[U-Boot] [PATCH 3/3] tegra: Enable LCD on TEC
Simon Glass
sjg at chromium.org
Wed Nov 28 21:46:26 CET 2012
Hi Thierry,
On Fri, Nov 23, 2012 at 2:58 AM, Thierry Reding
<thierry.reding at avionic-design.de> wrote:
> The TEC ships with a 7" LCD panel that provides a resolution of 800x480
> pixels. Add a corresponding panel description to the device tree and
> enable LCD support in the configuration.
>
> Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
> ---
> board/avionic-design/dts/tegra20-tec.dts | 32 ++++++++++++++++++++++++++++++++
> include/configs/tec.h | 15 ++++++++++++++-
> 2 files changed, 46 insertions(+), 1 deletion(-)
>
> diff --git a/board/avionic-design/dts/tegra20-tec.dts b/board/avionic-design/dts/tegra20-tec.dts
> index 50ea3b5..cdb7527 100644
> --- a/board/avionic-design/dts/tegra20-tec.dts
> +++ b/board/avionic-design/dts/tegra20-tec.dts
> @@ -24,6 +24,19 @@
> };
> };
>
> + host1x {
> + status = "okay";
> +
> + dc at 54200000 {
> + status = "okay";
> +
> + rgb {
> + nvidia,panel = <&lcd_panel>;
> + status = "okay";
> + };
> + };
> + };
> +
> clock at 60006000 {
> clocks = <&clk_32k &osc>;
> };
> @@ -66,4 +79,23 @@
> compatible = "hynix,hy27uf4g2b", "nand-flash";
> };
> };
> +
> + lcd_panel: panel {
> + clock = <33260000>;
> + xres = <800>;
> + yres = <480>;
> + left-margin = <120>;
> + right-margin = <120>;
> + hsync-len = <16>;
> + lower-margin = <15>;
> + upper-margin = <15>;
> + vsync-len = <15>;
> +
> + nvidia,bits-per-pixel = <16>;
> + nvidia,pwm = <&pwm 0 500000>;
> + nvidia,backlight-enable-gpios = <&gpio 13 0>; /* PB5 */
> + nvidia,backlight-vdd-gpios = <&gpio 176 0>; /* PW0 */
> + nvidia,lvds-shutdown-gpios = <&gpio 10 0>; /* PB2 */
> + nvidia,panel-timings = <0 0 0 0>;
> + };
> };
> diff --git a/include/configs/tec.h b/include/configs/tec.h
> index 200cf66..815afa6 100644
> --- a/include/configs/tec.h
> +++ b/include/configs/tec.h
> @@ -36,13 +36,13 @@
> /* High-level configuration options */
> #define V_PROMPT "Tegra20 (TEC) # "
> #define CONFIG_TEGRA_BOARD_STRING "Avionic Design Tamonten Evaluation Carrier"
> -#define CONFIG_SYS_BOARD_ODMDATA 0x2b0d8011
This has an unrelated patch, but I guess that doesn't matter.
>
> /* Board-specific serial config */
> #define CONFIG_TEGRA_ENABLE_UARTD /* UARTD: debug UART */
> #define CONFIG_SYS_NS16550_COM1 NV_PA_APB_UARTD_BASE
>
> #define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_BOARD_LATE_INIT
>
> /* SD/MMC */
> #define CONFIG_MMC
> @@ -85,6 +85,19 @@
> "ext2load mmc 0 0x17000000 /boot/uImage;" \
> "bootm"
>
> +#undef TEGRA_DEVICE_SETTINGS
> +#define TEGRA_DEVICE_SETTINGS \
> + "stdin=serial\0" \
> + "stdout=serial,lcd\0" \
> + "stderr=serial,lcd\0"
> +
> +/* LCD support */
> +#define CONFIG_LCD
> +#define CONFIG_PWM_TEGRA
> +#define CONFIG_VIDEO_TEGRA
> +#define LCD_BPP LCD_COLOR16
> +#define CONFIG_SYS_WHITE_ON_BLACK
> +
> #include "tegra-common-post.h"
>
> #endif /* __CONFIG_H */
> --
> 1.8.0
>
Regards,
Simon
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