Enable the display driver on Apalis T30. Unfortunately the PWM pin
muxing wasn't any good neither which made that display stay dark.
Signed-off-by: Marcel Ziswiler <marcel.ziswi...@toradex.com>
---
arch/arm/dts/tegra30-apalis.dts | 29 ++++++++++++++++++++++
.../toradex/apalis_t30/pinmux-config-apalis_t30.h | 9 ++++---
include/configs/apalis_t30.h | 10 ++++++++
3 files changed, 44 insertions(+), 4 deletions(-)
diff --git a/arch/arm/dts/tegra30-apalis.dts b/arch/arm/dts/tegra30-apalis.dts
index 3e0545c..30e7880 100644
--- a/arch/arm/dts/tegra30-apalis.dts
+++ b/arch/arm/dts/tegra30-apalis.dts
@@ -27,6 +27,17 @@
usb2 = "/usb@7d008000";
};
+ host1x {
+ status = "okay";
+ dc@54200000 {
+ status = "okay";
+ rgb {
+ status = "okay";
+ nvidia,panel = <&lcd_panel>;
+ };
+ };
+ };
+
memory {
device_type = "memory";
reg = <0x80000000 0x40000000>;
@@ -287,6 +298,24 @@
nvidia,vbus-gpio = <&gpio TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
};
+ lcd_panel: panel {
+ clock = <25175000>;
+ xres = <640>;
+ yres = <480>;
+ left-margin = <48>; /* horizontal back porch */
+ right-margin = <16>; /* horizontal front porch */
+ hsync-len = <96>;
+ lower-margin = <11>; /* vertical front porch */
+ upper-margin = <31>; /* vertical back porch */
+ vsync-len = <2>;
+ hsync-active-high;
+ vsync-active-high;
+ nvidia,bits-per-pixel = <16>;
+ nvidia,pwm = <&pwm 0 0>;
+ nvidia,backlight-enable-gpios = <&gpio TEGRA_GPIO(V, 2)
GPIO_ACTIVE_HIGH>;
+ nvidia,panel-timings = <0 0 0 0>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
index c988d39..041697e 100644
--- a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
+++ b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014, Marcel Ziswiler
+ * Copyright (c) 2014-2015, Marcel Ziswiler
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -204,7 +204,8 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
DEFAULT_PINMUX(UART2_CTS_N_PJ5, UARTB, DOWN, TRISTATE, OUTPUT), /* NC */
DEFAULT_PINMUX(UART3_TXD_PW6, UARTC, NORMAL, NORMAL, OUTPUT),
DEFAULT_PINMUX(UART3_RXD_PW7, UARTC, NORMAL, NORMAL, INPUT),
- DEFAULT_PINMUX(UART3_CTS_N_PA1, UARTC, NORMAL, NORMAL, INPUT),
+ /* disable BKL1_PWM_EN# (e.g. PMIC PWM backlight enable) for now */
+ DEFAULT_PINMUX(UART3_CTS_N_PA1, RSVD1, UP, NORMAL, OUTPUT),
DEFAULT_PINMUX(UART3_RTS_N_PC0, PWM0, NORMAL, NORMAL, OUTPUT),
DEFAULT_PINMUX(PU0, RSVD1, DOWN, TRISTATE, OUTPUT),
DEFAULT_PINMUX(PU1, RSVD1, DOWN, TRISTATE, OUTPUT),
@@ -221,7 +222,7 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
DEFAULT_PINMUX(CLK3_REQ_PEE1, DEV3, DOWN, TRISTATE, OUTPUT), /* NC */
DEFAULT_PINMUX(GMI_WP_N_PC7, GMI, DOWN, TRISTATE, OUTPUT), /* NC */
DEFAULT_PINMUX(GMI_CS2_N_PK3, RSVD1, DOWN, TRISTATE, OUTPUT), /* NC */
- DEFAULT_PINMUX(GMI_AD8_PH0, PWM0, DOWN, TRISTATE, OUTPUT), /* NC */
+ DEFAULT_PINMUX(GMI_AD8_PH0, RSVD1, DOWN, TRISTATE, OUTPUT), /* NC */
DEFAULT_PINMUX(GMI_AD10_PH2, NAND, DOWN, TRISTATE, OUTPUT), /* NC */
DEFAULT_PINMUX(GMI_A16_PJ7, UARTD, DOWN, TRISTATE, OUTPUT), /* NC */
DEFAULT_PINMUX(GMI_A17_PB0, UARTD, DOWN, TRISTATE, OUTPUT), /* NC */
@@ -331,7 +332,7 @@ static struct pmux_pingrp_config unused_pins_lowpower[] = {
DEFAULT_PINMUX(GMI_AD5_PG5, NAND, DOWN, TRISTATE, OUTPUT),
DEFAULT_PINMUX(GMI_AD6_PG6, NAND, DOWN, TRISTATE, OUTPUT),
DEFAULT_PINMUX(GMI_AD7_PG7, NAND, DOWN, TRISTATE, OUTPUT),
- DEFAULT_PINMUX(GMI_AD9_PH1, PWM1, DOWN, TRISTATE, OUTPUT),
+ DEFAULT_PINMUX(GMI_AD9_PH1, RSVD1, DOWN, TRISTATE, OUTPUT),
DEFAULT_PINMUX(GMI_AD11_PH3, NAND, DOWN, TRISTATE, OUTPUT),
DEFAULT_PINMUX(GMI_AD13_PH5, NAND, DOWN, TRISTATE, OUTPUT),
DEFAULT_PINMUX(GMI_WR_N_PI0, NAND, DOWN, TRISTATE, OUTPUT),
diff --git a/include/configs/apalis_t30.h b/include/configs/apalis_t30.h
index 6c0ae22..b2a695e 100644
--- a/include/configs/apalis_t30.h
+++ b/include/configs/apalis_t30.h
@@ -64,6 +64,16 @@
#define CONFIG_TFTP_BLOCKSIZE 16384
#define CONFIG_TFTP_TSIZE
+/* 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
+#define CONFIG_CMD_BMP
+#define CONFIG_LCD_LOGO
+
/* Miscellaneous commands */
#define CONFIG_FAT_WRITE
--
2.4.3
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