From: Binbin Zhou <zhoubinbin@loongson.cn>
Date: Tue, 5 Aug 2025 11:00:22 +0000 (+0800)
Subject: LoongArch: dts: Add eMMC/SDIO controller support to Loongson-2K2000
X-Git-Tag: v6.17-rc1~29^2~1
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=d3eece04f3021a782f02fb435c32142d130d5585;p=thirdparty%2Fkernel%2Fstable.git

LoongArch: dts: Add eMMC/SDIO controller support to Loongson-2K2000

The Loongson-2K2000 integrates one eMMC controller and one SDIO controller.

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-2k2000-ref.dts b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
index ea9e6985d0e9..3c6b12220386 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts
@@ -39,6 +39,16 @@
 	};
 };
 
+&emmc {
+	status = "okay";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	no-sd;
+	no-sdio;
+};
+
 &sata {
 	status = "okay";
 };
diff --git a/arch/loongarch/boot/dts/loongson-2k2000.dtsi b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
index 9e0411f2754c..00cc485b753b 100644
--- a/arch/loongarch/boot/dts/loongson-2k2000.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k2000.dtsi
@@ -259,6 +259,24 @@
 			status = "disabled";
 		};
 
+		emmc: mmc@79990000 {
+			compatible = "loongson,ls2k2000-mmc";
+			reg = <0x0 0x79990000 0x0 0x1000>;
+			interrupt-parent = <&pic>;
+			interrupts = <51 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk LOONGSON2_EMMC_CLK>;
+			status = "disabled";
+		};
+
+		mmc@79991000 {
+			compatible = "loongson,ls2k2000-mmc";
+			reg = <0x0 0x79991000 0x0 0x1000>;
+			interrupt-parent = <&pic>;
+			interrupts = <50 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk LOONGSON2_EMMC_CLK>;
+			status = "disabled";
+		};
+
 		pcie@1a000000 {
 			compatible = "loongson,ls2k-pci";
 			reg = <0x0 0x1a000000 0x0 0x02000000>,