[PATCH v3 6/6] arm64: dts: qcom: ipq5424: configure spi4 node for rdp466

[Manikanta Mylavarapu]

Enable the SPI4 node and configure the associated gpio pins.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>
---
Changes in V3:
	- Replace spi0 with spi4 in all applicable places such as
	  tlmm pin names, commit message, heading and dt node name.

 arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 43 +++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
index d4d31026a026..1e7c7f73b21e 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
+++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
@@ -23,6 +23,36 @@ &sleep_clk {
 };
 
 &tlmm {
+	spi4_default_state: spi4-default-state {
+		clk-pins {
+			pins = "gpio6";
+			function = "spi4_clk";
+			drive-strength = <8>;
+			bias-pull-down;
+		};
+
+		cs-pins {
+			pins = "gpio7";
+			function = "spi4_cs";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		miso-pins {
+			pins = "gpio8";
+			function = "spi4_miso";
+			drive-strength = <8>;
+			bias-pull-down;
+		};
+
+		mosi-pins {
+			pins = "gpio9";
+			function = "spi4_mosi";
+			drive-strength = <8>;
+			bias-pull-down;
+		};
+	};
+
 	sdc_default_state: sdc-default-state {
 		clk-pins {
 			pins = "gpio5";
@@ -57,3 +87,16 @@ &xo_board {
 	clock-frequency = <24000000>;
 };
 
+&spi4 {
+	pinctrl-0 = <&spi4_default_state>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash@0 {
+		compatible = "micron,n25q128a11", "jedec,spi-nor";
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		spi-max-frequency = <50000000>;
+	};
+};
-- 
2.34.1