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https://github.com/brain-hackers/u-boot-brain
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25ab4b0303
Rather than assuming that the chip offset length is 1, allow it to be provided. This allows chips that don't use the default offset length to be used (at present they are only supported by the command line 'i2c' command which sets the offset length explicitly). Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Heiko Schocher <hs@denx.de>
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
/*
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* (C) Copyright 2014
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* Marcel Ziswiler <marcel@ziswiler.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 <dm.h>
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#include <asm/arch/gp_padctrl.h>
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#include <asm/arch/pinmux.h>
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#include <asm/gpio.h>
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#include <i2c.h>
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#include <netdev.h>
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#include "pinmux-config-apalis_t30.h"
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#define PMU_I2C_ADDRESS 0x2D
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#define MAX_I2C_RETRY 3
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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_config_pingrp_table(tegra3_pinmux_common,
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ARRAY_SIZE(tegra3_pinmux_common));
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pinmux_config_pingrp_table(unused_pins_lowpower,
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ARRAY_SIZE(unused_pins_lowpower));
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/* Initialize any non-default pad configs (APB_MISC_GP regs) */
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pinmux_config_drvgrp_table(apalis_t30_padctrl,
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ARRAY_SIZE(apalis_t30_padctrl));
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}
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#ifdef CONFIG_PCI_TEGRA
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int tegra_pcie_board_init(void)
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{
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struct udevice *dev;
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u8 addr, data[1];
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int err;
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err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
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if (err) {
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debug("%s: Cannot find PMIC I2C chip\n", __func__);
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return err;
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}
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/* TPS659110: VDD2_OP_REG = 1.05V */
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data[0] = 0x27;
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addr = 0x25;
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err = dm_i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to set VDD supply\n");
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return err;
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}
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/* TPS659110: VDD2_REG 7.5 mV/us, ACTIVE */
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data[0] = 0x0D;
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addr = 0x24;
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err = dm_i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to enable VDD supply\n");
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return err;
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}
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/* TPS659110: LDO6_REG = 1.1V, ACTIVE */
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data[0] = 0x0D;
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addr = 0x35;
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err = dm_i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to set AVDD supply\n");
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return err;
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}
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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return pci_eth_init(bis);
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}
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#endif /* CONFIG_PCI_TEGRA */
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