[PATCH v3 5/6] ARM: dts: da850-lego-ev3: Add node for LCD display

David Lechner
2017-08-03T22:34:13Z

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