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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_TEGRA_MMC)
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 */