Commit 89a7056e authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Inochi Amaoto
Browse files

riscv: dts: sophgo: add sdcard support for milkv duo 



Add sdhci dt node in SoC dtsi and enable it in milkv duo dts.

Signed-off-by: default avatarJisheng Zhang <jszhang@kernel.org>
Reviewed-by: default avatarInochi Amaoto <inochiama@outlook.com>
Link: https://lore.kernel.org/r/20240217144826.3944-1-jszhang@kernel.org


Signed-off-by: default avatarInochi Amaoto <inochiama@outlook.com>
Signed-off-by: default avatarChen Wang <unicorn_wang@outlook.com>
parent 4cece764

arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts

+8 −0
Original line number Diff line number Diff line
@@ -33,6 +33,14 @@ &osc { 
	clock-frequency = <25000000>;

};



&sdhci0 {

	status = "okay";

	bus-width = <4>;

	no-1-8-v;

	no-mmc;

	no-sdio;

};



&uart0 {

	status = "okay";

};

arch/riscv/boot/dts/sophgo/cv18xx.dtsi

+17 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
 * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>

 */



#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/interrupt-controller/irq.h>



/ {
@@ -45,6 +46,13 @@ osc: oscillator { 
		#clock-cells = <0>;

	};



	sdhci_clk: sdhci-clock {

		compatible = "fixed-clock";

		clock-frequency = <375000000>;

		clock-output-names = "sdhci_clk";

		#clock-cells = <0>;

	};



	soc {

		compatible = "simple-bus";

		interrupt-parent = <&plic>;
@@ -175,6 +183,15 @@ uart4: serial@41c0000 { 
			status = "disabled";

		};



		sdhci0: mmc@4310000 {

			compatible = "sophgo,cv1800b-dwcmshc";

			reg = <0x4310000 0x1000>;

			interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&sdhci_clk>;

			clock-names = "core";

			status = "disabled";

		};



		plic: interrupt-controller@70000000 {

			reg = <0x70000000 0x4000000>;

			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;