diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap4panda.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap4panda.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index a94ce07be72f..795ffc461522 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -34,6 +34,7 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <plat/display.h> #include <plat/board.h> #include <plat/common.h> @@ -49,6 +50,8 @@ #define GPIO_HUB_NRESET 62 #define GPIO_WIFI_PMENA 43 #define GPIO_WIFI_IRQ 53 +#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */ +#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ /* wl127x BT, FM, GPS connectivity chip */ static int wl1271_gpios[] = {46, -1, -1}; @@ -467,6 +470,76 @@ static struct omap_board_mux board_mux[] __initdata = { #define board_mux NULL #endif +static void omap4_panda_hdmi_mux_init(void) +{ + /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */ + omap_mux_init_signal("hdmi_hpd", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("hdmi_cec", + OMAP_PIN_INPUT_PULLUP); + /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */ + omap_mux_init_signal("hdmi_ddc_scl", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("hdmi_ddc_sda", + OMAP_PIN_INPUT_PULLUP); +} + +static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev) +{ + int status; + + status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, + "hdmi_gpio_hpd"); + if (status) { + pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD); + return status; + } + status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, + "hdmi_gpio_ls_oe"); + if (status) { + pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE); + goto error1; + } + + return 0; + +error1: + gpio_free(HDMI_GPIO_HPD); + + return status; +} + +static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev) +{ + gpio_free(HDMI_GPIO_LS_OE); + gpio_free(HDMI_GPIO_HPD); +} + +static struct omap_dss_device omap4_panda_hdmi_device = { + .name = "hdmi", + .driver_name = "hdmi_panel", + .type = OMAP_DISPLAY_TYPE_HDMI, + .platform_enable = omap4_panda_panel_enable_hdmi, + .platform_disable = omap4_panda_panel_disable_hdmi, + .channel = OMAP_DSS_CHANNEL_DIGIT, +}; + +static struct omap_dss_device *omap4_panda_dss_devices[] = { + &omap4_panda_hdmi_device, +}; + +static struct omap_dss_board_info omap4_panda_dss_data = { + .num_devices = ARRAY_SIZE(omap4_panda_dss_devices), + .devices = omap4_panda_dss_devices, + .default_device = &omap4_panda_hdmi_device, +}; + +void omap4_panda_display_init(void) +{ + omap4_panda_hdmi_mux_init(); + omap_display_init(&omap4_panda_dss_data); +} + static void __init omap4_panda_init(void) { int package = OMAP_PACKAGE_CBS; @@ -485,6 +558,7 @@ static void __init omap4_panda_init(void) omap4_twl6030_hsmmc_init(mmc); omap4_ehci_init(); usb_musb_init(&musb_board_data); + omap4_panda_display_init(); } static void __init omap4_panda_map_io(void) |
