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