OLinuXino Maxi VGA Output

gistfile1.txt

From 31cb1b7313af40e5bc9d6394d1995e511b739ac0 Mon Sep 17 00:00:00 2001
From: Andrew Rossignol <andrew.rossignol@gmail.com>
Date: Wed, 10 Feb 2016 22:49:21 -0800
Subject: [PATCH] Enables VGA output on olinuxino.

---
 arch/arm/boot/dts/imx23-olinuxino.dts | 38 +++++++++++++++++++++++++++++++++--
 arch/arm/boot/dts/imx23.dtsi          | 29 ++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index a8b1c53..d236d9a 100644
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -67,6 +67,39 @@
 				pinctrl-0 = <&spi2_pins_a>;
 				status = "okay";
 			};
+
+			lcdif@80030000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&lcdif_16bit_pins_a>;
+				display = <&display0>;
+				status = "okay";
+
+				display0: display0 {
+					bits-per-pixel = <16>;
+					bus-width = <16>;
+
+					display-timings {
+						native-mode = <&timing0>;
+						timing0: timing0 {
+							clock-frequency = <25200000>;
+							hactive = <640>;
+							hfront-porch = <16>;
+							hsync-len = <54>;
+							hback-porch = <48>;
+							hsync-active = <0>;
+
+							vactive = <480>;
+							vfront-porch = <10>;
+							vsync-len = <2>;
+							vback-porch = <33>;
+							vsync-active = <0>;
+
+							de-active = <1>;
+							pixelclk-active = <0>;
+						};
+					};
+				};
+			};
 		};
 
 		apbx@80040000 {
@@ -76,7 +109,7 @@
 
 			i2c: i2c@80058000 {
 				pinctrl-names = "default";
-				pinctrl-0 = <&i2c_pins_b>;
+				pinctrl-0 = <&i2c_pins_a>;
 				status = "okay";
 			};
 
@@ -89,7 +122,7 @@
 			auart0: serial@8006c000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&auart0_2pins_a>;
-				status = "okay";
+				status = "disabled";  /* TODO(aarossig): Re-enable me. */
 			};
 
 			usbphy0: usbphy@8007c000 {
@@ -133,4 +166,5 @@
 			gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
 		};
 	};
+
 };
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index 1c6c075..cb2492c 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -259,6 +259,35 @@
 					fsl,pull-up = <MXS_PULL_DISABLE>;
 				};
 
+				lcdif_16bit_pins_a: lcdif-16bit@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						MX23_PAD_LCD_D00__LCD_D00
+						MX23_PAD_LCD_D01__LCD_D01
+						MX23_PAD_LCD_D02__LCD_D02
+						MX23_PAD_LCD_D03__LCD_D03
+						MX23_PAD_LCD_D04__LCD_D04
+						MX23_PAD_LCD_D05__LCD_D05
+						MX23_PAD_LCD_D06__LCD_D06
+						MX23_PAD_LCD_D07__LCD_D07
+						MX23_PAD_GPMI_D00__LCD_D8
+						MX23_PAD_GPMI_D01__LCD_D9
+						MX23_PAD_GPMI_D02__LCD_D10
+						MX23_PAD_GPMI_D03__LCD_D11
+						MX23_PAD_GPMI_D04__LCD_D12
+						MX23_PAD_GPMI_D05__LCD_D13
+						MX23_PAD_GPMI_D06__LCD_D14
+						MX23_PAD_GPMI_D07__LCD_D15
+						MX23_PAD_LCD_DOTCK__LCD_DOTCK
+						MX23_PAD_LCD_ENABLE__LCD_ENABLE
+						MX23_PAD_LCD_HSYNC__LCD_HSYNC
+						MX23_PAD_LCD_VSYNC__LCD_VSYNC
+					>;
+					fsl,drive-strength = <MXS_DRIVE_4mA>;
+					fsl,voltage = <MXS_VOLTAGE_HIGH>;
+					fsl,pull-up = <MXS_PULL_DISABLE>;
+				};
+
 				lcdif_24bit_pins_a: lcdif-24bit@0 {
 					reg = <0>;
 					fsl,pinmux-ids = <
-- 
2.5.0