5  * SPDX-License-Identifier:	GPL-2.0+
19 static int bcm2835_gpio_direction_input(struct udevice *dev, unsigned gpio)  in bcm2835_gpio_direction_input()
21 	struct bcm2835_gpios *gpios = dev_get_priv(dev);  in bcm2835_gpio_direction_input()  local
24 	val = readl(&gpios->reg->gpfsel[BCM2835_GPIO_FSEL_BANK(gpio)]);  in bcm2835_gpio_direction_input()
27 	writel(val, &gpios->reg->gpfsel[BCM2835_GPIO_FSEL_BANK(gpio)]);  in bcm2835_gpio_direction_input()
32 static int bcm2835_gpio_direction_output(struct udevice *dev, unsigned gpio,  in bcm2835_gpio_direction_output()
33 					 int value)  in bcm2835_gpio_direction_output()
35 	struct bcm2835_gpios *gpios = dev_get_priv(dev);  in bcm2835_gpio_direction_output()  local
40 	val = readl(&gpios->reg->gpfsel[BCM2835_GPIO_FSEL_BANK(gpio)]);  in bcm2835_gpio_direction_output()
43 	writel(val, &gpios->reg->gpfsel[BCM2835_GPIO_FSEL_BANK(gpio)]);  in bcm2835_gpio_direction_output()
48 static int bcm2835_get_value(const struct bcm2835_gpios *gpios, unsigned gpio)  in bcm2835_get_value()  argument
52 	val = readl(&gpios->reg->gplev[BCM2835_GPIO_COMMON_BANK(gpio)]);  in bcm2835_get_value()
57 static int bcm2835_gpio_get_value(struct udevice *dev, unsigned gpio)  in bcm2835_gpio_get_value()
59 	const struct bcm2835_gpios *gpios = dev_get_priv(dev);  in bcm2835_gpio_get_value()  local
61 	return bcm2835_get_value(gpios, gpio);  in bcm2835_gpio_get_value()
64 static int bcm2835_gpio_set_value(struct udevice *dev, unsigned gpio,  in bcm2835_gpio_set_value()
65 				  int value)  in bcm2835_gpio_set_value()
67 	struct bcm2835_gpios *gpios = dev_get_priv(dev);  in bcm2835_gpio_set_value()  local
68 	u32 *output_reg = value ? gpios->reg->gpset : gpios->reg->gpclr;  in bcm2835_gpio_set_value()
76 int bcm2835_gpio_get_func_id(struct udevice *dev, unsigned gpio)  in bcm2835_gpio_get_func_id()
78 	struct bcm2835_gpios *gpios = dev_get_priv(dev);  in bcm2835_gpio_get_func_id()  local
81 	val = readl(&gpios->reg->gpfsel[BCM2835_GPIO_FSEL_BANK(gpio)]);  in bcm2835_gpio_get_func_id()
86 static int bcm2835_gpio_get_function(struct udevice *dev, unsigned offset)  in bcm2835_gpio_get_function()
88 	int funcid = bcm2835_gpio_get_func_id(dev, offset);  in bcm2835_gpio_get_function()
109 static int bcm2835_gpio_probe(struct udevice *dev)  in bcm2835_gpio_probe()
111 	struct bcm2835_gpios *gpios = dev_get_priv(dev);  in bcm2835_gpio_probe()  local
115 	uc_priv->bank_name = "GPIO";  in bcm2835_gpio_probe()
116 	uc_priv->gpio_count = BCM2835_GPIO_COUNT;  in bcm2835_gpio_probe()
117 	gpios->reg = (struct bcm2835_gpio_regs *)plat->base;  in bcm2835_gpio_probe()
124 	{.compatible = "brcm,bcm2835-gpio"},
128 static int bcm2835_gpio_ofdata_to_platdata(struct udevice *dev)  in bcm2835_gpio_ofdata_to_platdata()
135 		return -EINVAL;  in bcm2835_gpio_ofdata_to_platdata()
137 	plat->base = addr;  in bcm2835_gpio_ofdata_to_platdata()