dm: am33xx: Provide platform data for GPIOs

Provide suitable platform data for am33xx boards, so that these boards can
use driver model for GPIO access.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>

arch/arm/cpu/armv7/am33xx/board.c

@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <errno.h>
 #include <spl.h>
 #include <asm/arch/cpu.h>
@@ -36,6 +37,31 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifdef CONFIG_DM_GPIO
+static const struct omap_gpio_platdata am33xx_gpio[] = {
+	{ 0, AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
+	{ 1, AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
+	{ 2, AM33XX_GPIO2_BASE, METHOD_GPIO_24XX },
+	{ 3, AM33XX_GPIO3_BASE, METHOD_GPIO_24XX },
+#ifdef CONFIG_AM43XX
+	{ 4, AM33XX_GPIO4_BASE, METHOD_GPIO_24XX },
+	{ 5, AM33XX_GPIO5_BASE, METHOD_GPIO_24XX },
+#endif
+};
+
+U_BOOT_DEVICES(am33xx_gpios) = {
+	{ "gpio_omap", &am33xx_gpio[0] },
+	{ "gpio_omap", &am33xx_gpio[1] },
+	{ "gpio_omap", &am33xx_gpio[2] },
+	{ "gpio_omap", &am33xx_gpio[3] },
+#ifdef CONFIG_AM43XX
+	{ "gpio_omap", &am33xx_gpio[4] },
+	{ "gpio_omap", &am33xx_gpio[5] },
+#endif
+};
+
+#else
+
 static const struct gpio_bank gpio_bank_am33xx[] = {
 	{ (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
 	{ (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
@@ -49,6 +75,8 @@ static const struct gpio_bank gpio_bank_am33xx[] = {
 
 const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
 
+#endif
+
 #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
 int cpu_mmc_init(bd_t *bis)
 {