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>

diff --git a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
index a34734a6c3ce802f0b735c2689212a459a6372f2..018ed904352a738b6dc80ae8849bf0014251119d 100644 (file)
--- 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 760c60eebb896c103abf98d2641e429757140efb..588ebc3bded40f16f4b0794969dc85b10727ff1b 100644 (file)
--- 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>;