1 /* 2 * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. 3 * 4 * SPDX-License-Identifier: GPL-2.0 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <asm/arch/pinmux.h> 10 #include <asm/arch/gp_padctrl.h> 11 #include "pinmux-config-dalmore.h" 12 #include <i2c.h> 13 14 #define BAT_I2C_ADDRESS 0x48 /* TPS65090 charger */ 15 #define PMU_I2C_ADDRESS 0x58 /* TPS65913 PMU */ 16 17 /* 18 * Routine: pinmux_init 19 * Description: Do individual peripheral pinmux configs 20 */ 21 void pinmux_init(void) 22 { 23 pinmux_config_pingrp_table(tegra114_pinmux_set_nontristate, 24 ARRAY_SIZE(tegra114_pinmux_set_nontristate)); 25 26 pinmux_config_pingrp_table(tegra114_pinmux_common, 27 ARRAY_SIZE(tegra114_pinmux_common)); 28 29 pinmux_config_pingrp_table(unused_pins_lowpower, 30 ARRAY_SIZE(unused_pins_lowpower)); 31 32 /* Initialize any non-default pad configs (APB_MISC_GP regs) */ 33 pinmux_config_drvgrp_table(dalmore_padctrl, 34 ARRAY_SIZE(dalmore_padctrl)); 35 } 36 37 #if defined(CONFIG_MMC_SDHCI_TEGRA) 38 /* 39 * Do I2C/PMU writes to bring up SD card bus power 40 * 41 */ 42 void board_sdmmc_voltage_init(void) 43 { 44 struct udevice *dev; 45 uchar reg, data_buffer[1]; 46 int ret; 47 48 ret = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev); 49 if (ret) { 50 debug("%s: Cannot find PMIC I2C chip\n", __func__); 51 return; 52 } 53 54 /* TPS65913: LDO9_VOLTAGE = 3.3V */ 55 data_buffer[0] = 0x31; 56 reg = 0x61; 57 58 ret = dm_i2c_write(dev, reg, data_buffer, 1); 59 if (ret) 60 printf("%s: PMU i2c_write %02X<-%02X returned %d\n", 61 __func__, reg, data_buffer[0], ret); 62 63 /* TPS65913: LDO9_CTRL = Active */ 64 data_buffer[0] = 0x01; 65 reg = 0x60; 66 67 ret = dm_i2c_write(dev, reg, data_buffer, 1); 68 if (ret) 69 printf("%s: PMU i2c_write %02X<-%02X returned %d\n", 70 __func__, reg, data_buffer[0], ret); 71 72 /* TPS65090: FET6_CTRL = enable output auto discharge, enable FET6 */ 73 data_buffer[0] = 0x03; 74 reg = 0x14; 75 76 ret = i2c_get_chip_for_busnum(0, BAT_I2C_ADDRESS, 1, &dev); 77 if (ret) { 78 debug("%s: Cannot find charger I2C chip\n", __func__); 79 return; 80 } 81 ret = dm_i2c_write(dev, reg, data_buffer, 1); 82 if (ret) 83 printf("%s: BAT i2c_write %02X<-%02X returned %d\n", 84 __func__, reg, data_buffer[0], ret); 85 } 86 87 /* 88 * Routine: pin_mux_mmc 89 * Description: setup the MMC muxes, power rails, etc. 90 */ 91 void pin_mux_mmc(void) 92 { 93 /* 94 * NOTE: We don't do mmc-specific pin muxes here. 95 * They were done globally in pinmux_init(). 96 */ 97 98 /* Bring up the SDIO3 power rail */ 99 board_sdmmc_voltage_init(); 100 } 101 #endif /* MMC */ 102