Some LCDs require a PMIC to be set up - add a function for this.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v4: None Changes in v3: None Changes in v2: None
arch/arm/include/asm/arch-tegra/sys_proto.h | 8 ++++++++ board/nvidia/common/board.c | 10 ++++++++++ 2 files changed, 18 insertions(+)
diff --git a/arch/arm/include/asm/arch-tegra/sys_proto.h b/arch/arm/include/asm/arch-tegra/sys_proto.h index 914d8b9..83f9f47 100644 --- a/arch/arm/include/asm/arch-tegra/sys_proto.h +++ b/arch/arm/include/asm/arch-tegra/sys_proto.h @@ -17,4 +17,12 @@ void invalidate_dcache(void); */ int tegra_board_id(void);
+/** + * tegra_lcd_pmic_init() - Set up the PMIC for a board + * + * @board_id: Board ID which may be used to select LCD type + * @return 0 if OK, -ve on error + */ +int tegra_lcd_pmic_init(int board_id); + #endif diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index b5a69df..4cc23ef 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -100,6 +100,11 @@ int checkboard(void) } #endif /* CONFIG_DISPLAY_BOARDINFO */
+__weak int tegra_lcd_pmic_init(int board_it) +{ + return 0; +} + /* * Routine: board_init * Description: Early hardware init. @@ -107,6 +112,7 @@ int checkboard(void) int board_init(void) { __maybe_unused int err; + __maybe_unused int board_id;
/* Do clocks and UART first so that printf() works */ clock_init(); @@ -147,6 +153,10 @@ int board_init(void) #endif
#ifdef CONFIG_LCD + board_id = tegra_board_id(); + err = tegra_lcd_pmic_init(board_id); + if (err) + return err; tegra_lcd_check_next_stage(gd->fdt_blob, 0); #endif