diff options
Diffstat (limited to 'arch/arm/mach-omap2/common-board-devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/common-board-devices.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c deleted file mode 100644 index 5388fcd3de72..000000000000 --- a/arch/arm/mach-omap2/common-board-devices.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * common-board-devices.c - * - * Copyright (C) 2011 CompuLab, Ltd. - * Author: Mike Rapoport <mike@compulab.co.il> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/gpio.h> -#include <linux/spi/spi.h> -#include <linux/spi/ads7846.h> - -#include <linux/platform_data/spi-omap2-mcspi.h> - -#include "common.h" -#include "common-board-devices.h" - -#if IS_ENABLED(CONFIG_TOUCHSCREEN_ADS7846) -static struct omap2_mcspi_device_config ads7846_mcspi_config = { - .turbo_mode = 0, -}; - -static struct ads7846_platform_data ads7846_config = { - .x_max = 0x0fff, - .y_max = 0x0fff, - .x_plate_ohms = 180, - .pressure_max = 255, - .debounce_max = 10, - .debounce_tol = 3, - .debounce_rep = 1, - .gpio_pendown = -EINVAL, - .keep_vref_on = 1, -}; - -static struct spi_board_info ads7846_spi_board_info __initdata = { - .modalias = "ads7846", - .bus_num = -EINVAL, - .chip_select = 0, - .max_speed_hz = 1500000, - .controller_data = &ads7846_mcspi_config, - .irq = -EINVAL, - .platform_data = &ads7846_config, -}; - -void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, - struct ads7846_platform_data *board_pdata) -{ - struct spi_board_info *spi_bi = &ads7846_spi_board_info; - int err; - - /* - * If a board defines get_pendown_state() function, request the pendown - * GPIO and set the GPIO debounce time. - * If a board does not define the get_pendown_state() function, then - * the ads7846 driver will setup the pendown GPIO itself. - */ - if (board_pdata && board_pdata->get_pendown_state) { - err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown"); - if (err) { - pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err); - return; - } - - if (gpio_debounce) - gpio_set_debounce(gpio_pendown, gpio_debounce); - - gpio_export(gpio_pendown, 0); - } - - spi_bi->bus_num = bus_num; - spi_bi->irq = gpio_to_irq(gpio_pendown); - - ads7846_config.gpio_pendown = gpio_pendown; - - if (board_pdata) { - board_pdata->gpio_pendown = gpio_pendown; - board_pdata->gpio_pendown_debounce = gpio_debounce; - spi_bi->platform_data = board_pdata; - } - - spi_register_board_info(&ads7846_spi_board_info, 1); -} -#else -void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, - struct ads7846_platform_data *board_pdata) -{ -} -#endif |