bfin: add bfin_ad73311_machine platform device

we can pass sport enable pin through platform data
if customer board has reset pin, add it in ad73311_gpio array
and modify id to 2

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

arch/blackfin/mach-bf537/boards/stamp.c

@@ -2593,6 +2593,21 @@ static struct platform_device bfin_ac97_pcm = {
 };
 #endif
 
+#if defined(CONFIG_SND_BF5XX_SOC_AD73311) || \
+				defined(CONFIG_SND_BF5XX_SOC_AD73311_MODULE)
+static const unsigned ad73311_gpio[] = {
+	GPIO_PF4,
+};
+
+static struct platform_device bfin_ad73311_machine = {
+	.name = "bfin-snd-ad73311",
+	.id = 1,
+	.dev = {
+		.platform_data = (void *)ad73311_gpio,
+	},
+};
+#endif
+
 #if defined(CONFIG_SND_SOC_AD73311) || defined(CONFIG_SND_SOC_AD73311_MODULE)
 static struct platform_device bfin_ad73311_codec_device = {
 	.name = "ad73311",
@@ -2862,6 +2877,11 @@ static struct platform_device *stamp_devices[] __initdata = {
 	&bfin_ac97_pcm,
 #endif
 
+#if defined(CONFIG_SND_BF5XX_SOC_AD73311) || \
+		defined(CONFIG_SND_BF5XX_SOC_AD73311_MODULE)
+	&bfin_ad73311_machine,
+#endif
+
 #if defined(CONFIG_SND_SOC_AD73311) || defined(CONFIG_SND_SOC_AD73311_MODULE)
 	&bfin_ad73311_codec_device,
 #endif