From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpio/gpio-iop.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 drivers/gpio/gpio-iop.c (limited to 'drivers/gpio/gpio-iop.c') diff --git a/drivers/gpio/gpio-iop.c b/drivers/gpio/gpio-iop.c new file mode 100644 index 000000000..7390b5ca0 --- /dev/null +++ b/drivers/gpio/gpio-iop.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * arch/arm/plat-iop/gpio.c + * GPIO handling for Intel IOP3xx processors. + * + * Copyright (C) 2006 Lennert Buytenhek + */ + +#include +#include +#include +#include + +#define IOP3XX_GPOE 0x0000 +#define IOP3XX_GPID 0x0004 +#define IOP3XX_GPOD 0x0008 + +static int iop3xx_gpio_probe(struct platform_device *pdev) +{ + struct gpio_chip *gc; + void __iomem *base; + int err; + + gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL); + if (!gc) + return -ENOMEM; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + err = bgpio_init(gc, &pdev->dev, 1, base + IOP3XX_GPID, + base + IOP3XX_GPOD, NULL, NULL, base + IOP3XX_GPOE, 0); + if (err) + return err; + + gc->base = 0; + gc->owner = THIS_MODULE; + gc->label = "gpio-iop"; + + return devm_gpiochip_add_data(&pdev->dev, gc, NULL); +} + +static struct platform_driver iop3xx_gpio_driver = { + .driver = { + .name = "gpio-iop", + }, + .probe = iop3xx_gpio_probe, +}; + +static int __init iop3xx_gpio_init(void) +{ + return platform_driver_register(&iop3xx_gpio_driver); +} +arch_initcall(iop3xx_gpio_init); + +MODULE_DESCRIPTION("GPIO handling for Intel IOP3xx processors"); +MODULE_AUTHOR("Lennert Buytenhek "); +MODULE_LICENSE("GPL"); -- cgit v1.2.3