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

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

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Inochi Amaoto <inochiama@outlook.com>
Link: https://lore.kernel.org/r/20240217144826.3944-1-jszhang@kernel.org
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
This commit is contained in:
Jisheng Zhang 2024-02-17 22:48:26 +08:00 committed by Inochi Amaoto
parent 4cece76496
commit 89a7056ed4
2 changed files with 25 additions and 0 deletions
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8
arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
View File

@ -33,6 +33,14 @@
clock-frequency = <25000000>;
};
&sdhci0 {
status = "okay";
bus-width = <4>;
no-1-8-v;
no-mmc;
no-sdio;
};
&uart0 {
status = "okay";
};

17
arch/riscv/boot/dts/sophgo/cv18xx.dtsi
View File

@ -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 @@
#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 @@
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>;