2 * (C) Copyright 2013-2015
3 * NVIDIA Corporation <www.nvidia.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/gpio.h>
11 #include <asm/arch/pinmux.h>
13 #include "max77620_init.h"
14 #include <asm/arch-tegra/gpu.h>
15 #include "pinmux-config-p2571.h"
17 void pin_mux_mmc(void)
23 /* Turn on MAX77620 LDO2 to 3.3V for SD card power */
24 debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
25 ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
27 printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
30 /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
32 ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
34 printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
38 * Routine: pinmux_init
39 * Description: Do individual peripheral pinmux configs
41 void pinmux_init(void)
43 pinmux_clear_tristate_input_clamping();
45 gpio_config_table(p2571_gpio_inits,
46 ARRAY_SIZE(p2571_gpio_inits));
48 pinmux_config_pingrp_table(p2571_pingrps,
49 ARRAY_SIZE(p2571_pingrps));
51 pinmux_config_drvgrp_table(p2571_drvgrps,
52 ARRAY_SIZE(p2571_drvgrps));
56 * Routine: start_cpu_fan
57 * Description: Enable/start PWM CPU fan on P2571
59 void start_cpu_fan(void)
61 /* GPIO_PE4 is PS_VDD_FAN_ENABLE */
62 gpio_request(GPIO_PE4, "FAN_VDD");
63 gpio_direction_output(GPIO_PE4, 1);
66 int ft_board_setup(void *blob, bd_t *bd)
68 gpu_enable_node(blob, "/gpu@0,57000000");