1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Qualcomm qcm2290 pinctrl
4 *
5 * (C) Copyright 2024 Linaro Ltd.
6 *
7 */
8
9#include <dm.h>
10
11#include "pinctrl-qcom.h"
12
13#define MAX_PIN_NAME_LEN 32
14static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
15
16static const struct pinctrl_function msm_pinctrl_functions[] = {
17	{ "qup4", 1 },
18	{ "gpio", 0 },
19};
20
21static const char *qcm2290_get_function_name(struct udevice *dev, unsigned int selector)
22{
23	return msm_pinctrl_functions[selector].name;
24}
25
26static const char *qcm2290_get_pin_name(struct udevice *dev, unsigned int selector)
27{
28	static const char *const special_pins_names[] = {
29		"sdc1_rclk", "sdc1_clk", "sdc1_cmd",  "sdc1_data",
30		"sdc2_clk",  "sdc2_cmd", "sdc2_data",
31	};
32
33	if (selector >= 127 && selector <= 133)
34		snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 127]);
35	else
36		snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
37
38	return pin_name;
39}
40
41static unsigned int qcm2290_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
42{
43	return msm_pinctrl_functions[selector].val;
44}
45
46struct msm_pinctrl_data qcm2290_data = {
47	.pin_data = {
48		.pin_count = 133,
49		.special_pins_start = 127,
50	},
51	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
52	.get_function_name = qcm2290_get_function_name,
53	.get_function_mux = qcm2290_get_function_mux,
54	.get_pin_name = qcm2290_get_pin_name,
55};
56
57static const struct udevice_id msm_pinctrl_ids[] = {
58	{
59		.compatible = "qcom,qcm2290-tlmm",
60		.data = (ulong)&qcm2290_data
61	},
62	{ /* Sentinel */ } };
63
64U_BOOT_DRIVER(pinctrl_qcm2290) = {
65	.name = "pinctrl_qcm2290",
66	.id = UCLASS_NOP,
67	.of_match = msm_pinctrl_ids,
68	.ops = &msm_pinctrl_ops,
69	.bind = msm_pinctrl_bind,
70};
71