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

From: Marek Szyprowski
Date: Fri Jan 27 2023 - 17:02:39 EST


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@xxxxxxxxxx>
Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
>
> 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@14df0000 {
> status = "disabled";
> };
>
> - usbdrd30: usbdrd {
> + usbdrd30: usb@15400000 {
> 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@15400000 {
> + 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@15580000 {
> status = "disabled";
> };
>
> - usbhost30: usbhost {
> + usbhost30: usb@15a00000 {
> 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@15a00000 {
> + 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