67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <init.h>
|
|
#include <io.h>
|
|
#include <i2c/i2c.h>
|
|
#include <i2c/i2c-gpio.h>
|
|
#include <mach/rockchip-regs.h>
|
|
#include <mfd/act8846.h>
|
|
#include <asm/armlinux.h>
|
|
|
|
static struct i2c_board_info radxa_rock_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("act8846", 0x5a)
|
|
},
|
|
};
|
|
|
|
static struct i2c_gpio_platform_data i2c_gpio_pdata = {
|
|
.sda_pin = 58,
|
|
.scl_pin = 59,
|
|
.udelay = 5,
|
|
};
|
|
|
|
static void radxa_rock_pmic_init(void)
|
|
{
|
|
struct act8846 *pmic;
|
|
|
|
pmic = act8846_get();
|
|
if (pmic == NULL)
|
|
return;
|
|
|
|
/* Power on ethernet PHY */
|
|
act8846_set_bits(pmic, ACT8846_LDO9_CTRL, BIT(7), BIT(7));
|
|
}
|
|
|
|
static int devices_init(void)
|
|
{
|
|
if (!of_machine_is_compatible("radxa,rock"))
|
|
return 0;
|
|
|
|
i2c_register_board_info(0, radxa_rock_i2c_devices,
|
|
ARRAY_SIZE(radxa_rock_i2c_devices));
|
|
add_generic_device_res("i2c-gpio", 0, NULL, 0, &i2c_gpio_pdata);
|
|
|
|
radxa_rock_pmic_init();
|
|
|
|
armlinux_set_architecture(3066);
|
|
|
|
/* Map SRAM to address 0, kernel relies on this */
|
|
writel((RK_SOC_CON0_REMAP << 16) | RK_SOC_CON0_REMAP,
|
|
RK_GRF_BASE + RK_GRF_SOC_CON0);
|
|
|
|
return 0;
|
|
}
|
|
device_initcall(devices_init);
|