static void gpio_init(void)
{
/* Set up the I2C busses. */
exynos_pinmux_i2c0();
exynos_pinmux_i2c1();
exynos_pinmux_i2c2();
exynos_pinmux_i2c3();
exynos_pinmux_i2c4();
exynos_pinmux_i2c7();
/* Set up the GPIOs used to arbitrate for I2C bus 4. */
gpio_set_pull(GPIO_F03, GPIO_PULL_NONE);
gpio_set_pull(GPIO_E04, GPIO_PULL_NONE);
gpio_direction_output(GPIO_F03, 1);
gpio_direction_input(GPIO_E04);
/* Set up the GPIO used to enable the audio codec. */
gpio_set_pull(GPIO_X17, GPIO_PULL_NONE);
gpio_set_pull(GPIO_X15, GPIO_PULL_NONE);
gpio_direction_output(GPIO_X17, 1);
gpio_direction_output(GPIO_X15, 1);
/* Set up the I2S busses. */
exynos_pinmux_i2s0();
exynos_pinmux_i2s1();
}
static int setup_power(int is_resume)
{
int error = 0;
int i;
power_init();
if (is_resume) {
return 0;
}
/* Initialize I2C bus to configure PMIC. */
exynos_pinmux_i2c4();
i2c_init(PMIC_I2C_BUS, 1000000, 0x00); /* 1MHz */
for (i = 0; i < ARRAY_SIZE(pmic_writes); i++) {
uint8_t data = 0;
uint8_t reg = pmic_writes[i].reg;
if (pmic_writes[i].or_orig)
error |= i2c_readb(4, MAX77802_I2C_ADDR, reg, &data);
data |= pmic_writes[i].val;
error |= i2c_writeb(4, MAX77802_I2C_ADDR, reg, data);
}
return error;
}
static void setup_power(int is_resume)
{
int error = 0;
int i;
power_init();
if (is_resume) {
return;
}
/* Initialize I2C bus to configure PMIC. */
exynos_pinmux_i2c4();
i2c_init(4, I2C_4_SPEED, 0x00);
printk(BIOS_DEBUG, "%s: Setting up PMIC...\n", __func__);
for (i = 0; i < ARRAY_SIZE(pmic_writes); i++) {
uint8_t data = 0;
uint8_t reg = pmic_writes[i].reg;
if (pmic_writes[i].or_orig)
error |= i2c_read(4, MAX77802_I2C_ADDR,
reg, sizeof(reg),
&data, sizeof(data));
data |= pmic_writes[i].val;
error |= i2c_write(4, MAX77802_I2C_ADDR,
reg, sizeof(reg),
&data, sizeof(data));
}
if (error)
die("Failed to intialize PMIC.\n");
}
static void gpio_init(void)
{
/* Set up the I2C busses. */
exynos_pinmux_i2c2();
exynos_pinmux_i2c4();
exynos_pinmux_i2c7();
exynos_pinmux_i2c8();
exynos_pinmux_i2c9();
exynos_pinmux_i2c10();
}
