CHROMIUM: arm: tegra: Add platfrom devices for Cypress trackpad

arch/arm/mach-tegra/board-seaboard.c

 /*
  * arch/arm/mach-tegra/board-seaboard.c
  *
  * Copyright (c) 2010, NVIDIA Corporation.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
@@ skipping 285 matching lines @@
         .bus_clk_rate   = { 400000, 0 },
 };
 
 static struct tegra_i2c_platform_data seaboard_dvc_platform_data = {
         .adapter_nr     = 4,
         .bus_count      = 1,
         .bus_clk_rate   = { 400000, 0 },
         .is_dvc         = true,
 };
 
+/* for Cypress Trackpad. */
+#include <linux/cyapa.h>
+
+static int cyapa_i2c_platform_init(void)
+{
+        return 0;
+}
+
+static int cyapa_i2c_platform_wakeup(void)
+{
+        return 0;
+}
+
+static struct cyapa_platform_data cyapa_i2c_platform_data = {
+        .flag = 0,
+        .gen = CYAPA_GEN2,
+        .power_state = CYAPA_PWR_ACTIVE,
+        .use_absolute_mode = false,
+        .use_polling_mode = false,
+        .polling_interval_time_active = CYAPA_ACTIVE_POLLING_INTVAL_TIME,
+        .polling_interval_time_lowpower = CYAPA_LOWPOWER_POLLING_INTVAL_TIME,
+        .active_touch_timeout = CYAPA_ACTIVE_TOUCH_TIMEOUT,
+        .name = CYAPA_I2C_NAME,
+        .irq_gpio = TEGRA_GPIO_CYTP_INT,
+        .report_rate = CYAPA_REPORT_RATE,
+
+        .wakeup = cyapa_i2c_platform_wakeup,
+        .init = cyapa_i2c_platform_init,
+};
+
 static struct i2c_board_info __initdata seaboard_i2c0_devices[] = {
         {
                 I2C_BOARD_INFO("wm8903", 0x1a),
         },
         {
                 I2C_BOARD_INFO("isl29018", 0x44),
                 .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ),
         },
+        {
+                I2C_BOARD_INFO(CYAPA_I2C_NAME, 0x67),
+                .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CYTP_INT),
+                .platform_data = &cyapa_i2c_platform_data,
+        },
 };
 
 static struct i2c_board_info __initdata seaboard_i2c4_devices[] = {
         {
                 I2C_BOARD_INFO("adt7461", 0x4c),
         },
         {
                 I2C_BOARD_INFO("ak8975", 0x0c),
                 .irq            = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_MAGNETOMETER),
         },
@@ skipping 218 matching lines @@
         seaboard_panel_init();
         seaboard_sdhci_init();
         seaboard_i2c_init();
         seaboard_power_init();
         seaboard_kbc_init();
 
         seaboard_wlan_init();
 
         tegra_gpio_enable(TEGRA_GPIO_LIDSWITCH);
         tegra_gpio_enable(TEGRA_GPIO_POWERKEY);
+
+        /* for Cypress trackpad. */
+        tegra_gpio_enable(TEGRA_GPIO_CYTP_INT);
+        gpio_request(TEGRA_GPIO_CYTP_INT, "gpio_cytp_int");
+        gpio_direction_input(TEGRA_GPIO_CYTP_INT);
 }
 
 MACHINE_START(SEABOARD, "seaboard")
         .boot_params    = 0x00000100,
         .init_irq       = tegra_init_irq,
         .init_machine   = tegra_seaboard_init,
         .map_io         = tegra_map_common_io,
         .timer          = &tegra_timer,
 MACHINE_END
 
 MACHINE_START(KAEN, "kaen")
         .boot_params    = 0x00000100,
         .init_irq       = tegra_init_irq,
         .init_machine   = tegra_seaboard_init,
         .map_io         = tegra_map_common_io,
         .timer          = &tegra_timer,
 MACHINE_END