diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-07-13 13:39:09 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-01-11 21:27:15 +0100 |
| commit | ea16d8f07e828ea00cfac4c07c75f62723ffbb25 (patch) | |
| tree | 840e226d1c33a62886b08502d4b0289f4674870c | |
| parent | 79a4f8aa49492807341adc1e91a82887ec37952a (diff) | |
apalis_t30: enable display driver
Enable the display driver on Apalis T30. Unfortunately the PWM pin
muxing wasn't any good neither which made that display stay dark.
(cherry picked from commit 2da21c1d130fa11a5bd9876c8e72fa0d57585106)
| -rw-r--r-- | arch/arm/dts/tegra30-apalis.dts | 49 | ||||
| -rw-r--r-- | configs/apalis_t30_defconfig | 6 | ||||
| -rw-r--r-- | include/configs/apalis_t30.h | 5 |
3 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/dts/tegra30-apalis.dts b/arch/arm/dts/tegra30-apalis.dts index 9e4ab8c26f..b3eff00bd8 100644 --- a/arch/arm/dts/tegra30-apalis.dts +++ b/arch/arm/dts/tegra30-apalis.dts @@ -59,6 +59,33 @@ }; }; + host1x@50000000 { + dc@54200000 { + rgb { + status = "okay"; + nvidia,panel = <&lcd_panel>; + display-timings { + timing@0 { + /* VESA VGA */ + clock-frequency = <25175000>; + hactive = <640>; + vactive = <480>; + hback-porch = <48>; + hfront-porch = <16>; + hsync-len = <96>; + vback-porch = <31>; + vfront-porch = <11>; + vsync-len = <2>; + }; + }; + }; + }; + }; + + pwm@7000a000 { + status = "okay"; + }; + /* * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier * board) @@ -288,6 +315,18 @@ nvidia,vbus-gpio = <&gpio TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>; }; + backlight: backlight { + compatible = "pwm-backlight"; + + brightness-levels = <255 128 64 32 16 8 4 0>; + default-brightness-level = <6>; + /* BKL1_ON */ + enable-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>; + power-supply = <&sys_3v3_reg>; + /* PWM_BKL1 */ + pwms = <&pwm 0 5000000>; + }; + clocks { compatible = "simple-bus"; #address-cells = <1>; @@ -308,6 +347,16 @@ }; }; + lcd_panel: panel { + /* + * edt,et057090dhu: EDT 5.7" LCD TFT + * edt,et070080dh6: EDT 7.0" LCD TFT + */ + compatible = "edt,et057090dhu", "simple-panel"; + + backlight = <&backlight>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; diff --git a/configs/apalis_t30_defconfig b/configs/apalis_t30_defconfig index cad4b6faca..ce9edb050d 100644 --- a/configs/apalis_t30_defconfig +++ b/configs/apalis_t30_defconfig @@ -44,6 +44,9 @@ CONFIG_PCI=y CONFIG_DM_PCI=y CONFIG_DM_PCI_COMPAT=y CONFIG_PCI_TEGRA=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y +CONFIG_PWM_TEGRA=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y @@ -54,5 +57,8 @@ CONFIG_USB_GADGET_DOWNLOAD=y CONFIG_G_DNL_MANUFACTURER="Toradex" CONFIG_G_DNL_VENDOR_NUM=0x1b67 CONFIG_G_DNL_PRODUCT_NUM=0x4000 +CONFIG_DM_VIDEO=y +CONFIG_VIDEO_TEGRA20=y +CONFIG_CONSOLE_SCROLL_LINES=10 CONFIG_OF_LIBFDT_OVERLAY=y # CONFIG_EFI_LOADER is not set diff --git a/include/configs/apalis_t30.h b/include/configs/apalis_t30.h index a921d62839..fcd230ed75 100644 --- a/include/configs/apalis_t30.h +++ b/include/configs/apalis_t30.h @@ -62,6 +62,11 @@ #define CONFIG_TFTP_BLOCKSIZE 16352 #define CONFIG_TFTP_TSIZE +/* LCD support */ +#define CONFIG_SYS_WHITE_ON_BLACK +#define CONFIG_CMD_BMP +#define CONFIG_LCD_LOGO + /* Miscellaneous commands */ #define CONFIG_FAT_WRITE |