diff options
| author | Simon Glass <sjg@chromium.org> | 2015-04-14 21:03:29 -0600 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2015-05-13 09:24:08 -0700 |
| commit | 0deba29c202695f3e166256d87515b99b74adc8e (patch) | |
| tree | 2a3452b2f32535eba1687e6d3f8bd0eb3e86f7d9 /board/nvidia/nyan-big/nyan-big.c | |
| parent | 346451b5888c4663bccef4c5203357319aa41f99 (diff) | |
tegra: nyan-big: Add LCD PMIC init and board ID
Add required setup for the LCD display, and a function to provide the
board ID. This requires GPIOs to be available prior to relocation.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'board/nvidia/nyan-big/nyan-big.c')
| -rw-r--r-- | board/nvidia/nyan-big/nyan-big.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/board/nvidia/nyan-big/nyan-big.c b/board/nvidia/nyan-big/nyan-big.c index d4d2496639..ae8874bbd2 100644 --- a/board/nvidia/nyan-big/nyan-big.c +++ b/board/nvidia/nyan-big/nyan-big.c @@ -6,8 +6,11 @@ */ #include <common.h> -#include <asm/arch/gpio.h> +#include <errno.h> +#include <asm/gpio.h> #include <asm/arch/pinmux.h> +#include <power/as3722.h> +#include <power/pmic.h> #include "pinmux-config-nyan-big.h" /* @@ -25,3 +28,32 @@ void pinmux_init(void) pinmux_config_drvgrp_table(nyan_big_drvgrps, ARRAY_SIZE(nyan_big_drvgrps)); } + +int tegra_board_id(void) +{ + static const int vector[] = {GPIO_PQ3, GPIO_PT1, GPIO_PX1, + GPIO_PX4, -1}; + + gpio_claim_vector(vector, "board_id%d"); + return gpio_get_values_as_int(vector); +} + +int tegra_lcd_pmic_init(int board_id) +{ + struct udevice *pmic; + int ret; + + ret = as3722_get(&pmic); + if (ret) + return -ENOENT; + + if (board_id == 0) + as3722_write(pmic, 0x00, 0x3c); + else + as3722_write(pmic, 0x00, 0x50); + as3722_write(pmic, 0x12, 0x10); + as3722_write(pmic, 0x0c, 0x07); + as3722_write(pmic, 0x20, 0x10); + + return 0; +} |