drivers/gpio/bcm6345_gpio.c

1 // SPDX-License-Identifier: GPL-2.0+
5  * Derived from linux/arch/mips/bcm63xx/gpio.c:
7  *	Copyright (C) 2008-2011 Florian Fainelli <florian@openwrt.org>
13 #include <asm/gpio.h>
25 	return !!(readl_be(priv->reg_data) & BIT(offset));  in bcm6345_gpio_get_value()
34 		setbits_be32(priv->reg_data, BIT(offset));  in bcm6345_gpio_set_value()
36 		clrbits_be32(priv->reg_data, BIT(offset));  in bcm6345_gpio_set_value()
56 	return bcm6345_gpio_set_direction(priv->reg_dirout, offset, 1);  in bcm6345_gpio_direction_input()
66 	return bcm6345_gpio_set_direction(priv->reg_dirout, offset, 0);  in bcm6345_gpio_direction_output()
73 	if (readl_be(priv->reg_dirout) & BIT(offset))  in bcm6345_gpio_get_function()
92 	priv->reg_dirout = dev_remap_addr_index(dev, 0);  in bcm6345_gpio_probe()
93 	if (!priv->reg_dirout)  in bcm6345_gpio_probe()
94 		return -EINVAL;  in bcm6345_gpio_probe()
96 	priv->reg_data = dev_remap_addr_index(dev, 1);  in bcm6345_gpio_probe()
97 	if (!priv->reg_data)  in bcm6345_gpio_probe()
98 		return -EINVAL;  in bcm6345_gpio_probe()
100 	uc_priv->gpio_count = dev_read_u32_default(dev, "ngpios", 32);  in bcm6345_gpio_probe()
101 	uc_priv->bank_name = dev->name;  in bcm6345_gpio_probe()
107 	{ .compatible = "brcm,bcm6345-gpio" },
112 	.name = "bcm6345-gpio",