// SPDX-License-Identifier: GPL-2.0 /* * Common CPM GPIO wrapper for the CPM GPIO ports * * Author: Christophe Leroy <christophe.leroy@c-s.fr> * * Copyright 2017 CS Systemes d'Information. * */ #include <linux/module.h> #include <linux/of_device.h> #include <asm/cpm.h> #ifdef CONFIG_8xx_GPIO #include <asm/cpm1.h> #endif static int cpm_gpio_probe(struct platform_device *ofdev) { struct device *dev = &ofdev->dev; int (*gp_add)(struct device *dev) = of_device_get_match_data(dev); if (!gp_add) return -ENODEV; return gp_add(dev); } static const struct of_device_id cpm_gpio_match[] = { #ifdef CONFIG_8xx_GPIO { .compatible = "fsl,cpm1-pario-bank-a", .data = cpm1_gpiochip_add16, }, { .compatible = "fsl,cpm1-pario-bank-b", .data = cpm1_gpiochip_add32, }, { .compatible = "fsl,cpm1-pario-bank-c", .data = cpm1_gpiochip_add16, }, { .compatible = "fsl,cpm1-pario-bank-d", .data = cpm1_gpiochip_add16, }, /* Port E uses CPM2 layout */ { .compatible = "fsl,cpm1-pario-bank-e", .data = cpm2_gpiochip_add32, }, #endif { .compatible = "fsl,cpm2-pario-bank", .data = cpm2_gpiochip_add32, }, {}, }; MODULE_DEVICE_TABLE(of, cpm_gpio_match); static struct platform_driver cpm_gpio_driver = { .probe = cpm_gpio_probe, .driver = { .name = "cpm-gpio", .of_match_table = cpm_gpio_match, }, }; static int __init cpm_gpio_init(void) { return platform_driver_register(&cpm_gpio_driver); } arch_initcall(cpm_gpio_init); MODULE_AUTHOR("Christophe Leroy <christophe.leroy@c-s.fr>"); MODULE_DESCRIPTION("Driver for CPM GPIO"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:cpm-gpio");