1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2014
4 * NVIDIA Corporation <www.nvidia.com>
5 */
6
7 #include <common.h>
8 #include <dm.h>
9 #include <log.h>
10 #include <power/as3722.h>
11 #include <power/pmic.h>
12
13 #include <asm/arch/gpio.h>
14 #include <asm/arch/pinmux.h>
15
16 #include "pinmux-config-jetson-tk1.h"
17
18 /*
19 * Routine: pinmux_init
20 * Description: Do individual peripheral pinmux configs
21 */
pinmux_init(void)22 void pinmux_init(void)
23 {
24 pinmux_clear_tristate_input_clamping();
25
26 gpio_config_table(jetson_tk1_gpio_inits,
27 ARRAY_SIZE(jetson_tk1_gpio_inits));
28
29 pinmux_config_pingrp_table(jetson_tk1_pingrps,
30 ARRAY_SIZE(jetson_tk1_pingrps));
31
32 pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
33 ARRAY_SIZE(jetson_tk1_drvgrps));
34
35 pinmux_config_mipipadctrlgrp_table(jetson_tk1_mipipadctrlgrps,
36 ARRAY_SIZE(jetson_tk1_mipipadctrlgrps));
37 }
38
39 #ifdef CONFIG_PCI_TEGRA
40 /* TODO: Convert to driver model */
as3722_sd_enable(struct udevice * pmic,unsigned int sd)41 static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
42 {
43 int err;
44
45 if (sd > 6)
46 return -EINVAL;
47
48 err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
49 if (err) {
50 pr_err("failed to update SD control register: %d", err);
51 return err;
52 }
53
54 return 0;
55 }
56
tegra_pcie_board_init(void)57 int tegra_pcie_board_init(void)
58 {
59 struct udevice *dev;
60 int ret;
61
62 ret = uclass_get_device_by_driver(UCLASS_PMIC,
63 DM_DRIVER_GET(pmic_as3722), &dev);
64 if (ret) {
65 debug("%s: Failed to find PMIC\n", __func__);
66 return ret;
67 }
68
69 ret = as3722_sd_enable(dev, 4);
70 if (ret < 0) {
71 pr_err("failed to enable SD4: %d\n", ret);
72 return ret;
73 }
74
75 ret = as3722_sd_set_voltage(dev, 4, 0x24);
76 if (ret < 0) {
77 pr_err("failed to set SD4 voltage: %d\n", ret);
78 return ret;
79 }
80
81 return 0;
82 }
83 #endif /* PCI */
84