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
218 		if (of_device_is_compatible(np, gpios[i].compatible) &&  in of_gpio_try_fixup_polarity()
220 			of_gpio_quirk_polarity(np, gpios[i].active_high, flags);  in of_gpio_try_fixup_polarity()
226 static void of_gpio_set_polarity_by_property(const struct device_node *np,  in of_gpio_set_polarity_by_property()  argument
230 	const struct device_node *np_compat = np;  in of_gpio_set_polarity_by_property()
231 	const struct device_node *np_propname = np;  in of_gpio_set_polarity_by_property()
288 	if (of_device_is_compatible(np->parent, "atmel,hsmci")) {  in of_gpio_set_polarity_by_property()
289 		np_compat = np->parent;  in of_gpio_set_polarity_by_property()
290 		np_propname = np;  in of_gpio_set_polarity_by_property()
299 			of_gpio_quirk_polarity(np, active_high, flags);  in of_gpio_set_polarity_by_property()
305 static void of_gpio_flags_quirks(const struct device_node *np,  in of_gpio_flags_quirks()  argument
310 	of_gpio_try_fixup_polarity(np, propname, flags);  in of_gpio_flags_quirks()
311 	of_gpio_set_polarity_by_property(np, propname, flags);  in of_gpio_flags_quirks()
317 	    of_device_is_compatible(np, "reg-fixed-voltage") &&  in of_gpio_flags_quirks()
318 	    of_property_read_bool(np, "gpio-open-drain")) {  in of_gpio_flags_quirks()
321 			of_node_full_name(np));  in of_gpio_flags_quirks()
330 	    of_property_read_bool(np, "cs-gpios")) {  in of_gpio_flags_quirks()
335 		for_each_child_of_node(np, child) {  in of_gpio_flags_quirks()
365 	    of_property_read_bool(np, "snps,reset-active-low"))  in of_gpio_flags_quirks()
380 static struct gpio_desc *of_get_named_gpiod_flags(const struct device_node *np,  in of_get_named_gpiod_flags()  argument
388 	ret = of_parse_phandle_with_args_map(np, propname, "gpio", index,  in of_get_named_gpiod_flags()
392 			__func__, propname, np, index);  in of_get_named_gpiod_flags()
407 		of_gpio_flags_quirks(np, propname, flags, index);  in of_get_named_gpiod_flags()
410 		 __func__, propname, np, index,  in of_get_named_gpiod_flags()
414 	of_node_put(gpiospec.np);  in of_get_named_gpiod_flags()
428 int of_get_named_gpio(const struct device_node *np, const char *propname,  in of_get_named_gpio()  argument
433 	desc = of_get_named_gpiod_flags(np, propname, index, NULL);  in of_get_named_gpio()
472 static struct gpio_desc *of_find_gpio_rename(struct device_node *np,  in of_find_gpio_rename()  argument
589 		    !of_device_is_compatible(np, gpios[i].compatible))  in of_find_gpio_rename()
593 		desc = of_get_named_gpiod_flags(np, legacy_id, idx, of_flags);  in of_find_gpio_rename()
596 				of_node_full_name(np), legacy_id, con_id);  in of_find_gpio_rename()
604 static struct gpio_desc *of_find_mt2701_gpio(struct device_node *np,  in of_find_mt2701_gpio()  argument
615 	if (!of_device_is_compatible(np, "mediatek,mt2701-cs42448-machine"))  in of_find_mt2701_gpio()
628 	desc = of_get_named_gpiod_flags(np, legacy_id, 0, of_flags);  in of_find_mt2701_gpio()
631 			of_node_full_name(np), legacy_id, con_id);  in of_find_mt2701_gpio()
636 typedef struct gpio_desc *(*of_find_gpio_quirk)(struct device_node *np,
