From patchwork Fri Feb 25 14:21:55 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "K, Mythri P" X-Patchwork-Id: 590191 X-Patchwork-Delegate: tomi.valkeinen@nokia.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p1PDsTnd022229 for ; Fri, 25 Feb 2011 13:54:55 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755873Ab1BYNyy (ORCPT ); Fri, 25 Feb 2011 08:54:54 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:46328 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755703Ab1BYNyx (ORCPT ); Fri, 25 Feb 2011 08:54:53 -0500 Received: from dlep34.itg.ti.com ([157.170.170.115]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id p1PDsre2007204 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 25 Feb 2011 07:54:53 -0600 Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep34.itg.ti.com (8.13.7/8.13.7) with ESMTP id p1PDsqtC014856; Fri, 25 Feb 2011 07:54:53 -0600 (CST) Received: from localhost (ldc.apr.dhcp.ti.com [172.24.137.131]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id p1PDspf12239; Fri, 25 Feb 2011 07:54:51 -0600 (CST) From: Mythri P K To: linux-omap@vger.kernel.org Cc: tomi.valkeinen@ti.com, Mythri P K Subject: [PATCH 8/8] OMAP4 : DSS2 : Add display structure in the board file for OMAP4 pandaboard Date: Fri, 25 Feb 2011 19:51:55 +0530 Message-Id: <1298643715-21540-9-git-send-email-mythripk@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1298643715-21540-1-git-send-email-mythripk@ti.com> References: <1298643715-21540-1-git-send-email-mythripk@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 25 Feb 2011 13:54:55 +0000 (UTC) diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index e944025..86ec234 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -45,6 +46,8 @@ #define GPIO_HUB_POWER 1 #define GPIO_HUB_NRESET 62 +#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */ +#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ static struct gpio_led gpio_leds[] = { { @@ -397,6 +400,84 @@ static struct omap_board_mux board_mux[] __initdata = { #define board_mux NULL #endif +static void sdp4430_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 sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev) +{ + int status; + + status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_DIR_OUT, + "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_DIR_OUT, + "hdmi_gpio_ls_oe"); + if (status) { + pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE); + goto error1; + } + + /* The value set a pulse */ + gpio_set_value(HDMI_GPIO_HPD, 1); + gpio_set_value(HDMI_GPIO_LS_OE, 1); + gpio_set_value(HDMI_GPIO_HPD, 0); + gpio_set_value(HDMI_GPIO_LS_OE, 0); + gpio_set_value(HDMI_GPIO_HPD, 1); + gpio_set_value(HDMI_GPIO_LS_OE, 1); + + return 0; + +error1: + gpio_free(HDMI_GPIO_HPD); + + return status; +} + +static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev) +{ + gpio_free(HDMI_GPIO_LS_OE); + gpio_free(HDMI_GPIO_HPD); +} + +static struct omap_dss_device sdp4430_hdmi_device = { + .name = "hdmi", + .driver_name = "hdmi_panel", + .type = OMAP_DISPLAY_TYPE_HDMI, + .platform_enable = sdp4430_panel_enable_hdmi, + .platform_disable = sdp4430_panel_disable_hdmi, + .channel = OMAP_DSS_CHANNEL_DIGIT, +}; + +static struct omap_dss_device *sdp4430_dss_devices[] = { + &sdp4430_hdmi_device, +}; + +static struct omap_dss_board_info sdp4430_dss_data = { + .num_devices = ARRAY_SIZE(sdp4430_dss_devices), + .devices = sdp4430_dss_devices, + .default_device = &sdp4430_hdmi_device, +}; + +void omap_panda_display_init(void) +{ + sdp4430_hdmi_mux_init(); + omap_display_init(&sdp4430_dss_data); +} + static void __init omap4_panda_init(void) { int package = OMAP_PACKAGE_CBS; @@ -411,6 +492,7 @@ static void __init omap4_panda_init(void) omap4_twl6030_hsmmc_init(mmc); omap4_ehci_init(); usb_musb_init(&musb_board_data); + omap_panda_display_init(); } static void __init omap4_panda_map_io(void)