LoongArch: dts: Add SDIO controller support to Loongson-2K1000

The Loongson-2K1000 integrates one SDIO controller for SD storage cards
and SDIO cards.

The module is supported now, enable it.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

Author: AaronDot

arch/loongarch/boot/dts/loongson-2k1000-ref.dts

@@ -48,6 +48,19 @@
 	};
 };
 
+&apbdma1 {
+	status = "okay";
+};
+
+&mmc {
+	status = "okay";
+
+	pinctrl-0 = <&sdio_pins_default>;
+	pinctrl-names = "default";
+	bus-width = <4>;
+	cd-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
+};
+
 &gmac0 {
 	status = "okay";
 

arch/loongarch/boot/dts/loongson-2k1000.dtsi

@@ -187,14 +187,14 @@
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
-				     <>,
-				     <26 IRQ_TYPE_LEVEL_HIGH>,
+				     <0 IRQ_TYPE_NONE>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
+				     <26 IRQ_TYPE_NONE>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
 				     <26 IRQ_TYPE_LEVEL_HIGH>,
@@ -209,13 +209,13 @@
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
-				     <>,
+				     <0 IRQ_TYPE_NONE>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
-				     <>,
-				     <>,
+				     <0 IRQ_TYPE_NONE>,
+				     <0 IRQ_TYPE_NONE>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
 				     <27 IRQ_TYPE_LEVEL_HIGH>,
@@ -256,7 +256,7 @@
 			status = "disabled";
 		};
 
-		dma-controller@1fe00c10 {
+		apbdma1: dma-controller@1fe00c10 {
 			compatible = "loongson,ls2k1000-apbdma";
 			reg = <0x0 0x1fe00c10 0x0 0x8>;
 			interrupt-parent = <&liointc1>;
@@ -405,6 +405,18 @@
 			status = "disabled";
 		};
 
+		mmc: mmc@1fe2c000 {
+			compatible = "loongson,ls2k1000-mmc";
+			reg = <0 0x1fe2c000 0 0x68>,
+			      <0 0x1fe00438 0 0x8>;
+			interrupt-parent = <&liointc0>;
+			interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk LOONGSON2_APB_CLK>;
+			dmas = <&apbdma1 0>;
+			dma-names = "rx-tx";
+			status = "disabled";
+		};
+
 		spi0: spi@1fff0220 {
 			compatible = "loongson,ls2k1000-spi";
 			reg = <0x0 0x1fff0220 0x0 0x10>;