6  * (C) Copyright 2007-2011
10  * SPDX-License-Identifier:	GPL-2.0+
21 #include <dm/device-internal.h>
22 #include <dt-bindings/gpio/gpio.h>
30 	const char *bank_name;	/* Name of bank, e.g. "B" */
38 	u32 bank = GPIO_BANK(pin);  in sunxi_gpio_output()  local
40 	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);  in sunxi_gpio_output()
42 	dat = readl(&pio->dat);  in sunxi_gpio_output()
48 	writel(dat, &pio->dat);  in sunxi_gpio_output()
56 	u32 bank = GPIO_BANK(pin);  in sunxi_gpio_input()  local
58 	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);  in sunxi_gpio_input()
60 	dat = readl(&pio->dat);  in sunxi_gpio_input()
100 int sunxi_name_to_gpio(const char *name)  in sunxi_name_to_gpio()  argument
107 	if (*name == 'P' || *name == 'p')  in sunxi_name_to_gpio()
108 		name++;  in sunxi_name_to_gpio()
109 	if (*name >= 'A') {  in sunxi_name_to_gpio()
110 		group = *name - (*name > 'a' ? 'a' : 'A');  in sunxi_name_to_gpio()
112 		name++;  in sunxi_name_to_gpio()
115 	pin = simple_strtol(name, &eptr, 10);  in sunxi_name_to_gpio()
116 	if (!*name || *eptr)  in sunxi_name_to_gpio()
117 		return -1;  in sunxi_name_to_gpio()
119 		return -1;  in sunxi_name_to_gpio()
124 int sunxi_name_to_gpio_bank(const char *name)  in sunxi_name_to_gpio_bank()  argument
128 	if (*name == 'P' || *name == 'p')  in sunxi_name_to_gpio_bank()
129 		name++;  in sunxi_name_to_gpio_bank()
130 	if (*name >= 'A') {  in sunxi_name_to_gpio_bank()
131 		group = *name - (*name > 'a' ? 'a' : 'A');  in sunxi_name_to_gpio_bank()
135 	return -1;  in sunxi_name_to_gpio_bank()
140 int sunxi_name_to_gpio(const char *name)  in sunxi_name_to_gpio()  argument
147 	if (strcasecmp(name, "AXP0-VBUS-DETECT") == 0) {  in sunxi_name_to_gpio()
150 		name = lookup;  in sunxi_name_to_gpio()
151 	} else if (strcasecmp(name, "AXP0-VBUS-ENABLE") == 0) {  in sunxi_name_to_gpio()
154 		name = lookup;  in sunxi_name_to_gpio()
157 	ret = gpio_lookup_name(name, NULL, NULL, &gpio);  in sunxi_name_to_gpio()
166 	sunxi_gpio_set_cfgbank(plat->regs, offset, SUNXI_GPIO_INPUT);  in sunxi_gpio_direction_input()
177 	sunxi_gpio_set_cfgbank(plat->regs, offset, SUNXI_GPIO_OUTPUT);  in sunxi_gpio_direction_output()
178 	clrsetbits_le32(&plat->regs->dat, 1 << num, value ? (1 << num) : 0);  in sunxi_gpio_direction_output()
189 	dat = readl(&plat->regs->dat);  in sunxi_gpio_get_value()
201 	clrsetbits_le32(&plat->regs->dat, 1 << num, value ? (1 << num) : 0);  in sunxi_gpio_set_value()
210 	func = sunxi_gpio_get_cfgbank(plat->regs, offset);  in sunxi_gpio_get_function()
224 	ret = device_get_child(dev, args->args[0], &desc->dev);  in sunxi_gpio_xlate()
227 	desc->offset = args->args[1];  in sunxi_gpio_xlate()
228 	desc->flags = args->args[2] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;  in sunxi_gpio_xlate()
243  * Returns the name of a GPIO bank
247  * @bank:	Bank number (0, 1..n-1)
248  * @return allocated string containing the name
250 static char *gpio_bank_name(int bank)  in gpio_bank_name()  argument
252 	char *name;  in gpio_bank_name()  local
254 	name = malloc(3);  in gpio_bank_name()
255 	if (name) {  in gpio_bank_name()
256 		name[0] = 'P';  in gpio_bank_name()
257 		name[1] = 'A' + bank;  in gpio_bank_name()
258 		name[2] = '\0';  in gpio_bank_name()
261 	return name;  in gpio_bank_name()
271 		uc_priv->gpio_count = plat->gpio_count;  in gpio_sunxi_probe()
272 		uc_priv->bank_name = plat->bank_name;  in gpio_sunxi_probe()
284  * We have a top-level GPIO device with no actual GPIOs. It has a child
285  * device for each Sunxi bank.
291 	struct sunxi_gpio_platdata *plat = parent->platdata;  in gpio_sunxi_bind()
293 	int bank, ret;  in gpio_sunxi_bind()  local
300 	for (bank = 0; bank < soc_data->no_banks; bank++) {  in gpio_sunxi_bind()
306 			return -ENOMEM;  in gpio_sunxi_bind()
307 		plat->regs = &ctlr->gpio_bank[bank];  in gpio_sunxi_bind()
308 		plat->bank_name = gpio_bank_name(soc_data->start + bank);  in gpio_sunxi_bind()
309 		plat->gpio_count = SUNXI_GPIOS_PER_BANK;  in gpio_sunxi_bind()
311 		ret = device_bind(parent, parent->driver,  in gpio_sunxi_bind()
312 					plat->bank_name, plat, -1, &dev);  in gpio_sunxi_bind()
327 	.start = 'L' - 'A',
332 	.start = 'L' - 'A',
337 	.start = 'L' - 'A',
345 	ID("allwinner,sun4i-a10-pinctrl",	a_all),
346 	ID("allwinner,sun5i-a10s-pinctrl",	a_all),
347 	ID("allwinner,sun5i-a13-pinctrl",	a_all),
348 	ID("allwinner,sun6i-a31-pinctrl",	a_all),
349 	ID("allwinner,sun6i-a31s-pinctrl",	a_all),
350 	ID("allwinner,sun7i-a20-pinctrl",	a_all),
351 	ID("allwinner,sun8i-a23-pinctrl",	a_all),
352 	ID("allwinner,sun8i-a33-pinctrl",	a_all),
353 	ID("allwinner,sun8i-a83t-pinctrl",	a_all),
354 	ID("allwinner,sun8i-h3-pinctrl",	a_all),
355 	ID("allwinner,sun8i-r40-pinctrl",	a_all),
356 	ID("allwinner,sun9i-a80-pinctrl",	a_all),
357 	ID("allwinner,sun6i-a31-r-pinctrl",	l_2),
358 	ID("allwinner,sun8i-a23-r-pinctrl",	l_1),
359 	ID("allwinner,sun8i-a83t-r-pinctrl",	l_1),
360 	ID("allwinner,sun8i-h3-r-pinctrl",	l_1),
361 	ID("allwinner,sun9i-a80-r-pinctrl",	l_3),
366 	.name	= "gpio_sunxi",