tegra: display: add board pinmux

Boards may require a different pinmux setup for DISPALY than the default one.
Add a way to call into board specific code to set this up.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>

diff --git a/arch/arm/include/asm/arch-tegra/board.h b/arch/arm/include/asm/arch-tegra/board.h
index be6bf25f0bfc8e78162fcf8d6eb7060e986544cf..3db0d93b89a31dd60ac0464f0fea6d7fd7fe67c6 100644 (file)
--- a/arch/arm/include/asm/arch-tegra/board.h
+++ b/arch/arm/include/asm/arch-tegra/board.h
@@ -41,8 +41,9 @@ void gpio_early_init(void);  /* overrideable GPIO config        */
  * an empty stub function will be called.
  */
 
-void pin_mux_usb(void);      /* overrideable USB pinmux setup   */
-void pin_mux_spi(void);      /* overrideable SPI pinmux setup   */
-void pin_mux_nand(void);     /* overrideable NAND pinmux setup  */
+void pin_mux_usb(void);      /* overrideable USB pinmux setup     */
+void pin_mux_spi(void);      /* overrideable SPI pinmux setup     */
+void pin_mux_nand(void);     /* overrideable NAND pinmux setup    */
+void pin_mux_display(void);  /* overrideable DISPLAY pinmux setup */
 
 #endif

diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index 76ec6876e21b51d4ea4da512109c2fc76215cfc1..819c1204666ecb38a175a459631ced09d3a4bacd 100644 (file)
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -87,6 +87,12 @@ void __pin_mux_nand(void)
 
 void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
 
+void __pin_mux_display(void)
+{
+}
+
+void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
+
 /*
  * Routine: power_det_init
  * Description: turn off power detects
@@ -126,6 +132,7 @@ int board_init(void)
                debug("%s: Failed to init pwm\n", __func__);
 #endif
 #ifdef CONFIG_LCD
+       pin_mux_display();
        tegra_lcd_check_next_stage(gd->fdt_blob, 0);
 #endif
        /* boot param addr */