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 16 static const u8 a523_r_nr_bank_pins[SUNXI_PINCTRL_MAX_BANKS] = 17 /* PL PM */ 18 { 14, 6 }; 19 20 static const unsigned int a523_r_irq_bank_map[] = { 0, 1 }; 21 22 static const u8 a523_r_irq_bank_muxes[SUNXI_PINCTRL_MAX_BANKS] = 23 /* PL PM */ 24 { 14, 14 }; 25 26 static 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 34 static 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 42 static const struct of_device_id a523_r_pinctrl_match[] = { 43 { .compatible = "allwinner,sun55i-a523-r-pinctrl", }, 44 {} 45 }; 46 47 static 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 }; 54 builtin_platform_driver(a523_r_pinctrl_driver); 55