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* [PATCH] ARM: dts: imx7d-pico: Add LCD support
@ 2019-10-25  8:22 Joris Offouga
  2019-10-25 13:42 ` Fabio Estevam
  2019-10-25 18:45 ` Marco Felsch
  0 siblings, 2 replies; 6+ messages in thread
From: Joris Offouga @ 2019-10-25  8:22 UTC (permalink / raw)
  To: linux-arm-kernel
  Cc: Mark Rutland,
	open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	Otavio Salvador, Shawn Guo, Sascha Hauer, open list,
	Joris Offouga, Rob Herring, NXP Linux Team,
	Pengutronix Kernel Team, Fabio Estevam

Add support for the VXT VL050-8048NT-C01 panel connected through
the 24 bit parallel LCDIF interface.

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
 arch/arm/boot/dts/imx7d-pico.dtsi | 84 +++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi
index 6f50ebf31a0a..9042b1e6f1db 100644
--- a/arch/arm/boot/dts/imx7d-pico.dtsi
+++ b/arch/arm/boot/dts/imx7d-pico.dtsi
@@ -69,6 +69,37 @@
 		clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
 		clock-names = "ext_clock";
 	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_backlight>;
+		pwms = <&pwm4 0 50000 0>;
+		brightness-levels = <0 36 72 108 144 180 216 255>;
+		default-brightness-level = <6>;
+		status = "okay";
+	};
+
+	reg_lcd_3v3: regulator-lcd-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	panel {
+		compatible = "vxt,vl050-8048nt-c01";
+		backlight = <&backlight>;
+		power-supply = <&reg_lcd_3v3>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&display_out>;
+			};
+		};
+	};
 };
 
 &clks {
@@ -230,6 +261,18 @@
 	};
 };
 
+&lcdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif>;
+	status = "okay";
+
+	port {
+		display_out: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
 &sai1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai1>;
@@ -349,6 +392,13 @@
 };
 
 &iomuxc {
+
+	pinctrl_backlight: backlight {
+		fsl,pins = <
+			MX7D_PAD_GPIO1_IO11__PWM4_OUT		0x0
+		>;
+	};
+
 	pinctrl_ecspi3: ecspi3grp {
 		fsl,pins = <
 			MX7D_PAD_I2C1_SCL__ECSPI3_MISO		0x2
@@ -413,6 +463,40 @@
 		>;
 	};
 
+	pinctrl_lcdif: lcdifgrp {
+		fsl,pins = <
+			MX7D_PAD_LCD_DATA00__LCD_DATA0		0x79
+			MX7D_PAD_LCD_DATA01__LCD_DATA1		0x79
+			MX7D_PAD_LCD_DATA02__LCD_DATA2		0x79
+			MX7D_PAD_LCD_DATA03__LCD_DATA3		0x79
+			MX7D_PAD_LCD_DATA04__LCD_DATA4		0x79
+			MX7D_PAD_LCD_DATA05__LCD_DATA5		0x79
+			MX7D_PAD_LCD_DATA06__LCD_DATA6		0x79
+			MX7D_PAD_LCD_DATA07__LCD_DATA7		0x79
+			MX7D_PAD_LCD_DATA08__LCD_DATA8		0x79
+			MX7D_PAD_LCD_DATA09__LCD_DATA9		0x79
+			MX7D_PAD_LCD_DATA10__LCD_DATA10		0x79
+			MX7D_PAD_LCD_DATA11__LCD_DATA11		0x79
+			MX7D_PAD_LCD_DATA12__LCD_DATA12		0x79
+			MX7D_PAD_LCD_DATA13__LCD_DATA13		0x79
+			MX7D_PAD_LCD_DATA14__LCD_DATA14		0x79
+			MX7D_PAD_LCD_DATA15__LCD_DATA15		0x79
+			MX7D_PAD_LCD_DATA16__LCD_DATA16		0x79
+			MX7D_PAD_LCD_DATA17__LCD_DATA17		0x79
+			MX7D_PAD_LCD_DATA18__LCD_DATA18		0x79
+			MX7D_PAD_LCD_DATA19__LCD_DATA19		0x79
+			MX7D_PAD_LCD_DATA20__LCD_DATA20		0x79
+			MX7D_PAD_LCD_DATA21__LCD_DATA21		0x79
+			MX7D_PAD_LCD_DATA22__LCD_DATA22		0x79
+			MX7D_PAD_LCD_DATA23__LCD_DATA23		0x79
+			MX7D_PAD_LCD_CLK__LCD_CLK		0x79
+			MX7D_PAD_LCD_ENABLE__LCD_ENABLE		0x78
+			MX7D_PAD_LCD_VSYNC__LCD_VSYNC		0x78
+			MX7D_PAD_LCD_HSYNC__LCD_HSYNC		0x78
+			MX7D_PAD_LCD_RESET__GPIO3_IO4		0x14
+		>;
+	};
+
 	pinctrl_pwm1: pwm1 {
 		fsl,pins = <
 			MX7D_PAD_GPIO1_IO08__PWM1_OUT   0x7f
-- 
2.17.1


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Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-25  8:22 [PATCH] ARM: dts: imx7d-pico: Add LCD support Joris Offouga
2019-10-25 13:42 ` Fabio Estevam
2019-10-25 18:45 ` Marco Felsch
2019-10-25 21:16   ` Joris Offouga
2019-10-26 19:20     ` Fabio Estevam
2019-10-26 20:29       ` Joris Offouga

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