[PATCH 16/18] arch: arm: dts: imxrt1050-evk: add lcdif node

[PATCH 16/18] arch: arm: dts: imxrt1050-evk: add lcdif node

[Giulio Benetti]

Add lcdif node and its pinctrl.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 arch/arm/dts/imxrt1050-evk.dts | 57 ++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm/dts/imxrt1050-evk.dts b/arch/arm/dts/imxrt1050-evk.dts
index 56b75986e2..f3e3baa6dc 100644
--- a/arch/arm/dts/imxrt1050-evk.dts
+++ b/arch/arm/dts/imxrt1050-evk.dts
@@ -185,6 +185,33 @@
 					0x17061
 			>;
 		};
+
+		pinctrl_lcdif: lcdifgrp {
+			u-boot,dm-spl;
+			fsl,pins = <
+				MXRT1050_IOMUXC_GPIO_B0_00_LCD_CLK		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_01_LCD_ENABLE		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_02_LCD_HSYNC		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_03_LCD_VSYNC		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_04_LCD_DATA00		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_05_LCD_DATA01		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_06_LCD_DATA02		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_07_LCD_DATA03		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_08_LCD_DATA04		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_09_LCD_DATA05		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_10_LCD_DATA06		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_11_LCD_DATA07		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_12_LCD_DATA08		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_13_LCD_DATA09		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_14_LCD_DATA10		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B0_15_LCD_DATA11		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B1_01_LCD_DATA13		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B1_02_LCD_DATA14		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B1_03_LCD_DATA15		0x1b0b1
+				MXRT1050_IOMUXC_GPIO_B1_15_GPIO2_IO31		0x0b069
+				MXRT1050_IOMUXC_GPIO_AD_B0_02_GPIO1_IO02	0x0b069
+			>;
+		};
 	};
 };
 
@@ -198,3 +225,33 @@
 
 	cd-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
 };
+
+&lcdif {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lcdif>;
+	display = <&display0>;
+	status = "okay";
+
+	display0: display0 {
+		bits-per-pixel = <16>;
+		bus-width = <16>;
+
+		display-timings {
+			timing0: timing0 {
+				clock-frequency = <9300000>;
+				hactive = <480>;
+				vactive = <272>;
+				hback-porch = <4>;
+				hfront-porch = <8>;
+				vback-porch = <4>;
+				vfront-porch = <8>;
+				hsync-len = <41>;
+				vsync-len = <10>;
+				de-active = <1>;
+				pixelclk-active = <0>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+			};
+		};
+	};
+};
-- 
2.20.1

[PATCH 17/18] configs: imxrt1050-evk: enable video support/console

[Giulio Benetti]

Enable DM_VIDEO subsystem and its BACKLIGHT_GPIO. Then enable
SYS_WHITE_ON_BLACK to have classic black background on display. Need
also to enable CONFIG_SYS_CONSOLE_ENV_OVERWRITE to retrieve
stdin/stdout/stderr from CONFIG_EXTRA_ENV_SETTINGS.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 configs/imxrt1050-evk_defconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configs/imxrt1050-evk_defconfig b/configs/imxrt1050-evk_defconfig
index 71970552c0..810f391fdc 100644
--- a/configs/imxrt1050-evk_defconfig
+++ b/configs/imxrt1050-evk_defconfig
@@ -17,6 +17,7 @@ CONFIG_SPL_TEXT_BASE=0x20209000
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SD_BOOT=y
 # CONFIG_USE_BOOTCOMMAND is not set
+CONFIG_SYS_CONSOLE_ENV_OVERWRITE=y
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_SPL_BOARD_INIT=y
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
@@ -62,6 +63,9 @@ CONFIG_IMXRT_SDRAM=y
 CONFIG_FSL_LPUART=y
 CONFIG_TIMER=y
 CONFIG_SPL_TIMER=y
+CONFIG_DM_VIDEO=y
+CONFIG_BACKLIGHT_GPIO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_SHA1=y
 CONFIG_SHA256=y
 CONFIG_HEXDUMP=y
-- 
2.20.1

[PATCH 18/18] configs: imxrt1050-evk: temporary disable DCACHE

[Giulio Benetti]

mxsfb needs a dcache function not implemented in cortex-M7, so for the
moment let's keep dcache not enabled.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 configs/imxrt1050-evk_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configs/imxrt1050-evk_defconfig b/configs/imxrt1050-evk_defconfig
index 810f391fdc..25d0ba191c 100644
--- a/configs/imxrt1050-evk_defconfig
+++ b/configs/imxrt1050-evk_defconfig
@@ -1,4 +1,6 @@
 CONFIG_ARM=y
+CONFIG_SYS_DCACHE_OFF=y
+# CONFIG_SPL_SYS_DCACHE_OFF is not set
 CONFIG_ARCH_IMXRT=y
 CONFIG_SYS_TEXT_BASE=0x80002000
 CONFIG_SPL_GPIO_SUPPORT=y
-- 
2.20.1