tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Allwinner A523 SoC pinctrl driver.
4 *
5 * Copyright (C) 2023 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_nr_bank_pins[SUNXI_PINCTRL_MAX_BANKS] =
17/* PA PB PC PD PE PF PG PH PI PJ PK */
18 { 0, 15, 17, 24, 16, 7, 15, 20, 17, 28, 24 };
19
20static const unsigned int a523_irq_bank_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
21
22static const u8 a523_irq_bank_muxes[SUNXI_PINCTRL_MAX_BANKS] =
23/* PA PB PC PD PE PF PG PH PI PJ PK */
24 { 0, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14};
25
26static struct sunxi_pinctrl_desc a523_pinctrl_data = {
27 .irq_banks = ARRAY_SIZE(a523_irq_bank_map),
28 .irq_bank_map = a523_irq_bank_map,
29 .irq_read_needs_mux = true,
30 .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_SEL,
31};
32
33static int a523_pinctrl_probe(struct platform_device *pdev)
34{
35 return sunxi_pinctrl_dt_table_init(pdev, a523_nr_bank_pins,
36 a523_irq_bank_muxes,
37 &a523_pinctrl_data,
38 SUNXI_PINCTRL_NEW_REG_LAYOUT |
39 SUNXI_PINCTRL_ELEVEN_BANKS);
40}
41
42static const struct of_device_id a523_pinctrl_match[] = {
43 { .compatible = "allwinner,sun55i-a523-pinctrl", },
44 {}
45};
46
47static struct platform_driver a523_pinctrl_driver = {
48 .probe = a523_pinctrl_probe,
49 .driver = {
50 .name = "sun55i-a523-pinctrl",
51 .of_match_table = a523_pinctrl_match,
52 },
53};
54builtin_platform_driver(a523_pinctrl_driver);