pinctrl-sun55i-a523-r.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Allwinner A523 SoC r-pinctrl driver.
 4 *
 5 * Copyright (C) 2024 Arm Ltd.
 6 */
 7
 8#include <linux/module.h>
 9#include <linux/platform_device.h>
10#include <linux/of.h>
11#include <linux/of_device.h>
12#include <linux/pinctrl/pinctrl.h>
13
14#include "pinctrl-sunxi.h"
15
16static const u8 a523_r_nr_bank_pins[SUNXI_PINCTRL_MAX_BANKS] =
17/*	  PL  PM */
18	{ 14,  6 };
19
20static const unsigned int a523_r_irq_bank_map[] = { 0, 1 };
21
22static const u8 a523_r_irq_bank_muxes[SUNXI_PINCTRL_MAX_BANKS] =
23/*	  PL  PM */
24	{ 14, 14 };
25
26static struct sunxi_pinctrl_desc a523_r_pinctrl_data = {
27	.irq_banks = ARRAY_SIZE(a523_r_irq_bank_map),
28	.irq_bank_map = a523_r_irq_bank_map,
29	.irq_read_needs_mux = true,
30	.io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_SEL,
31	.pin_base = PL_BASE,
32};
33
34static int a523_r_pinctrl_probe(struct platform_device *pdev)
35{
36	return sunxi_pinctrl_dt_table_init(pdev, a523_r_nr_bank_pins,
37					   a523_r_irq_bank_muxes,
38					   &a523_r_pinctrl_data,
39					   SUNXI_PINCTRL_NEW_REG_LAYOUT);
40}
41
42static const struct of_device_id a523_r_pinctrl_match[] = {
43	{ .compatible = "allwinner,sun55i-a523-r-pinctrl", },
44	{}
45};
46
47static struct platform_driver a523_r_pinctrl_driver = {
48	.probe	= a523_r_pinctrl_probe,
49	.driver	= {
50		.name		= "sun55i-a523-r-pinctrl",
51		.of_match_table	= a523_r_pinctrl_match,
52	},
53};
54builtin_platform_driver(a523_r_pinctrl_driver);