63 static int of_gpio_named_count(const struct device_node *np,  in of_gpio_named_count()  argument
66 	return of_count_phandle_with_args(np, propname, "#gpio-cells");  in of_gpio_named_count()
83 	struct device_node *np = dev->of_node;  in of_gpio_spi_cs_get_count()  local
89 	if (!of_device_is_compatible(np, "fsl,spi") &&  in of_gpio_spi_cs_get_count()
90 	    !of_device_is_compatible(np, "aeroflexgaisler,spictrl") &&  in of_gpio_spi_cs_get_count()
91 	    !of_device_is_compatible(np, "ibm,ppc4xx-spi"))  in of_gpio_spi_cs_get_count()
93 	return of_gpio_named_count(np, "gpios");  in of_gpio_spi_cs_get_count()
125 	return device_match_of_node(&chip->gpiodev->dev, gpiospec->np) &&  in of_gpiochip_match_node_and_xlate()
156 static void of_gpio_quirk_polarity(const struct device_node *np,  in of_gpio_quirk_polarity()  argument
163 				of_node_full_name(np));  in of_gpio_quirk_polarity()
169 				of_node_full_name(np));  in of_gpio_quirk_polarity()
178 static void of_gpio_try_fixup_polarity(const struct device_node *np,  in of_gpio_try_fixup_polarity()  argument
200 		if (of_device_is_compatible(np, gpios[i].compatible) &&  in of_gpio_try_fixup_polarity()
202 			of_gpio_quirk_polarity(np, gpios[i].active_high, flags);  in of_gpio_try_fixup_polarity()
208 static void of_gpio_set_polarity_by_property(const struct device_node *np,  in of_gpio_set_polarity_by_property()  argument
212 	const struct device_node *np_compat = np;  in of_gpio_set_polarity_by_property()
213 	const struct device_node *np_propname = np;  in of_gpio_set_polarity_by_property()
270 	if (of_device_is_compatible(np->parent, "atmel,hsmci")) {  in of_gpio_set_polarity_by_property()
271 		np_compat = np->parent;  in of_gpio_set_polarity_by_property()
272 		np_propname = np;  in of_gpio_set_polarity_by_property()
281 			of_gpio_quirk_polarity(np, active_high, flags);  in of_gpio_set_polarity_by_property()
287 static void of_gpio_flags_quirks(const struct device_node *np,  in of_gpio_flags_quirks()  argument
292 	of_gpio_try_fixup_polarity(np, propname, flags);  in of_gpio_flags_quirks()
293 	of_gpio_set_polarity_by_property(np, propname, flags);  in of_gpio_flags_quirks()
299 	    of_device_is_compatible(np, "reg-fixed-voltage") &&  in of_gpio_flags_quirks()
300 	    of_property_read_bool(np, "gpio-open-drain")) {  in of_gpio_flags_quirks()
303 			of_node_full_name(np));  in of_gpio_flags_quirks()
312 	    of_property_read_bool(np, "cs-gpios")) {  in of_gpio_flags_quirks()
317 		for_each_child_of_node(np, child) {  in of_gpio_flags_quirks()
347 	    of_property_read_bool(np, "snps,reset-active-low"))  in of_gpio_flags_quirks()
362 static struct gpio_desc *of_get_named_gpiod_flags(const struct device_node *np,  in of_get_named_gpiod_flags()  argument
370 	ret = of_parse_phandle_with_args_map(np, propname, "gpio", index,  in of_get_named_gpiod_flags()
374 			__func__, propname, np, index);  in of_get_named_gpiod_flags()
389 		of_gpio_flags_quirks(np, propname, flags, index);  in of_get_named_gpiod_flags()
392 		 __func__, propname, np, index,  in of_get_named_gpiod_flags()
396 	of_node_put(gpiospec.np);  in of_get_named_gpiod_flags()
410 int of_get_named_gpio(const struct device_node *np, const char *propname,  in of_get_named_gpio()  argument
415 	desc = of_get_named_gpiod_flags(np, propname, index, NULL);  in of_get_named_gpio()
454 static struct gpio_desc *of_find_gpio_rename(struct device_node *np,  in of_find_gpio_rename()  argument
571 		    !of_device_is_compatible(np, gpios[i].compatible))  in of_find_gpio_rename()
575 		desc = of_get_named_gpiod_flags(np, legacy_id, idx, of_flags);  in of_find_gpio_rename()
578 				of_node_full_name(np), legacy_id, con_id);  in of_find_gpio_rename()
