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https://github.com/brain-hackers/u-boot-brain
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0deba29c20
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>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/*
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* (C) Copyright 2014
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* NVIDIA Corporation <www.nvidia.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <errno.h>
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#include <asm/gpio.h>
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#include <asm/arch/pinmux.h>
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#include <power/as3722.h>
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#include <power/pmic.h>
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#include "pinmux-config-nyan-big.h"
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/*
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* Routine: pinmux_init
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* Description: Do individual peripheral pinmux configs
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*/
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void pinmux_init(void)
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{
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gpio_config_table(nyan_big_gpio_inits,
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ARRAY_SIZE(nyan_big_gpio_inits));
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pinmux_config_pingrp_table(nyan_big_pingrps,
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ARRAY_SIZE(nyan_big_pingrps));
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pinmux_config_drvgrp_table(nyan_big_drvgrps,
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ARRAY_SIZE(nyan_big_drvgrps));
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}
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int tegra_board_id(void)
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{
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static const int vector[] = {GPIO_PQ3, GPIO_PT1, GPIO_PX1,
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GPIO_PX4, -1};
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gpio_claim_vector(vector, "board_id%d");
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return gpio_get_values_as_int(vector);
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}
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int tegra_lcd_pmic_init(int board_id)
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{
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struct udevice *pmic;
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int ret;
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ret = as3722_get(&pmic);
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if (ret)
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return -ENOENT;
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if (board_id == 0)
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as3722_write(pmic, 0x00, 0x3c);
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else
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as3722_write(pmic, 0x00, 0x50);
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as3722_write(pmic, 0x12, 0x10);
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as3722_write(pmic, 0x0c, 0x07);
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as3722_write(pmic, 0x20, 0x10);
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return 0;
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}
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