ARM: pxa: consolidate GPIO chip platform data

The platform data for the GPIO controllers for the boards using non-DT
setup is the same between PXA25x (gumstix) and PXA27x (Spitz) devices.
Move it into devices.c to consolidate code. It will help with conversion
to software nodes/properties.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240628180852.1738922-3-dmitry.torokhov@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: dtor

arch/arm/mach-pxa/devices.c

@@ -7,6 +7,7 @@
 #include <linux/clk-provider.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmaengine.h>
+#include <linux/gpio-pxa.h>
 #include <linux/platform_data/i2c-pxa.h>
 #include <linux/soc/pxa/cpu.h>
 
@@ -17,6 +18,7 @@
 #include <linux/platform_data/usb-ohci-pxa27x.h>
 #include <linux/platform_data/mmp_dma.h>
 
+#include "mfp-pxa2xx.h"
 #include "regs-ost.h"
 #include "reset.h"
 #include "devices.h"
@@ -650,18 +652,29 @@ struct resource pxa_resource_gpio[] = {
 	},
 };
 
+static struct pxa_gpio_platform_data pxa2xx_gpio_info = {
+	.irq_base	= PXA_GPIO_TO_IRQ(0),
+	.gpio_set_wake	= gpio_set_wake,
+};
+
 struct platform_device pxa25x_device_gpio = {
 	.name		= "pxa25x-gpio",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(pxa_resource_gpio),
 	.resource	= pxa_resource_gpio,
+	.dev		= {
+		.platform_data	= &pxa2xx_gpio_info,
+	},
 };
 
 struct platform_device pxa27x_device_gpio = {
 	.name		= "pxa27x-gpio",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(pxa_resource_gpio),
 	.resource	= pxa_resource_gpio,
+	.dev		= {
+		.platform_data	= &pxa2xx_gpio_info,
+	},
 };
 
 static struct resource pxa_dma_resource[] = {

arch/arm/mach-pxa/pxa25x.c

@@ -178,12 +178,8 @@ void __init pxa25x_map_io(void)
 	pxa25x_get_clk_frequency_khz(1);
 }
 
-static struct pxa_gpio_platform_data pxa25x_gpio_info __initdata = {
-	.irq_base	= PXA_GPIO_TO_IRQ(0),
-	.gpio_set_wake	= gpio_set_wake,
-};
-
 static struct platform_device *pxa25x_devices[] __initdata = {
+	&pxa25x_device_gpio,
 	&pxa25x_device_udc,
 	&pxa_device_pmu,
 	&pxa_device_i2s,
@@ -244,7 +240,6 @@ static int __init pxa25x_init(void)
 
 		if (!of_have_populated_dt()) {
 			pxa2xx_set_dmac_info(&pxa25x_dma_pdata);
-			pxa_register_device(&pxa25x_device_gpio, &pxa25x_gpio_info);
 			ret = platform_add_devices(pxa25x_devices,
 						   ARRAY_SIZE(pxa25x_devices));
 		}

arch/arm/mach-pxa/pxa27x.c

@@ -276,12 +276,8 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info)
 	pxa_register_device(&pxa27x_device_i2c_power, info);
 }
 
-static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = {
-	.irq_base	= PXA_GPIO_TO_IRQ(0),
-	.gpio_set_wake	= gpio_set_wake,
-};
-
 static struct platform_device *devices[] __initdata = {
+	&pxa27x_device_gpio,
 	&pxa27x_device_udc,
 	&pxa_device_pmu,
 	&pxa_device_i2s,
@@ -345,8 +341,6 @@ static int __init pxa27x_init(void)
 		register_syscore_ops(&pxa2xx_mfp_syscore_ops);
 
 		if (!of_have_populated_dt()) {
-			pxa_register_device(&pxa27x_device_gpio,
-					    &pxa27x_gpio_info);
 			pxa2xx_set_dmac_info(&pxa27x_dma_pdata);
 			ret = platform_add_devices(devices,
 						   ARRAY_SIZE(devices));