OMAP: 4430SDP/Panda: add HDMI HPD gpio

commit aa74274b upstream.

Both Panda and 4430SDP use GPIO 63 as HDMI hot-plug-detect. Configure
this GPIO in the board files.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/mach-omap2/board-4430sdp.c

@@ -51,6 +51,7 @@
 #define OMAP4_SFH7741_ENABLE_GPIO		188
 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
+#define HDMI_GPIO_HPD  63 /* Hotplug detect */
 
 static const int sdp4430_keymap[] = {
 	KEY(0, 0, KEY_E),
@@ -589,6 +590,7 @@ static void sdp4430_hdmi_mux_init(void)
 static struct gpio sdp4430_hdmi_gpios[] = {
 	{ HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
 	{ HDMI_GPIO_LS_OE,	GPIOF_OUT_INIT_HIGH,	"hdmi_gpio_ls_oe" },
+	{ HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
 };
 
 static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
@@ -634,6 +636,7 @@ void omap_4430sdp_display_init(void)
 
 	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
 	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
 }
 
 #ifdef CONFIG_OMAP_MUX

arch/arm/mach-omap2/board-omap4panda.c

@@ -54,6 +54,7 @@
 #define GPIO_WIFI_IRQ		53
 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
+#define HDMI_GPIO_HPD  63 /* Hotplug detect */
 
 /* wl127x BT, FM, GPS connectivity chip */
 static int wl1271_gpios[] = {46, -1, -1};
@@ -625,6 +626,7 @@ static void omap4_panda_hdmi_mux_init(void)
 static struct gpio panda_hdmi_gpios[] = {
 	{ HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
 	{ HDMI_GPIO_LS_OE,	GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
+	{ HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
 };
 
 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
@@ -677,6 +679,7 @@ void omap4_panda_display_init(void)
 
 	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
 	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
 }
 
 static void __init omap4_panda_init(void)