From patchwork Thu Nov 25 15:49:37 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srikar X-Patchwork-Id: 357022 X-Patchwork-Delegate: tony@atomide.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 oAPFolgN021624 for ; Thu, 25 Nov 2010 15:50:47 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753426Ab0KYPup (ORCPT ); Thu, 25 Nov 2010 10:50:45 -0500 Received: from smtp.nokia.com ([147.243.128.24]:45769 "EHLO mgw-da01.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753023Ab0KYPup (ORCPT ); Thu, 25 Nov 2010 10:50:45 -0500 Received: from nokia.com (localhost [127.0.0.1]) by mgw-da01.nokia.com (Switch-3.4.3/Switch-3.4.3) with ESMTP id oAPFoYTC021614; Thu, 25 Nov 2010 17:50:34 +0200 Received: from srikar.research.nokia.com ([helruo-dhcp022101.ntc.nokia.com [172.21.22.101]]) by mgw-da01.nokia.com with RELAY id oAPFoQs6021304 ; Thu, 25 Nov 2010 17:50:28 +0200 From: Srikar To: tony@atomide.com, linux@arm.linux.org.uk, linux-omap@vger.kernel.org Cc: Srikar Subject: [PATCH 1/3] tsc2005 driver support on rx51 Date: Thu, 25 Nov 2010 17:49:37 +0200 Message-Id: <1290700177-26602-1-git-send-email-ext-srikar.1.bhavanarayana@nokia.com> X-Mailer: git-send-email 1.7.1 X-Nokia-AV: Clean 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-4.2.3 (demeter1.kernel.org [140.211.167.41]); Thu, 25 Nov 2010 15:50:47 +0000 (UTC) diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 3fec4d6..e56d6d7 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -49,6 +50,9 @@ #define RX51_WL1251_POWER_GPIO 87 #define RX51_WL1251_IRQ_GPIO 42 +#define RX51_TSC2005_RESET_GPIO 104 +#define RX51_TSC2005_IRQ_GPIO 100 + /* list all spi devices here */ enum { RX51_SPI_WL1251, @@ -57,6 +61,7 @@ enum { }; static struct wl12xx_platform_data wl1251_pdata; +static struct tsc2005_platform_data tsc2005_pdata; #if defined(CONFIG_SENSORS_TSL2563) || defined(CONFIG_SENSORS_TSL2563_MODULE) static struct tsl2563_platform_data rx51_tsl2563_platform_data = { @@ -100,10 +105,10 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = { .modalias = "tsc2005", .bus_num = 1, .chip_select = 0, - /* .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),*/ + .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO), .max_speed_hz = 6000000, .controller_data = &tsc2005_mcspi_config, - /* .platform_data = &tsc2005_config,*/ + .platform_data = &tsc2005_pdata, }, }; @@ -836,6 +841,42 @@ static inline void board_onenand_init(void) #endif +static struct tsc2005_platform_data tsc2005_pdata = { + .ts_pressure_max = 2048, + .ts_pressure_fudge = 2, + .ts_x_max = 4096, + .ts_x_fudge = 4, + .ts_y_max = 4096, + .ts_y_fudge = 7, + .ts_x_plate_ohm = 280, + .esd_timeout_ms = 8000, +}; + +static void rx51_tsc2005_set_reset(bool enable) +{ + gpio_set_value(RX51_TSC2005_RESET_GPIO, enable); +} + +static void __init rx51_init_tsc2005(void) +{ + int r; + + r = gpio_request(RX51_TSC2005_IRQ_GPIO, "tsc2005 IRQ"); + if (r >= 0) + gpio_direction_input(RX51_TSC2005_IRQ_GPIO); + else + printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 IRQ"); + + r = gpio_request(RX51_TSC2005_RESET_GPIO, "tsc2005 reset"); + if (r >= 0) { + gpio_direction_output(RX51_TSC2005_RESET_GPIO, 1); + tsc2005_pdata.set_reset = rx51_tsc2005_set_reset; + } else { + printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 reset"); + tsc2005_pdata.esd_timeout_ms = 0; + } +} + #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) static struct omap_smc91x_platform_data board_smc91x_data = { @@ -920,6 +961,7 @@ void __init rx51_peripherals_init(void) board_smc91x_init(); rx51_add_gpio_keys(); rx51_init_wl1251(); + rx51_init_tsc2005(); spi_register_board_info(rx51_peripherals_spi_board_info, ARRAY_SIZE(rx51_peripherals_spi_board_info)); omap2_hsmmc_init(mmc);