[PATCH v3 3/6] riscv: dts: spacemit: k1-musepi-pro: enable QSPI and add SPI NOR

[Andre Heider]

Add the QSPI controller node and describe the attached SPI NOR flash
(Winbond W25Q64FWSSAQ).

Add a corresponding vendor flash partition layout.

Signed-off-by: Andre Heider <a.heider at gmail.com>
---
 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index 41d7d6d20a797..b0f66f49db4b7 100644
--- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -44,6 +44,15 @@ reg_vcc_4v0: regulator-vcc-4v0 {
 		regulator-boot-on;
 		regulator-always-on;
 	};
+
+	reg_qspi_vcc1v833: regulator-qspi-vcc1v833 {
+		compatible = "regulator-fixed";
+		regulator-name = "QSPI_VCC1833";
+		regulator-min-microvolt = <1833000>;
+		regulator-max-microvolt = <1833000>;
+		regulator-always-on;
+		vin-supply = <&buck4_3v3>;
+	};
 };
 
 &emmc {
@@ -239,6 +248,47 @@ dldo7 {
 	};
 };
 
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qspi_cfg>;
+	status = "okay";
+
+	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <26500000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		vcc-supply = <&reg_qspi_vcc1v833>;
+		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			bootinfo at 0 {
+				reg = <0x0 0x10000>;
+			};
+			private at 10000 {
+				reg = <0x10000 0x10000>;
+			};
+			fsbl at 20000 {
+				reg = <0x20000 0x40000>;
+			};
+			env at 60000 {
+				reg = <0x60000 0x10000>;
+			};
+			opensbi at 70000 {
+				reg = <0x70000 0x30000>;
+			};
+			uboot at a0000 {
+				reg = <0xa0000 0x760000>;
+			};
+		};
+	};
+};
+
 &uart0 {
 	pinctrl-0 = <&uart0_2_cfg>;
 	pinctrl-names = "default";
-- 
2.53.0