[U-Boot] [PATCH 2/2] tegra: enable LCD on PAZ00

Marc Dietrich
2012-11-25T21:26:12Z

This adds LCD panel descriptions to the device tree of PAZ00 and
enables LCD support in the configuration.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
---
board/compal/dts/tegra20-paz00.dts | 32 ++++++++++++++++++++++++++++++++
board/compal/paz00/paz00.c | 11 +++++++++++
include/configs/paz00.h | 15 +++++++++++++++
3 files changed, 58 insertions(+)

diff --git a/board/compal/dts/tegra20-paz00.dts b/board/compal/dts/tegra20-paz00.dts
index 9e3e169..afebbe5 100644
--- a/board/compal/dts/tegra20-paz00.dts
+++ b/board/compal/dts/tegra20-paz00.dts
@@ -54,4 +54,36 @@
usb at c5004000 {
status = "disabled";
};
+
+ host1x {
+ status = "okay";
+ dc at 54200000 {
+ status = "okay";
+ rgb {
+ status = "okay";
+ nvidia,panel = <&lcd_panel>;
+ };
+ };
+ };
+
+ lcd_panel: panel {
+ /* PAZ00 has 1024x600 */
+ clock = <54030000>;
+ xres = <1024>;
+ yres = <600>;
+ right-margin = <160>;
+ left-margin = <24>;
+ hsync-len = <136>;
+ upper-margin = <3>;
+ lower-margin = <61>;
+ vsync-len = <6>;
+ hsync-active-high;
+ nvidia,bits-per-pixel = <16>;
+ nvidia,pwm = <&pwm 0 0>;
+ nvidia,backlight-enable-gpios = <&gpio 164 0>; /* PU4 */
+ nvidia,lvds-shutdown-gpios = <&gpio 102 0>; /* PM6 */
+ nvidia,backlight-vdd-gpios = <&gpio 176 0>; /* PW0 */
+ nvidia,panel-vdd-gpios = <&gpio 4 0>; /* PA4 */
+ nvidia,panel-timings = <400 4 203 17 15>;
+ };
};
diff --git a/board/compal/paz00/paz00.c b/board/compal/paz00/paz00.c
index 6492d41..1447f47 100644
--- a/board/compal/paz00/paz00.c
+++ b/board/compal/paz00/paz00.c
@@ -71,3 +71,14 @@ int board_mmc_init(bd_t *bd)
return 0;
}
#endif
+
+#ifdef CONFIG_LCD
+/* this is a weak define that we are overriding */
+void pin_mux_display(void)
+{
+ debug("init display pinmux\n");
+
+ /* EN_VDD_PANEL GPIO A4 */
+ pinmux_tristate_disable(PINGRP_DAP2);
+}
+#endif
diff --git a/include/configs/paz00.h b/include/configs/paz00.h
index 38c79cf..4a74d00 100644
--- a/include/configs/paz00.h
+++ b/include/configs/paz00.h
@@ -36,6 +36,7 @@
#define CONFIG_MACH_TYPE MACH_TYPE_PAZ00

#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT

/* SD/MMC */
#define CONFIG_MMC
@@ -71,6 +72,20 @@
#define CONFIG_CMD_NET
#define CONFIG_CMD_DHCP

+#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
+#define CONFIG_CONSOLE_SCROLL_LINES 10
+
#include "tegra-common-post.h"

#endif /* __CONFIG_H */
--
1.7.9.5