +				reg = <0x0 0x10000>;
>   				interrupts = <GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>;
>   				phys = <&usbdrd30_phy 0>, <&usbdrd30_phy 1>;
>   				phy-names = "usb2-phy", "usb3-phy";
> @@ -1795,7 +1795,7 @@ usbhost30_phy: phy@...80000 {
>   			status = "disabled";
>   		};
>   
> -		usbhost30: usbhost {
> +		usbhost30: usb@...00000 {
>   			compatible = "samsung,exynos5433-dwusb3";
>   			clocks = <&cmu_fsys CLK_ACLK_USBHOST30>,
>   				<&cmu_fsys CLK_SCLK_USBHOST30>,
> @@ -1804,16 +1804,16 @@ usbhost30: usbhost {
>   			clock-names = "aclk", "susp_clk", "phyclk", "pipe_pclk";
>   			#address-cells = <1>;
>   			#size-cells = <1>;
> -			ranges;
> +			ranges = <0x0 0x15a00000 0x10000>;
>   			status = "disabled";
>   
> -			usbhost_dwc3: usb@...00000 {
> +			usbhost_dwc3: usb@0 {
>   				compatible = "snps,dwc3";
>   				clocks = <&cmu_fsys CLK_SCLK_USBHOST30>,
>   					<&cmu_fsys CLK_ACLK_USBHOST30>,
>   					<&cmu_fsys CLK_SCLK_USBHOST30>;
>   				clock-names = "ref", "bus_early", "suspend";
> -				reg = <0x15a00000 0x10000>;
> +				reg = <0x0 0x10000>;
>   				interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>;
>   				phys = <&usbhost30_phy 0>, <&usbhost30_phy 1>;
>   				phy-names = "usb2-phy", "usb3-phy";

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