ARM: tegra: enable LCD panel on Harmony

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

board/nvidia/dts/tegra20-harmony.dts

@@ -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>;
+	};
 };

board/nvidia/harmony/harmony.c

@@ -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);
+}

include/configs/harmony.h

@@ -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 */