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  */
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 */
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 
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