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 <linux/printk.h>
11#include <power/as3722.h>
12#include <power/pmic.h>
13
14#include <asm/arch/gpio.h>
15#include <asm/arch/pinmux.h>
16
17#include "pinmux-config-jetson-tk1.h"
18
19/*
20 * Routine: pinmux_init
21 * Description: Do individual peripheral pinmux configs
22 */
23void pinmux_init(void)
24{
25	pinmux_clear_tristate_input_clamping();
26
27	gpio_config_table(jetson_tk1_gpio_inits,
28			  ARRAY_SIZE(jetson_tk1_gpio_inits));
29
30	pinmux_config_pingrp_table(jetson_tk1_pingrps,
31				   ARRAY_SIZE(jetson_tk1_pingrps));
32
33	pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
34				   ARRAY_SIZE(jetson_tk1_drvgrps));
35
36	pinmux_config_mipipadctrlgrp_table(jetson_tk1_mipipadctrlgrps,
37					ARRAY_SIZE(jetson_tk1_mipipadctrlgrps));
38}
39
40#ifdef CONFIG_PCI_TEGRA
41/* TODO: Convert to driver model */
42static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
43{
44	int err;
45
46	if (sd > 6)
47		return -EINVAL;
48
49	err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
50	if (err) {
51		pr_err("failed to update SD control register: %d", err);
52		return err;
53	}
54
55	return 0;
56}
57
58int tegra_pcie_board_init(void)
59{
60	struct udevice *dev;
61	int ret;
62
63	ret = uclass_get_device_by_driver(UCLASS_PMIC,
64					  DM_DRIVER_GET(pmic_as3722), &dev);
65	if (ret) {
66		debug("%s: Failed to find PMIC\n", __func__);
67		return ret;
68	}
69
70	ret = as3722_sd_enable(dev, 4);
71	if (ret < 0) {
72		pr_err("failed to enable SD4: %d\n", ret);
73		return ret;
74	}
75
76	ret = as3722_sd_set_voltage(dev, 4, 0x24);
77	if (ret < 0) {
78		pr_err("failed to set SD4 voltage: %d\n", ret);
79		return ret;
80	}
81
82	return 0;
83}
84#endif /* PCI */
85