From patchwork Thu Aug 19 11:42:10 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shubhrajyoti Datta X-Patchwork-Id: 120341 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o7JBgHC7026787 for ; Thu, 19 Aug 2010 11:42:17 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752583Ab0HSLmQ (ORCPT ); Thu, 19 Aug 2010 07:42:16 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:56852 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752074Ab0HSLmP (ORCPT ); Thu, 19 Aug 2010 07:42:15 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id o7JBgChu003130 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 19 Aug 2010 06:42:14 -0500 Received: from localhost.localdomain (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id o7JBgA92005878; Thu, 19 Aug 2010 17:12:11 +0530 (IST) From: Shubhrajyoti D To: linux-omap@vger.kernel.org Cc: linux-input@vger.kernel.org, Shubhrajyoti D Subject: [RFC PATCH] Board support for the the GPIO keys Date: Thu, 19 Aug 2010 17:12:10 +0530 Message-Id: <1282218130-17111-1-git-send-email-shubhrajyoti@ti.com> X-Mailer: git-send-email 1.5.6.6 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Thu, 19 Aug 2010 11:42:17 +0000 (UTC) diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 9447644..7f619bf 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -40,6 +41,10 @@ #define ETH_KS8851_IRQ 34 #define ETH_KS8851_POWER_ON 48 #define ETH_KS8851_QUART 138 +#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184 +#define OMAP4_SFH7741_ENABLE_GPIO 188 +static int omap_prox_activate(struct device *dev); +static void omap_prox_deactivate(struct device *dev); static struct gpio_led sdp4430_gpio_leds[] = { { @@ -76,11 +81,33 @@ static struct gpio_led sdp4430_gpio_leds[] = { }, }; +static struct gpio_keys_button sdp4430_gpio_keys[] = { + { + .desc = "Proximity Sensor", + .type = EV_SW, + .code = SW_FRONT_PROXIMITY, + .gpio = OMAP4_SFH7741_SENSOR_OUTPUT_GPIO, + .active_low = 0, + } +}; static struct gpio_led_platform_data sdp4430_led_data = { .leds = sdp4430_gpio_leds, .num_leds = ARRAY_SIZE(sdp4430_gpio_leds), }; +static struct gpio_keys_platform_data sdp4430_gpio_keys_data = { + .buttons = sdp4430_gpio_keys, + .nbuttons = ARRAY_SIZE(sdp4430_gpio_keys), + .enable = omap_prox_activate, + .disable = omap_prox_deactivate, +}; +static struct platform_device sdp4430_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &sdp4430_gpio_keys_data, + }, +}; static struct platform_device sdp4430_leds_gpio = { .name = "leds-gpio", @@ -161,6 +188,7 @@ static struct platform_device sdp4430_lcd_device = { static struct platform_device *sdp4430_devices[] __initdata = { &sdp4430_lcd_device, + &sdp4430_gpio_keys_device, &sdp4430_leds_gpio, }; @@ -426,6 +454,33 @@ static int __init omap4_i2c_init(void) omap_register_i2c_bus(4, 400, NULL, 0); return 0; } +static int omap_prox_activate(struct device *dev) +{ + gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1); + return 0; +} +static void omap_prox_deactivate(struct device *dev) +{ + gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0); +} +static void omap_sfh7741prox_init(void) +{ + int error; + + error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741"); + if (error < 0) { + pr_err("failed to request GPIO %d, error %d\n", + OMAP4_SFH7741_ENABLE_GPIO, error); + return; + } + + error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 1); + if (error < 0) { + pr_err("%s: GPIO configuration failed: GPIO %d,error %d\n",\ + __func__, OMAP4_SFH7741_ENABLE_GPIO, error); + gpio_free(OMAP4_SFH7741_ENABLE_GPIO); + } +} static void __init omap_4430sdp_init(void) { int status; @@ -448,6 +503,7 @@ static void __init omap_4430sdp_init(void) spi_register_board_info(sdp4430_spi_board_info, ARRAY_SIZE(sdp4430_spi_board_info)); } + omap_sfh7741prox_init(); } static void __init omap_4430sdp_map_io(void)