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 */
pinmux_init(void)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 */
board_sdmmc_voltage_init(void)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 */
pin_mux_mmc(void)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