88 lines
2.0 KiB
C
88 lines
2.0 KiB
C
/*
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* Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <init.h>
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#include <io.h>
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#include <i2c/i2c.h>
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#include <i2c/i2c-gpio.h>
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#include <mach/rockchip-pll.h>
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#include <mfd/act8846.h>
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static struct i2c_board_info radxa_rock_i2c_devices[] = {
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{
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I2C_BOARD_INFO("act8846", 0x5a)
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},
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};
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static struct i2c_gpio_platform_data i2c_gpio_pdata = {
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.sda_pin = 58,
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.scl_pin = 59,
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.udelay = 5,
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};
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static void radxa_rock_pmic_init(void)
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{
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struct act8846 *pmic;
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pmic = act8846_get();
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if (pmic == NULL)
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return;
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/* Power on ethernet PHY */
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act8846_set_bits(pmic, ACT8846_LDO9_CTRL, BIT(7), BIT(7));
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}
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static int setup_plls(void)
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{
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if (!of_machine_is_compatible("radxa,rock"))
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return 0;
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/* Codec PLL frequency: 594 MHz */
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rk3188_pll_set_parameters(RK3188_CPLL, 2, 198, 4);
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/* General PLL frequency: 300 MHz */
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rk3188_pll_set_parameters(RK3188_GPLL, 1, 50, 4);
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return 0;
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}
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coredevice_initcall(setup_plls);
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static int devices_init(void)
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{
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if (!of_machine_is_compatible("radxa,rock"))
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return 0;
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i2c_register_board_info(0, radxa_rock_i2c_devices,
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ARRAY_SIZE(radxa_rock_i2c_devices));
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add_generic_device_res("i2c-gpio", 0, NULL, 0, &i2c_gpio_pdata);
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radxa_rock_pmic_init();
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/* Set mac_pll divisor to 6 (50MHz output) */
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writel((5 << 8) | (0x1f << 24), 0x20000098);
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return 0;
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}
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device_initcall(devices_init);
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static int hostname_init(void)
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{
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if (!of_machine_is_compatible("radxa,rock"))
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return 0;
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barebox_set_hostname("radxa-rock");
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return 0;
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}
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postcore_initcall(hostname_init);
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