diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-04-27 16:11:32 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-04-27 16:11:32 +0200 |
| commit | b8fd3a6dc54188208249b4e5c7d6c05fcafd5900 (patch) | |
| tree | e09d0338c5817c374cc422628e20a748ed8cff36 | |
| parent | 7dcf1584f72dc1533db33f233ee9548735eb69e6 (diff) | |
colibri_t20: add LCD display support
Add LCD display support defaulting to VESA VGA resolution. Different
resolutions configurable via device-tree.
| -rw-r--r-- | arch/arm/dts/tegra20-colibri.dts | 29 | ||||
| -rw-r--r-- | board/toradex/colibri_t20/colibri_t20.c | 18 | ||||
| -rw-r--r-- | include/configs/colibri_t20.h | 10 |
3 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/dts/tegra20-colibri.dts b/arch/arm/dts/tegra20-colibri.dts index 257ca276f9..ae40bad9ff 100644 --- a/arch/arm/dts/tegra20-colibri.dts +++ b/arch/arm/dts/tegra20-colibri.dts @@ -17,6 +17,17 @@ sdhci0 = "/sdhci@c8000600"; }; + host1x { + status = "okay"; + dc@54200000 { + status = "okay"; + rgb { + status = "okay"; + nvidia,panel = <&lcd_panel>; + }; + }; + }; + usb@c5000000 { dr_mode = "otg"; }; @@ -46,4 +57,22 @@ cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; bus-width = <4>; }; + + lcd_panel: panel { + clock = <25175000>; + xres = <640>; + yres = <480>; + left-margin = <48>; /* horizontal back porch */ + right-margin = <16>; /* horizontal front porch */ + hsync-len = <96>; + lower-margin = <11>; /* vertical front porch */ + upper-margin = <31>; /* vertical back porch */ + vsync-len = <2>; + hsync-active-high; + vsync-active-high; + nvidia,bits-per-pixel = <16>; + nvidia,pwm = <&pwm 2 0>; + nvidia,backlight-enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>; + nvidia,panel-timings = <0 0 0 0>; + }; }; diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c index 8ae9ccf538..cf57650cbd 100644 --- a/board/toradex/colibri_t20/colibri_t20.c +++ b/board/toradex/colibri_t20/colibri_t20.c @@ -63,3 +63,21 @@ void pin_mux_usb(void) pinmux_tristate_disable(PMUX_PINGRP_SPIG); } #endif + +#ifdef CONFIG_VIDEO_TEGRA +/* + * Routine: pin_mux_display + * Description: setup the pin muxes/tristate values for the LCD interface) + */ +void pin_mux_display(void) +{ + /* + * Manually untristate BL_ON (PT4 - SODIMM 71) as specified through + * device-tree + */ + pinmux_tristate_disable(PMUX_PINGRP_DTA); + + pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_PWM); + pinmux_tristate_disable(PMUX_PINGRP_SDC); +} +#endif diff --git a/include/configs/colibri_t20.h b/include/configs/colibri_t20.h index c17f245a17..eac403e0dd 100644 --- a/include/configs/colibri_t20.h +++ b/include/configs/colibri_t20.h @@ -44,6 +44,16 @@ #define CONFIG_CMD_NET #define CONFIG_CMD_DHCP +/* LCD support */ +#define CONFIG_LCD +#define CONFIG_PWM_TEGRA +#define CONFIG_VIDEO_TEGRA +#define LCD_BPP LCD_COLOR16 +#define CONFIG_SYS_WHITE_ON_BLACK +#define CONFIG_CONSOLE_SCROLL_LINES 10 +#define CONFIG_CMD_BMP +#define CONFIG_LCD_LOGO + /* NAND support */ #define CONFIG_CMD_NAND #define CONFIG_TEGRA_NAND |