646 struct gpio_desc *of_find_gpio(struct device_node *np, const char *con_id,  in of_find_gpio()  argument
664 		desc = of_get_named_gpiod_flags(np, prop_name, idx, &of_flags);  in of_find_gpio()
672 		desc = (*q)(np, con_id, idx, &of_flags);  in of_find_gpio()
695 static struct gpio_desc *of_parse_own_gpio(struct device_node *np,  in of_parse_own_gpio()  argument
721 	gpiospec.np = chip_np;  in of_parse_own_gpio()
725 		ret = of_property_read_u32_index(np, "gpios", idx * tmp + i,  in of_parse_own_gpio()
737 	if (of_property_read_bool(np, "input"))  in of_parse_own_gpio()
739 	else if (of_property_read_bool(np, "output-low"))  in of_parse_own_gpio()
741 	else if (of_property_read_bool(np, "output-high"))  in of_parse_own_gpio()
745 			desc_to_gpio(desc), np);  in of_parse_own_gpio()
749 	if (name && of_property_read_string(np, "line-name", name))  in of_parse_own_gpio()
750 		*name = np->name;  in of_parse_own_gpio()
798 	struct device_node *np;  in of_gpiochip_scan_gpios()  local
801 	for_each_available_child_of_node(dev_of_node(&chip->gpiodev->dev), np) {  in of_gpiochip_scan_gpios()
802 		if (!of_property_read_bool(np, "gpio-hog"))  in of_gpiochip_scan_gpios()
805 		ret = of_gpiochip_add_hog(chip, np);  in of_gpiochip_scan_gpios()
807 			of_node_put(np);  in of_gpiochip_scan_gpios()
811 		of_node_set_flag(np, OF_POPULATED);  in of_gpiochip_scan_gpios()
838 static struct gpio_chip *of_find_gpiochip_by_node(struct device_node *np)  in of_find_gpiochip_by_node()  argument
840 	return gpiochip_find(np, of_gpiochip_match_node);  in of_find_gpiochip_by_node()
957 int of_mm_gpiochip_add_data(struct device_node *np,  in of_mm_gpiochip_add_data()  argument
964 	gc->label = kasprintf(GFP_KERNEL, "%pOF", np);  in of_mm_gpiochip_add_data()
968 	mm_gc->regs = of_iomap(np, 0);  in of_mm_gpiochip_add_data()
978 	mm_gc->gc.fwnode = fwnode_handle_get(of_fwnode_handle(np));  in of_mm_gpiochip_add_data()
986 	of_node_put(np);  in of_mm_gpiochip_add_data()
991 	pr_err("%pOF: GPIO chip registration failed with status %d\n", np, ret);  in of_mm_gpiochip_add_data()
1016 	struct device_node *np;  in of_gpiochip_add_pin_range()  local
1022 	np = dev_of_node(&chip->gpiodev->dev);  in of_gpiochip_add_pin_range()
1023 	if (!np)  in of_gpiochip_add_pin_range()
1026 	group_names = of_find_property(np, group_names_propname, NULL);  in of_gpiochip_add_pin_range()
1029 		ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3,  in of_gpiochip_add_pin_range()
1034 		pctldev = of_pinctrl_get(pinspec.np);  in of_gpiochip_add_pin_range()
1035 		of_node_put(pinspec.np);  in of_gpiochip_add_pin_range()
1041 				of_property_read_string_index(np,  in of_gpiochip_add_pin_range()
1046 						np);  in of_gpiochip_add_pin_range()
1062 					np);  in of_gpiochip_add_pin_range()
1068 					np, group_names_propname);  in of_gpiochip_add_pin_range()
1072 			ret = of_property_read_string_index(np,  in of_gpiochip_add_pin_range()
1080 				np);  in of_gpiochip_add_pin_range()
1100 	struct device_node *np;  in of_gpiochip_add()  local
1103 	np = dev_of_node(&chip->gpiodev->dev);  in of_gpiochip_add()
1104 	if (!np)  in of_gpiochip_add()
1119 	of_node_get(np);  in of_gpiochip_add()
1123 		of_node_put(np);  in of_gpiochip_add()