[PATCH 2/3] riscv: dts: sophgo: Add spi nor flash controller node

[Kongyang Liu]

Add spi nor flash controller node for cv18xx SoCs

Signed-off-by: Kongyang Liu <seashell11234455 at gmail.com>
---

 arch/riscv/dts/cv1800b-milkv-duo.dts | 13 +++++++++++++
 arch/riscv/dts/cv18xx.dtsi           | 17 +++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/riscv/dts/cv1800b-milkv-duo.dts b/arch/riscv/dts/cv1800b-milkv-duo.dts
index 94e64ddce8..dd2c9cd17c 100644
--- a/arch/riscv/dts/cv1800b-milkv-duo.dts
+++ b/arch/riscv/dts/cv1800b-milkv-duo.dts
@@ -41,6 +41,19 @@
 	no-sdio;
 };
 
+&spif {
+	status = "okay";
+
+	spiflash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <75000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+		m25p,fast-read;
+	};
+}
+
 &uart0 {
 	status = "okay";
 };
diff --git a/arch/riscv/dts/cv18xx.dtsi b/arch/riscv/dts/cv18xx.dtsi
index ec99c4deeb..1623e354df 100644
--- a/arch/riscv/dts/cv18xx.dtsi
+++ b/arch/riscv/dts/cv18xx.dtsi
@@ -52,6 +52,13 @@
 		#clock-cells = <0>;
 	};
 
+	spif_clk: spi-flash-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <300000000>;
+		clock-output-names = "spif_clk";
+		#clock-cells = <0>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -197,6 +204,16 @@
 			status = "disabled";
 		};
 
+		spif: spi-nor at 10000000 {
+			compatible = "sophgo,cv1800b-spif";
+			reg = <0x10000000 0x10000000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&spif_clk>;
+			interrupts = <95 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		plic: interrupt-controller at 70000000 {
 			reg = <0x70000000 0x4000000>;
 			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
-- 
2.41.0