diff options
| author | Binbin Zhou <zhoubinbin@loongson.cn> | 2025-08-05 19:00:22 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2025-08-05 19:00:22 +0800 |
| commit | 06d380c470ef987ec703e96cef91681ac13810fe (patch) | |
| tree | 4b463bacf2cdc794a7216657d718ac30ae2cf6be | |
| parent | 8568df83ea7d9afed0b40ee3a5f8287df008b1c9 (diff) | |
LoongArch: dts: Add SDIO controller support to Loongson-2K0500
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>
| -rw-r--r-- | arch/loongarch/boot/dts/loongson-2k0500-ref.dts | 9 | ||||
| -rw-r--r-- | arch/loongarch/boot/dts/loongson-2k0500.dtsi | 28 |
2 files changed, 35 insertions, 2 deletions
diff --git a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts index a34734a6c3ce..018ed904352a 100644 --- a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts +++ b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts @@ -41,6 +41,15 @@ }; }; +&apbdma3 { + status = "okay"; +}; + +&mmc0 { + status = "okay"; + bus-width = <4>; +}; + &gmac0 { status = "okay"; diff --git a/arch/loongarch/boot/dts/loongson-2k0500.dtsi b/arch/loongarch/boot/dts/loongson-2k0500.dtsi index 760c60eebb89..588ebc3bded4 100644 --- a/arch/loongarch/boot/dts/loongson-2k0500.dtsi +++ b/arch/loongarch/boot/dts/loongson-2k0500.dtsi @@ -104,7 +104,7 @@ 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 @@ 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 @@ 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>; |