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>

2 files changed, 60 insertions, 48 deletions

diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 94b99bf..4c5e381 100644
--- a/board/ti/beagle/beagle.c
+++ b/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;
diff --git a/board/ti/beagle/led.c b/board/ti/beagle/led.c
index 89b8dd3..a913a4c 100644
--- a/board/ti/beagle/led.c
+++ b/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);
 }