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 ---
Changes in v4: None Changes in v3: None Changes in v2: None
arch/arm/dts/tegra124-nyan-big.dts | 4 ++++ board/nvidia/nyan-big/nyan-big.c | 34 +++++++++++++++++++++++++++++++++- 2 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/tegra124-nyan-big.dts b/arch/arm/dts/tegra124-nyan-big.dts index c1f35a0..10e1914 100644 --- a/arch/arm/dts/tegra124-nyan-big.dts +++ b/arch/arm/dts/tegra124-nyan-big.dts @@ -308,6 +308,10 @@ }; };
+ gpio@6000d000 { + u-boot,dm-pre-reloc; + }; + gpio-keys { compatible = "gpio-keys";
diff --git a/board/nvidia/nyan-big/nyan-big.c b/board/nvidia/nyan-big/nyan-big.c index d4d2496..ae8874b 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; +}