tegra: enable LCD on PAZ00

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> Signed-off-by: Tom Warren <twarren@nvidia.com>

tegra: enable LCD on PAZ00
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> Signed-off-by: Tom Warren <twarren@nvidia.com>
Marc Dietrich · Tom Warren
1 parent 716d943983
Showing 3 changed files with 58 additions and 0 deletions Side-by-side Diff
board/compal/dts/tegra20-paz00.dts
board/compal/paz00/paz00.c
include/configs/paz00.h
@@ -54,5 +54,37 @@
 	usb@c5004000 {
 		status = "disabled";
 	};
+
+	host1x {
+		status = "okay";
+		dc@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>;
+	};
 };
@@ -71,4 +71,15 @@
 	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
@@ -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
@@ -70,6 +71,20 @@
 /* General networking support */
 #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"
...	...	@@ -54,5 +54,37 @@
54	54	usb@c5004000 {
55	55	status = "disabled";
56	56	};
	57	+
	58	+ host1x {
	59	+ status = "okay";
	60	+ dc@54200000 {
	61	+ status = "okay";
	62	+ rgb {
	63	+ status = "okay";
	64	+ nvidia,panel = <&lcd_panel>;
	65	+ };
	66	+ };
	67	+ };
	68	+
	69	+ lcd_panel: panel {
	70	+ /* PAZ00 has 1024x600 */
	71	+ clock = <54030000>;
	72	+ xres = <1024>;
	73	+ yres = <600>;
	74	+ right-margin = <160>;
	75	+ left-margin = <24>;
	76	+ hsync-len = <136>;
	77	+ upper-margin = <3>;
	78	+ lower-margin = <61>;
	79	+ vsync-len = <6>;
	80	+ hsync-active-high;
	81	+ nvidia,bits-per-pixel = <16>;
	82	+ nvidia,pwm = <&pwm 0 0>;
	83	+ nvidia,backlight-enable-gpios = <&gpio 164 0>; /* PU4 */
	84	+ nvidia,lvds-shutdown-gpios = <&gpio 102 0>; /* PM6 */
	85	+ nvidia,backlight-vdd-gpios = <&gpio 176 0>; /* PW0 */
	86	+ nvidia,panel-vdd-gpios = <&gpio 4 0>; /* PA4 */
	87	+ nvidia,panel-timings = <400 4 203 17 15>;
	88	+ };
57	89	};
...	...	@@ -71,4 +71,15 @@
71	71	return 0;
72	72	}
73	73	#endif
	74	+
	75	+#ifdef CONFIG_LCD
	76	+/* this is a weak define that we are overriding */
	77	+void pin_mux_display(void)
	78	+{
	79	+ debug("init display pinmux\n");
	80	+
	81	+ /* EN_VDD_PANEL GPIO A4 */
	82	+ pinmux_tristate_disable(PINGRP_DAP2);
	83	+}
	84	+#endif
...	...	@@ -36,6 +36,7 @@
36	36	#define CONFIG_MACH_TYPE MACH_TYPE_PAZ00
37	37
38	38	#define CONFIG_BOARD_EARLY_INIT_F
	39	+#define CONFIG_BOARD_LATE_INIT
39	40
40	41	/* SD/MMC */
41	42	#define CONFIG_MMC
...	...	@@ -70,6 +71,20 @@
70	71	/* General networking support */
71	72	#define CONFIG_CMD_NET
72	73	#define CONFIG_CMD_DHCP
	74	+
	75	+#undef TEGRA_DEVICE_SETTINGS
	76	+#define TEGRA_DEVICE_SETTINGS \
	77	+ "stdin=serial\0" \
	78	+ "stdout=serial,lcd\0" \
	79	+ "stderr=serial,lcd\0"
	80	+
	81	+/* LCD support */
	82	+#define CONFIG_LCD
	83	+#define CONFIG_PWM_TEGRA
	84	+#define CONFIG_VIDEO_TEGRA
	85	+#define LCD_BPP LCD_COLOR16
	86	+#define CONFIG_SYS_WHITE_ON_BLACK
	87	+#define CONFIG_CONSOLE_SCROLL_LINES 10
73	88
74	89	#include "tegra-common-post.h"
75	90