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https://github.com/AsahiLinux/u-boot
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f05fa6781a
P2371-0000 is a P2581 or P2530 CPU board married to a P2595 I/O board. The combination contains SoC, DRAM, eMMC, SD card slot, HDMI, USB micro-B port, Ethernet via USB3, USB3 host port, SATA, a GPIO expansion header, and an analog audio jack. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
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* (C) Copyright 2013-2015
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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 <i2c.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/pinmux.h>
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#include "../p2571/max77620_init.h"
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#include "pinmux-config-p2371-0000.h"
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void pin_mux_mmc(void)
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{
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struct udevice *dev;
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uchar val;
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int ret;
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/* Turn on MAX77620 LDO2 to 3.3V for SD card power */
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debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
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ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
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if (ret) {
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printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
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return;
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}
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/* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
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val = 0xF2;
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ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
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if (ret)
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printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
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}
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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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pinmux_clear_tristate_input_clamping();
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gpio_config_table(p2371_0000_gpio_inits,
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ARRAY_SIZE(p2371_0000_gpio_inits));
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pinmux_config_pingrp_table(p2371_0000_pingrps,
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ARRAY_SIZE(p2371_0000_pingrps));
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pinmux_config_drvgrp_table(p2371_0000_drvgrps,
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ARRAY_SIZE(p2371_0000_drvgrps));
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}
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