dm: omap3: Move to driver model for GPIO and serial

Adjust the configuration for the am33xx boards, including beagleboard,
to use driver model.

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

arch/arm/cpu/armv7/omap3/board.c

@@ -17,13 +17,14 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
+#include <dm.h>
 #include <spl.h>
 #include <asm/io.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mem.h>
 #include <asm/cache.h>
 #include <asm/armv7.h>
-#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
 #include <asm/omap_common.h>
 #include <asm/arch/mmc_host_def.h>
 #include <i2c.h>
@@ -38,6 +39,27 @@ static void omap3_setup_aux_cr(void);
 static void omap3_invalidate_l2_cache_secure(void);
 #endif
 
+#ifdef CONFIG_DM_GPIO
+static const struct omap_gpio_platdata omap34xx_gpio[] = {
+	{ 0, OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
+	{ 1, OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
+	{ 2, OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
+	{ 3, OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
+	{ 4, OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
+	{ 5, OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+U_BOOT_DEVICES(am33xx_gpios) = {
+	{ "gpio_omap", &omap34xx_gpio[0] },
+	{ "gpio_omap", &omap34xx_gpio[1] },
+	{ "gpio_omap", &omap34xx_gpio[2] },
+	{ "gpio_omap", &omap34xx_gpio[3] },
+	{ "gpio_omap", &omap34xx_gpio[4] },
+	{ "gpio_omap", &omap34xx_gpio[5] },
+};
+
+#else
+
 static const struct gpio_bank gpio_bank_34xx[6] = {
 	{ (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
 	{ (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
@@ -49,6 +71,8 @@ static const struct gpio_bank gpio_bank_34xx[6] = {
 
 const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
 
+#endif
+
 #ifdef CONFIG_SPL_BUILD
 /*
 * We use static variables because global data is not ready yet.

board/isee/igep00x0/igep00x0.c

@@ -5,6 +5,8 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
+#include <dm.h>
+#include <ns16550.h>
 #include <twl4030.h>
 #include <netdev.h>
 #include <asm/gpio.h>
@@ -30,6 +32,17 @@ static const u32 gpmc_lan_config[] = {
 };
 #endif
 
+static const struct ns16550_platdata igep_serial = {
+	OMAP34XX_UART3,
+	2,
+	V_NS16550_CLK
+};
+
+U_BOOT_DEVICE(igep_uart) = {
+	"serial_omap",
+	&igep_serial
+};
+
 /*
  * Routine: board_init
  * Description: Early hardware init.

board/logicpd/zoom1/zoom1.c

@@ -15,6 +15,8 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
+#include <dm.h>
+#include <ns16550.h>
 #include <netdev.h>
 #include <twl4030.h>
 #include <asm/io.h>
@@ -41,6 +43,17 @@ static const u32 gpmc_lab_enet[] = {
 	/*CONF7- computed as params */
 };
 
+static const struct ns16550_platdata zoom1_serial = {
+	OMAP34XX_UART3,
+	2,
+	V_NS16550_CLK
+};
+
+U_BOOT_DEVICE(zoom1_uart) = {
+	"serial_omap",
+	&zoom1_serial
+};
+
 /*
  * Routine: board_init
  * Description: Early hardware init.

board/overo/overo.c

@@ -13,6 +13,8 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
+#include <dm.h>
+#include <ns16550.h>
 #include <netdev.h>
 #include <twl4030.h>
 #include <linux/mtd/nand.h>
@@ -73,6 +75,17 @@ static const u32 gpmc_lan_config[] = {
     /*CONFIG7- computed as params */
 };
 
+static const struct ns16550_platdata overo_serial = {
+	OMAP34XX_UART3,
+	2,
+	V_NS16550_CLK
+};
+
+U_BOOT_DEVICE(overo_uart) = {
+	"serial_omap",
+	&overo_serial
+};
+
 /*
  * Routine: board_init
  * Description: Early hardware init.

board/ti/beagle/beagle.c

@@ -14,6 +14,8 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
+#include <dm.h>
+#include <ns16550.h>
 #ifdef CONFIG_STATUS_LED
 #include <status_led.h>
 #endif
@@ -70,6 +72,17 @@ static struct {
 	char env_setting[64];
 } expansion_config;
 
+static const struct ns16550_platdata beagle_serial = {
+	OMAP34XX_UART3,
+	2,
+	V_NS16550_CLK
+};
+
+U_BOOT_DEVICE(beagle_uart) = {
+	"serial_omap",
+	&beagle_serial
+};
+
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -103,22 +116,22 @@ int board_init(void)
  */
 static int get_board_revision(void)
 {
-	int revision;
-
-	if (!gpio_request(171, "") &&
-	    !gpio_request(172, "") &&
-	    !gpio_request(173, "")) {
-
-		gpio_direction_input(171);
-		gpio_direction_input(172);
-		gpio_direction_input(173);
-
-		revision = gpio_get_value(173) << 2 |
-			   gpio_get_value(172) << 1 |
-			   gpio_get_value(171);
-	} else {
-		printf("Error: unable to acquire board revision GPIOs\n");
-		revision = -1;
+	static int revision = -1;
+
+	if (revision == -1) {
+		if (!gpio_request(171, "rev0") &&
+		    !gpio_request(172, "rev1") &&
+		    !gpio_request(173, "rev2")) {
+			gpio_direction_input(171);
+			gpio_direction_input(172);
+			gpio_direction_input(173);
+
+			revision = gpio_get_value(173) << 2 |
+				gpio_get_value(172) << 1 |
+				gpio_get_value(171);
+		} else {
+			printf("Error: unable to acquire board revision GPIOs\n");
+		}
 	}
 
