C++ (Cpp) exynos_pinmux_i2c4 Examples

Example #1

File: mainboard.c Project: 0ida/coreboot

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();
}

Example #2

File: romstage.c Project: AdriDlu/coreboot

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;
}

Example #3

File: romstage.c Project: DarkDefender/coreboot

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");
}

Example #4

File: mainboard.c Project: B-Rich/coreboot

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();
}