Hi Alex,
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml
On 6/23/21 2:00 PM, Alex Bee wrote:
> RK3328 SoC has a fourth mmc controller called SDMMC_EXT. Some
> boards have sdio wifi connected to it. In order to use it
> one would have to add the pinctrls from sdmmc0ext group which
> is done on board level.
>
> While at that also add the reset controls for the other mmc
> controllers.
>
> Signed-off-by: Alex Bee <knaerzche@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/rk3328.dtsi | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> index da84be6f4715..c13fa2f3f4cd 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> @@ -858,6 +858,8 @@ sdmmc: mmc@ff500000 {
> clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
> fifo-depth = <0x100>;
> max-frequency = <150000000>;
> + resets = <&cru SRST_MMC0>;
> + reset-names = "reset";
> status = "disabled";
> };
>
> @@ -870,6 +872,8 @@ sdio: mmc@ff510000 {
> clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
> fifo-depth = <0x100>;
> max-frequency = <150000000>;
> + resets = <&cru SRST_SDIO>;
> + reset-names = "reset";
> status = "disabled";
> };
>
> @@ -882,6 +886,8 @@ emmc: mmc@ff520000 {
> clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
> fifo-depth = <0x100>;
> max-frequency = <150000000>;
> + resets = <&cru SRST_EMMC>;
> + reset-names = "reset";
> status = "disabled";
> };
>
> @@ -980,6 +986,20 @@ usb_host0_ohci: usb@ff5d0000 {
> status = "disabled";
> };
>
> + sdmmc_ext: dwmmc@ff5f0000 {
/arch/arm64/boot/dts/rockchip/rk3328-evb.dt.yaml: dwmmc@ff5f0000:
$nodename:0: 'dwmmc@ff5f0000' does not match '^mmc(@.*)?$'
> + compatible = "rockchip,rk3328-dw-mshc", "rockchip,rk3288-dw-mshc";
> + reg = <0x0 0xff5f0000 0x0 0x4000>;
> + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru HCLK_SDMMC_EXT>, <&cru SCLK_SDMMC_EXT>,
> + <&cru SCLK_SDMMC_EXT_DRV>, <&cru SCLK_SDMMC_EXT_SAMPLE>;
> + clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
> + fifo-depth = <0x100>;
> + max-frequency = <150000000>;
> + resets = <&cru SRST_SDMMCEXT>;
> + reset-names = "reset";
> + status = "disabled";
> + };
> +
> usbdrd3: usb@ff600000 {
> compatible = "rockchip,rk3328-dwc3", "snps,dwc3";
> reg = <0x0 0xff600000 0x0 0x100000>;
>
