LoongArch: dts: loongson-2k0500: Add nand controller support

The module is supported, 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 018ed904352a738b6dc80ae8849bf0014251119d..7ace54c84244e0802abbca884151423621dde73e 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
@@ -41,6 +41,25 @@
        };
 };
 
+&apbdma0 {
+       status = "okay";
+};
+
+&nand {
+       status = "okay";
+
+       #address-cells = <1>;
+       #size-cells = <0>;
+       nand@0 {
+               reg = <0>;
+               label = "ls2k0500-nand";
+               nand-use-soft-ecc-engine;
+               nand-ecc-algo = "bch";
+               nand-ecc-strength = <8>;
+               nand-ecc-step-size = <512>;
+       };
+};
+
 &apbdma3 {
        status = "okay";
 };

diff --git a/arch/loongarch/boot/dts/loongson-2k0500.dtsi b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
index e759fae77dcf46612bfd6c3ef62302b8c8514e83..1b502064df1100b6ada3e4caf9d834a5a510834d 100644 (file)
--- a/arch/loongarch/boot/dts/loongson-2k0500.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
@@ -84,7 +84,7 @@
                        clock-names = "ref_100m";
                };
 
-               dma-controller@1fe10c00 {
+               apbdma0: dma-controller@1fe10c00 {
                        compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
                        reg = <0 0x1fe10c00 0 0x8>;
                        interrupt-parent = <&eiointc>;
@@ -172,6 +172,16 @@
                        interrupts = <3>;
                };
 
+               nand: nand-controller@1ff58000 {
+                       compatible = "loongson,ls2k0500-nand-controller";
+                       reg = <0 0x1ff58000 0 0x24>,
+                             <0 0x1ff58040 0 0x4>;
+                       reg-names = "nand", "nand-dma";
+                       dmas = <&apbdma0 0>;
+                       dma-names = "rxtx";
+                       status = "disabled";
+               };
+
                pwm@1ff5c000 {
                        compatible = "loongson,ls2k0500-pwm", "loongson,ls7a-pwm";
                        reg = <0x0 0x1ff5c000 0x0 0x10>;