44  * of_gpio_named_count() - Count GPIOs for a device
45  * @np:		device node to count GPIOs for
48  * The function returns the count of GPIOs specified for a node.
52  * Either number of GPIOs defined in the property, or
53  * *  %-EINVAL for an incorrectly formed "gpios" property, or
54  * *  %-ENOENT for a missing "gpios" property.
58  *     gpios = <0
63  * The above example defines four GPIOs, two of which are not specified.
79  * established "cs-gpios" for chip selects but instead rely on
80  * "gpios" for the chip select lines. If we detect this, we redirect
81  * the counting of "cs-gpios" to count "gpios" transparent to the
85  * Either number of GPIOs defined in the property, or
86  * *  %-EINVAL for an incorrectly formed "gpios" property, or
87  * *  %-ENOENT for a missing "gpios" property.
100 	return of_gpio_named_count(np, "gpios");  in of_gpio_spi_cs_get_count()
187 	} gpios[] = {  in of_gpio_try_fixup_polarity()  local
191 		 * "gpios-reset" property and also specified wrong  in of_gpio_try_fixup_polarity()
194 		{ "himax,hx8357",	"gpios-reset",	false },  in of_gpio_try_fixup_polarity()
195 		{ "himax,hx8369",	"gpios-reset",	false },  in of_gpio_try_fixup_polarity()
197 		 * The rb-gpios semantics was undocumented and qi,lb60 (along with  in of_gpio_try_fixup_polarity()
204 		{ "qi,lb60",		"rb-gpios",	true },  in of_gpio_try_fixup_polarity()
222 		{ "ti,tsc2005",		"reset-gpios",	false },  in of_gpio_try_fixup_polarity()
227 	for (i = 0; i < ARRAY_SIZE(gpios); i++) {  in of_gpio_try_fixup_polarity()
228 		if (of_device_is_compatible(np, gpios[i].compatible) &&  in of_gpio_try_fixup_polarity()
229 		    !strcmp(propname, gpios[i].propname)) {  in of_gpio_try_fixup_polarity()
230 			of_gpio_quirk_polarity(np, gpios[i].active_high, flags);  in of_gpio_try_fixup_polarity()
246 	} gpios[] = {  in of_gpio_set_polarity_by_property()  local
249 		{ "fsl,imx25-fec",   "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
250 		{ "fsl,imx27-fec",   "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
251 		{ "fsl,imx28-fec",   "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
252 		{ "fsl,imx6q-fec",   "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
253 		{ "fsl,mvf600-fec",  "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
254 		{ "fsl,imx6sx-fec",  "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
255 		{ "fsl,imx6ul-fec",  "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
256 		{ "fsl,imx8mq-fec",  "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
257 		{ "fsl,imx8qm-fec",  "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
258 		{ "fsl,s32v234-fec", "phy-reset-gpios", "phy-reset-active-high" },  in of_gpio_set_polarity_by_property()
277 		{ "regulator-fixed",   "gpios",        "enable-active-high" },  in of_gpio_set_polarity_by_property()
279 		{ "reg-fixed-voltage", "gpios",        "enable-active-high" },  in of_gpio_set_polarity_by_property()
284 		{ "regulator-gpio",    "enable-gpios", "enable-active-high" },  in of_gpio_set_polarity_by_property()
287 		{ "atmel,hsmci",       "cd-gpios",     "cd-inverted" },  in of_gpio_set_polarity_by_property()
304 	for (i = 0; i < ARRAY_SIZE(gpios); i++) {  in of_gpio_set_polarity_by_property()
305 		if (of_device_is_compatible(np_compat, gpios[i].compatible) &&  in of_gpio_set_polarity_by_property()
306 		    !strcmp(propname, gpios[i].gpio_propname)) {  in of_gpio_set_polarity_by_property()
308 						gpios[i].polarity_propname);  in of_gpio_set_polarity_by_property()
336 	 * property named "cs-gpios" we need to inspect the child node  in of_gpio_flags_quirks()
339 	if (IS_ENABLED(CONFIG_SPI_MASTER) && !strcmp(propname, "cs-gpios") &&  in of_gpio_flags_quirks()
340 	    of_property_present(np, "cs-gpios")) {  in of_gpio_flags_quirks()
501 	} gpios[] = {  in of_find_gpio_rename()  local
503 		/* Himax LCD controllers used "gpios-reset" */  in of_find_gpio_rename()
504 		{ "reset",	"gpios-reset",	"himax,hx8357" },  in of_find_gpio_rename()
505 		{ "reset",	"gpios-reset",	"himax,hx8369" },  in of_find_gpio_rename()
533 		 * "foo-gpios" so we have this special kludge for them.  in of_find_gpio_rename()
561 		 * "foo-gpios" so we have this special kludge for them.  in of_find_gpio_rename()
569 		 * The old Freescale bindings use simply "gpios" as name  in of_find_gpio_rename()
570 		 * for the chip select lines rather than "cs-gpios" like  in of_find_gpio_rename()
575 		{ "cs",		"gpios",	"fsl,spi" },  in of_find_gpio_rename()
576 		{ "cs",		"gpios",	"aeroflexgaisler,spictrl" },  in of_find_gpio_rename()
579 		{ "cs",		"gpios",	"ibm,ppc4xx-spi" },  in of_find_gpio_rename()
585 		 * property without the compulsory "-gpios" suffix.  in of_find_gpio_rename()
597 	for (i = 0; i < ARRAY_SIZE(gpios); i++) {  in of_find_gpio_rename()
598 		if (strcmp(con_id, gpios[i].con_id))  in of_find_gpio_rename()
601 		if (gpios[i].compatible &&  in of_find_gpio_rename()
602 		    !of_device_is_compatible(np, gpios[i].compatible))  in of_find_gpio_rename()
605 		legacy_id = gpios[i].legacy_id ?: gpios[i].con_id;  in of_find_gpio_rename()
608 			pr_info("%s uses legacy gpio name '%s' instead of '%s-gpios'\n",  in of_find_gpio_rename()
643 		pr_info("%s is using legacy gpio name '%s' instead of '%s-gpios'\n",  in of_find_mt2701_gpio()
653  * we allow looking something up that is not named "foo-gpios".
695 	/* Try GPIO property "foo-gpios" and "foo-gpio" */  in of_find_gpio()
758 		ret = of_property_read_u32_index(np, "gpios", idx * tmp + i,  in of_parse_own_gpio()
991  * to manage GPIOs from the callbacks.