riscv: dts: sophgo: Add emmc support for Huashan Pi

Add emmc node configuration for Huashan Pi.

Link: https://lore.kernel.org/r/20241025112902.1200716-3-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>

arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts

@@ -43,6 +43,18 @@ &osc {
 	clock-frequency = <25000000>;
 };
 
+&emmc {
+	status = "okay";
+	bus-width = <4>;
+	max-frequency = <200000000>;
+	mmc-ddr-1_8v;
+	mmc-ddr-3_3v;
+	mmc-hs200-1_8v;
+	no-sd;
+	no-sdio;
+	non-removable;
+};
+
 &sdhci0 {
 	status = "okay";
 	bus-width = <4>;

arch/riscv/boot/dts/sophgo/cv1812h.dtsi

@@ -6,6 +6,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-cv1812h.h>
 #include "cv18xx.dtsi"
+#include "cv181x.dtsi"
 
 / {
 	compatible = "sophgo,cv1812h";

arch/riscv/boot/dts/sophgo/cv181x.dtsi

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2024 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+#include <dt-bindings/clock/sophgo,cv1800.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	soc {
+		emmc: mmc@4300000 {
+			compatible = "sophgo,cv1800b-dwcmshc";
+			reg = <0x4300000 0x1000>;
+			interrupts = <34 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk CLK_AXI4_EMMC>,
+				 <&clk CLK_EMMC>;
+			clock-names = "core", "bus";
+			status = "disabled";
+		};
+	};
+};

arch/riscv/boot/dts/sophgo/sg2002.dtsi

@@ -6,6 +6,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-sg2002.h>
 #include "cv18xx.dtsi"
+#include "cv181x.dtsi"
 
 / {
 	compatible = "sophgo,sg2002";