 	return revision;
@@ -258,7 +271,7 @@ static void beagle_dvi_pup(void)
 	case REVISION_AXBX:
 	case REVISION_CX:
 	case REVISION_C4:
-		gpio_request(170, "");
+		gpio_request(170, "dvi");
 		gpio_direction_output(170, 0);
 		gpio_set_value(170, 1);
 		break;

board/ti/beagle/led.c

@@ -27,47 +27,46 @@ void green_led_on(void)
 }
 #endif
 
+static int get_led_gpio(led_id_t mask)
+{
+#ifdef STATUS_LED_BIT
+	if (STATUS_LED_BIT & mask)
+		return BEAGLE_LED_USR0;
+#endif
+#ifdef STATUS_LED_BIT1
+	if (STATUS_LED_BIT1 & mask)
+		return BEAGLE_LED_USR1;
+#endif
+
+	return 0;
+}
+
 void __led_init (led_id_t mask, int state)
 {
-	__led_set (mask, state);
+	int toggle_gpio;
+
+	toggle_gpio = get_led_gpio(mask);
+
+	if (toggle_gpio && !gpio_request(toggle_gpio, "led"))
+		__led_set(mask, state);
 }
 
 void __led_toggle (led_id_t mask)
 {
-	int state, toggle_gpio = 0;
-#ifdef STATUS_LED_BIT
-	if (!toggle_gpio && STATUS_LED_BIT & mask)
-		toggle_gpio = BEAGLE_LED_USR0;
-#endif
-#ifdef STATUS_LED_BIT1
-	if (!toggle_gpio && STATUS_LED_BIT1 & mask)
-		toggle_gpio = BEAGLE_LED_USR1;
-#endif
+	int state, toggle_gpio;
+
+	toggle_gpio = get_led_gpio(mask);
 	if (toggle_gpio) {
-		if (!gpio_request(toggle_gpio, "")) {
-			gpio_direction_output(toggle_gpio, 0);
-			state = gpio_get_value(toggle_gpio);
-			gpio_set_value(toggle_gpio, !state);
-		}
+		state = gpio_get_value(toggle_gpio);
+		gpio_direction_output(toggle_gpio, !state);
 	}
 }
 
 void __led_set (led_id_t mask, int state)
 {
-#ifdef STATUS_LED_BIT
-	if (STATUS_LED_BIT & mask) {
-		if (!gpio_request(BEAGLE_LED_USR0, "")) {
-			gpio_direction_output(BEAGLE_LED_USR0, 0);
-			gpio_set_value(BEAGLE_LED_USR0, state);
-		}
-	}
-#endif
-#ifdef STATUS_LED_BIT1
-	if (STATUS_LED_BIT1 & mask) {
-		if (!gpio_request(BEAGLE_LED_USR1, "")) {
-			gpio_direction_output(BEAGLE_LED_USR1, 0);
-			gpio_set_value(BEAGLE_LED_USR1, state);
-		}
-	}
-#endif
+	int toggle_gpio;
+
+	toggle_gpio = get_led_gpio(mask);
+	if (toggle_gpio)
+		gpio_direction_output(toggle_gpio, state);
 }

include/configs/ti_omap3_common.h

@@ -18,6 +18,15 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/omap3.h>
 
+#ifndef CONFIG_SPL_BUILD
+# define CONFIG_DM
+# define CONFIG_CMD_DM
+# define CONFIG_DM_GPIO
+# define CONFIG_DM_SERIAL
+# define CONFIG_OMAP_SERIAL
+# define CONFIG_SYS_MALLOC_F_LEN	(1 << 10)
+#endif
+
 /* The chip has SDRC controller */
 #define CONFIG_SDRC
 
@@ -28,16 +37,20 @@
 /* NS16550 Configuration */
 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
 #define CONFIG_SYS_NS16550
-#define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
-#define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
+#ifdef CONFIG_SPL_BUILD
+# define CONFIG_SYS_NS16550_SERIAL
+# define CONFIG_SYS_NS16550_REG_SIZE	(-4)
+# define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
+#endif
 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600, \
 					115200}
 
 /* Select serial console configuration */
 #define CONFIG_CONS_INDEX		3
+#ifdef CONFIG_SPL_BUILD
 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
 #define CONFIG_SERIAL3			3
+#endif
 
 /* Physical Memory Map */
 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0