OMAP: 4430SDP/Panda: add HDMI HPD gpio

commit aa74274b464d4aa24703963ac89a0ee942d5d267 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>

diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 7bcafb9..5c2aaa0 100644 (file)
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -54,6 +54,7 @@
 #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 */
 #define DISPLAY_SEL_GPIO       59      /* LCD2/PicoDLP switch */
 #define DLP_POWER_ON_GPIO      40
 
@@ -608,6 +609,7 @@ 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)
@@ -827,6 +829,7 @@ static 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

diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 27fc162..e913c80 100644 (file)
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -53,6 +53,7 @@
 #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};
@@ -492,6 +493,7 @@ 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)
@@ -544,6 +546,7 @@ 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)