586 static struct gpio_desc *of_find_mt2701_gpio(struct device_node *np,  in of_find_mt2701_gpio()  argument
597 	if (!of_device_is_compatible(np, "mediatek,mt2701-cs42448-machine"))  in of_find_mt2701_gpio()
610 	desc = of_get_named_gpiod_flags(np, legacy_id, 0, of_flags);  in of_find_mt2701_gpio()
613 			of_node_full_name(np), legacy_id, con_id);  in of_find_mt2701_gpio()
618 typedef struct gpio_desc *(*of_find_gpio_quirk)(struct device_node *np,
628 struct gpio_desc *of_find_gpio(struct device_node *np, const char *con_id,  in of_find_gpio()  argument
646 		desc = of_get_named_gpiod_flags(np, prop_name, idx, &of_flags);  in of_find_gpio()
654 		desc = (*q)(np, con_id, idx, &of_flags);  in of_find_gpio()
677 static struct gpio_desc *of_parse_own_gpio(struct device_node *np,  in of_parse_own_gpio()  argument
703 	gpiospec.np = chip_np;  in of_parse_own_gpio()
707 		ret = of_property_read_u32_index(np, "gpios", idx * tmp + i,  in of_parse_own_gpio()
719 	if (of_property_read_bool(np, "input"))  in of_parse_own_gpio()
721 	else if (of_property_read_bool(np, "output-low"))  in of_parse_own_gpio()
723 	else if (of_property_read_bool(np, "output-high"))  in of_parse_own_gpio()
727 			desc_to_gpio(desc), np);  in of_parse_own_gpio()
731 	if (name && of_property_read_string(np, "line-name", name))  in of_parse_own_gpio()
732 		*name = np->name;  in of_parse_own_gpio()
780 	struct device_node *np;  in of_gpiochip_scan_gpios()  local
783 	for_each_available_child_of_node(dev_of_node(&chip->gpiodev->dev), np) {  in of_gpiochip_scan_gpios()
784 		if (!of_property_read_bool(np, "gpio-hog"))  in of_gpiochip_scan_gpios()
787 		ret = of_gpiochip_add_hog(chip, np);  in of_gpiochip_scan_gpios()
789 			of_node_put(np);  in of_gpiochip_scan_gpios()
793 		of_node_set_flag(np, OF_POPULATED);  in of_gpiochip_scan_gpios()
820 static struct gpio_chip *of_find_gpiochip_by_node(struct device_node *np)  in of_find_gpiochip_by_node()  argument
822 	return gpiochip_find(np, of_gpiochip_match_node);  in of_find_gpiochip_by_node()
939 int of_mm_gpiochip_add_data(struct device_node *np,  in of_mm_gpiochip_add_data()  argument
946 	gc->label = kasprintf(GFP_KERNEL, "%pOF", np);  in of_mm_gpiochip_add_data()
950 	mm_gc->regs = of_iomap(np, 0);  in of_mm_gpiochip_add_data()
960 	mm_gc->gc.fwnode = fwnode_handle_get(of_fwnode_handle(np));  in of_mm_gpiochip_add_data()
968 	of_node_put(np);  in of_mm_gpiochip_add_data()
973 	pr_err("%pOF: GPIO chip registration failed with status %d\n", np, ret);  in of_mm_gpiochip_add_data()
998 	struct device_node *np;  in of_gpiochip_add_pin_range()  local
1004 	np = dev_of_node(&chip->gpiodev->dev);  in of_gpiochip_add_pin_range()
1005 	if (!np)  in of_gpiochip_add_pin_range()
1008 	group_names = of_find_property(np, group_names_propname, NULL);  in of_gpiochip_add_pin_range()
1011 		ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3,  in of_gpiochip_add_pin_range()
1016 		pctldev = of_pinctrl_get(pinspec.np);  in of_gpiochip_add_pin_range()
1017 		of_node_put(pinspec.np);  in of_gpiochip_add_pin_range()
1023 				of_property_read_string_index(np,  in of_gpiochip_add_pin_range()
1028 						np);  in of_gpiochip_add_pin_range()
1044 					np);  in of_gpiochip_add_pin_range()
1050 					np, group_names_propname);  in of_gpiochip_add_pin_range()
1054 			ret = of_property_read_string_index(np,  in of_gpiochip_add_pin_range()
1062 				np);  in of_gpiochip_add_pin_range()
1082 	struct device_node *np;  in of_gpiochip_add()  local
1085 	np = dev_of_node(&chip->gpiodev->dev);  in of_gpiochip_add()
1086 	if (!np)  in of_gpiochip_add()
1101 	of_node_get(np);  in of_gpiochip_add()
1105 		of_node_put(np);  in of_gpiochip_add()