[U-Boot] [PATCH 2/3] pico-imx7d: Add LCD support

Otavio Salvador
2018-12-11T18:40:38Z

From: Fabio Estevam <festevam@gmail.com>

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

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---

board/technexion/pico-imx7d/pico-imx7d.c | 55 ++++++++++++++++++++++++
configs/pico-hobbit-imx7d_defconfig | 1 +
configs/pico-imx7d_defconfig | 1 +
configs/pico-pi-imx7d_defconfig | 1 +
include/configs/pico-imx7d.h | 12 ++++++
5 files changed, 70 insertions(+)

diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c
index 53e14693a5..767d13dfe5 100644
--- a/board/technexion/pico-imx7d/pico-imx7d.c
+++ b/board/technexion/pico-imx7d/pico-imx7d.c
@@ -39,8 +39,16 @@ DECLARE_GLOBAL_DATA_PTR;
#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)

+
+#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
+ PAD_CTL_DSE_3P3V_49OHM)
+
+#define LCD_SYNC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
+ PAD_CTL_DSE_3P3V_196OHM)
+
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+
/* I2C4 for PMIC */
static struct i2c_pads_info i2c_pad_info4 = {
.scl = {
@@ -246,11 +254,58 @@ int board_early_init_f(void)
return 0;
}

+#ifdef CONFIG_VIDEO_MXS
+static iomux_v3_cfg_t const lcd_pads[] = {
+ MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL),
+ MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL),
+ MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL),
+ MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_GPIO1_IO06__GPIO1_IO6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX7D_PAD_GPIO1_IO11__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+void setup_lcd(void)
+{
+ imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
+ /* Set Brightness to high */
+ gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
+ /* Set LCD enable to high */
+ gpio_direction_output(IMX_GPIO_NR(1, 6) , 1);
+}
+#endif
+
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

+#ifdef CONFIG_VIDEO_MXS
+ setup_lcd();
+#endif
#ifdef CONFIG_FEC_MXC
setup_fec();
#endif
diff --git a/configs/pico-hobbit-imx7d_defconfig b/configs/pico-hobbit-imx7d_defconfig
index b02cae5237..0095050d43 100644
--- a/configs/pico-hobbit-imx7d_defconfig
+++ b/configs/pico-hobbit-imx7d_defconfig
@@ -57,4 +57,5 @@ CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
+CONFIG_VIDEO=y
CONFIG_OF_LIBFDT=y
diff --git a/configs/pico-imx7d_defconfig b/configs/pico-imx7d_defconfig
index f355f07be7..3c715f743b 100644
--- a/configs/pico-imx7d_defconfig
+++ b/configs/pico-imx7d_defconfig
@@ -57,4 +57,5 @@ CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
+CONFIG_VIDEO=y
CONFIG_OF_LIBFDT=y
diff --git a/configs/pico-pi-imx7d_defconfig b/configs/pico-pi-imx7d_defconfig
index 3a182dcb81..0097c816a4 100644
--- a/configs/pico-pi-imx7d_defconfig
+++ b/configs/pico-pi-imx7d_defconfig
@@ -57,4 +57,5 @@ CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
+CONFIG_VIDEO=y
CONFIG_OF_LIBFDT=y
diff --git a/include/configs/pico-imx7d.h b/include/configs/pico-imx7d.h
index 333c0b49c1..97503a9efb 100644
--- a/include/configs/pico-imx7d.h
+++ b/include/configs/pico-imx7d.h
@@ -64,10 +64,12 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"image=zImage\0" \
+ "splashpos=m,m\0" \
"console=ttymxc4\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "videomode=video=ctfb:x:800,y:480,depth:24,mode:0,pclk:30000,le:46,ri:210,up:22,lo:23,hs:20,vs:10,sync:0,vmode:0\0" \
BOOTMENU_ENV \
"fdt_addr=0x83000000\0" \
"fdt_addr_r=0x83000000\0" \
@@ -131,6 +133,16 @@
#define CONFIG_POWER_PFUZE3000
#define CONFIG_POWER_PFUZE3000_I2C_ADDR 0x08

+#ifdef CONFIG_VIDEO
+#define CONFIG_VIDEO_MXS
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_BMP_16BPP
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_VIDEO_BMP_LOGO
+#endif
+
/* FLASH and environment organization */
#define CONFIG_ENV_SIZE SZ_8K

--
2.20.0