ARM: pxa/gumstix: convert vbus gpio to use software nodes

Switch vbus gpios from using a custom GPIO lookup table to software
properties using PROPERTY_ENTRY_GPIO() constructs which closely mimic
device tree gpio properties.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240628180852.1738922-4-dmitry.torokhov@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: dtor

arch/arm/mach-pxa/devices.c

@@ -629,6 +629,10 @@ struct platform_device pxa27x_device_pwm1 = {
 };
 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
 
+const struct software_node pxa2xx_gpiochip_node = {
+	.name	= "gpio-pxa",
+};
+
 struct resource pxa_resource_gpio[] = {
 	{
 		.start	= 0x40e00000,

arch/arm/mach-pxa/devices.h

@@ -53,8 +53,8 @@ extern struct platform_device pxa_device_asoc_ssp4;
 
 extern struct platform_device pxa25x_device_gpio;
 extern struct platform_device pxa27x_device_gpio;
-extern struct platform_device pxa3xx_device_gpio;
-extern struct platform_device pxa93x_device_gpio;
+
+extern const struct software_node pxa2xx_gpiochip_node;
 
 void __init pxa_register_device(struct platform_device *dev, void *data);
 void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata);

arch/arm/mach-pxa/gumstix.c

@@ -100,26 +100,22 @@ static void __init gumstix_mmc_init(void)
 #endif
 
 #ifdef CONFIG_USB_PXA25X
-static struct gpiod_lookup_table gumstix_gpio_vbus_gpiod_table = {
-	.dev_id = "gpio-vbus",
-	.table = {
-		GPIO_LOOKUP("gpio-pxa", GPIO_GUMSTIX_USB_GPIOn,
-			    "vbus", GPIO_ACTIVE_HIGH),
-		GPIO_LOOKUP("gpio-pxa", GPIO_GUMSTIX_USB_GPIOx,
-			    "pullup", GPIO_ACTIVE_HIGH),
-		{ },
-	},
+static const struct property_entry spitz_mci_props[] __initconst = {
+	PROPERTY_ENTRY_GPIO("vbus-gpios", &pxa2xx_gpiochip_node,
+			    GPIO_GUMSTIX_USB_GPIOn, GPIO_ACTIVE_HIGH),
+	PROPERTY_ENTRY_GPIO("pullup-gpios", &pxa2xx_gpiochip_node,
+			    GPIO_GUMSTIX_USB_GPIOx, GPIO_ACTIVE_HIGH),
+	{ }
 };
 
-static struct platform_device gumstix_gpio_vbus = {
+static const struct platform_device_info gumstix_gpio_vbus_info __initconst = {
 	.name	= "gpio-vbus",
-	.id	= -1,
+	.id	= PLATFORM_DEVID_NONE,
 };
 
 static void __init gumstix_udc_init(void)
 {
-	gpiod_add_lookup_table(&gumstix_gpio_vbus_gpiod_table);
-	platform_device_register(&gumstix_gpio_vbus);
+	platform_device_register_full(&gumstix_gpio_vbus_info);
 }
 #else
 static void gumstix_udc_init(void)

arch/arm/mach-pxa/pxa25x.c

@@ -239,6 +239,7 @@ static int __init pxa25x_init(void)
 		register_syscore_ops(&pxa2xx_mfp_syscore_ops);
 
 		if (!of_have_populated_dt()) {
+			software_node_register(&pxa2xx_gpiochip_node);
 			pxa2xx_set_dmac_info(&pxa25x_dma_pdata);
 			ret = platform_add_devices(pxa25x_devices,
 						   ARRAY_SIZE(pxa25x_devices));