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