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