rockchip: rk3588: Sync sdmmc node from linux-next

Sync the sdmmc node from linux-next, include required nodes in SPL and
imply Kconfig options required for functional sdmmc clk in SPL and
U-Boot proper.

This make it possible for both SPL and U-Boot proper to configure sdmmc
clocks. In SPL, before TF-A is loaded, scru regs is configured, in
U-Boot proper a SCMI message is sent to TF-A.

Fixes: 95c8656b72dc ("ARM: dts: rockchip: rk3588s-u-boot: Add sdmmc node")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3588s.dtsi b/arch/arm/dts/rk3588s.dtsi
index 005cde6..fca8503 100644
--- a/arch/arm/dts/rk3588s.dtsi
+++ b/arch/arm/dts/rk3588s.dtsi
@@ -1099,6 +1099,21 @@
 		};
 	};
 
+	sdmmc: mmc@fe2c0000 {
+		compatible = "rockchip,rk3588-dw-mshc", "rockchip,rk3288-dw-mshc";
+		reg = <0x0 0xfe2c0000 0x0 0x4000>;
+		interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH 0>;
+		clocks = <&scmi_clk SCMI_HCLK_SD>, <&scmi_clk SCMI_CCLK_SD>,
+			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
+		fifo-depth = <0x100>;
+		max-frequency = <200000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_det &sdmmc_bus4>;
+		power-domains = <&power RK3588_PD_SDMMC>;
+		status = "disabled";
+	};
+
 	sdhci: mmc@fe2e0000 {
 		compatible = "rockchip,rk3588-dwcmshc";
 		reg = <0x0 0xfe2e0000 0x0 0x10000>;