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ARM: tegra: enable LCD panel on Harmony

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Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Stephen Warren 2013-06-18 09:46:51 -06:00 • committed by Tom Warren
parent d6cf707e81
commit b46694df84
3 changed files with 48 additions and 0 deletions
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32
board/nvidia/dts/tegra20-harmony.dts
View file

@ -17,6 +17,17 @@
reg = <0x00000000 0x40000000>;
};
host1x {
status = "okay";
dc@54200000 {
status = "okay";
rgb {
status = "okay";
nvidia,panel = <&lcd_panel>;
};
};
};
serial@70006300 {
clock-frequency = < 216000000 >;
};
@ -70,4 +81,25 @@
power-gpios = <&gpio 70 0>; /* gpio PI6 */
bus-width = <8>;
};
lcd_panel: panel {
clock = <42430000>;
xres = <1024>;
yres = <600>;
left-margin = <138>;
right-margin = <34>;
hsync-len = <136>;
lower-margin = <4>;
upper-margin = <21>;
vsync-len = <4>;
hsync-active-high;
vsyncx-active-high;
nvidia,bits-per-pixel = <16>;
nvidia,pwm = <&pwm 0 0>;
nvidia,backlight-enable-gpios = <&gpio 13 0>; /* PB5 */
nvidia,lvds-shutdown-gpios = <&gpio 10 0>; /* PB2 */
nvidia,backlight-vdd-gpios = <&gpio 176 0>; /* PW0 */
nvidia,panel-vdd-gpios = <&gpio 22 0>; /* PC6 */
nvidia,panel-timings = <0 0 200 0 0>;
};
};

7
board/nvidia/harmony/harmony.c
View file

@ -22,6 +22,7 @@
*/
#include <common.h>
#include <lcd.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/funcmux.h>
@ -59,3 +60,9 @@ void pin_mux_usb(void)
/* USB2 PHY reset GPIO */
pinmux_tristate_disable(PINGRP_UAC);
}
void pin_mux_display(void)
{
pinmux_set_func(PINGRP_SDC, PMUX_FUNC_PWM);
pinmux_tristate_disable(PINGRP_SDC);
}

9
include/configs/harmony.h
View file

@ -49,6 +49,7 @@
#define CONFIG_MACH_TYPE MACH_TYPE_HARMONY
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_LATE_INIT /* Make sure LCD init is complete */
/* SD/MMC */
#define CONFIG_MMC
@ -83,6 +84,14 @@
#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
#include "tegra-common-post.h"
#endif /* __CONFIG_H */