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[PATCH v2 3/4] ARM: dts: da850-lego-ev3: Add node for LCD display

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  [PATCH v2 3/4] ARM: dts: da850-lego-ev3: Add node for LCD display David Lechner <david@lechnology.com> - 2017-08-02 00:20 +0200

#1701540 — [PATCH v2 3/4] ARM: dts: da850-lego-ev3: Add node for LCD display

This adds a new node for the LEGO MINDSTORMS EV3 LCD display.

Signed-off-by: David Lechner <david@lechnology.com>
---
 arch/arm/boot/dts/da850-lego-ev3.dts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts
index 45983c0..249b317 100644
--- a/arch/arm/boot/dts/da850-lego-ev3.dts
+++ b/arch/arm/boot/dts/da850-lego-ev3.dts
@@ -249,6 +249,15 @@
 			0x4c 0x00000080 0x000000f0
 		>;
 	};
+
+	ev3_lcd_pins: pinmux_lcd {
+		pinctrl-single,bits = <
+			/* SIMO, GP2[11], GP2[12], CLK */
+			0x14 0x00188100 0x00ffff00
+			/* GP5[0] */
+			0x30 0x80000000 0xf0000000
+		>;
+	};
 };
 
 &pinconf {
@@ -357,6 +366,21 @@
 	};
 };
 
+&spi1 {
+	status = "okay";
+	pinctrl-0 = <&ev3_lcd_pins>;
+	pinctrl-names = "default";
+	cs-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+
+	display@0{
+		compatible = "lego,ev3-lcd";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+		dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>;
+	};
+};
+
 &ehrpwm0 {
 	status = "okay";
 };
-- 
2.7.4

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