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LoongArch: dts: Add SDIO controller support to Loongson-2K0500

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The Loongson-2K0500 integrates two SDIO controllers for SD storage cards
and SDIO cards, supporting SD storage card boot.

The module is supported now, enable it.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Binbin Zhou 2025-08-05 19:00:22 +08:00 committed by Huacai Chen
parent 8568df83ea
commit 06d380c470
2 changed files with 35 additions and 2 deletions
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9
arch/loongarch/boot/dts/loongson-2k0500-ref.dts
View File

@ -41,6 +41,15 @@ linux,cma {
};
};
&apbdma3 {
status = "okay";
};
&mmc0 {
status = "okay";
bus-width = <4>;
};
&gmac0 {
status = "okay";

28
arch/loongarch/boot/dts/loongson-2k0500.dtsi
View File

@ -104,7 +104,7 @@ dma-controller@1fe10c10 {
status = "disabled";
};
dma-controller@1fe10c20 {
apbdma2: dma-controller@1fe10c20 {
compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
reg = <0 0x1fe10c20 0 0x8>;
interrupt-parent = <&eiointc>;
@ -114,7 +114,7 @@ dma-controller@1fe10c20 {
status = "disabled";
};
dma-controller@1fe10c30 {
apbdma3: dma-controller@1fe10c30 {
compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
reg = <0 0x1fe10c30 0 0x8>;
interrupt-parent = <&eiointc>;
@ -437,6 +437,30 @@ i2c@1ff4a800 {
status = "disabled";
};
mmc0: mmc@1ff64000 {
compatible = "loongson,ls2k0500-mmc";
reg = <0 0x1ff64000 0 0x2000>,
<0 0x1fe10100 0 0x4>;
interrupt-parent = <&eiointc>;
interrupts = <57>;
dmas = <&apbdma3 0>;
dma-names = "rx-tx";
clocks = <&clk LOONGSON2_APB_CLK>;
status = "disabled";
};
mmc@1ff66000 {
compatible = "loongson,ls2k0500-mmc";
reg = <0 0x1ff66000 0 0x2000>,
<0 0x1fe10100 0 0x4>;
interrupt-parent = <&eiointc>;
interrupts = <58>;
dmas = <&apbdma2 0>;
dma-names = "rx-tx";
clocks = <&clk LOONGSON2_APB_CLK>;
status = "disabled";
};
pmc: power-management@1ff6c000 {
compatible = "loongson,ls2k0500-pmc", "syscon";
reg = <0x0 0x1ff6c000 0x0 0x58>;