diff options
Diffstat (limited to 'package/system/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c')
| -rw-r--r-- | package/system/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/package/system/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c b/package/system/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c deleted file mode 100644 index dfb7f6abe7..0000000000 --- a/package/system/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * SPI driver for the Linksys WRT55AG v2 board. - * - * Copyright (C) 2008 Gabor Juhos <juhosg at openwrt.org> - * - * This file was based on the mmc_over_gpio driver: - * Copyright 2008 Michael Buesch <mb@bu3sch.de> - * - * 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. - */ - -#include <linux/platform_device.h> -#include <linux/spi/spi_gpio_old.h> -#include <linux/module.h> - -#define DRV_NAME "wrt55agv2-spidevs" -#define DRV_DESC "SPI driver for the WRT55AG v2 board" -#define DRV_VERSION "0.1.0" -#define PFX DRV_NAME ": " - -#define GPIO_PIN_MISO 1 -#define GPIO_PIN_CS 2 -#define GPIO_PIN_CLK 3 -#define GPIO_PIN_MOSI 4 - -static struct platform_device *spi_gpio_dev; - -static int __init boardinfo_setup(struct spi_board_info *bi, - struct spi_master *master, void *data) -{ - - strlcpy(bi->modalias, "spi-ks8995", sizeof(bi->modalias)); - - bi->max_speed_hz = 5000000 /* Hz */; - bi->bus_num = master->bus_num; - bi->mode = SPI_MODE_0; - - return 0; -} - -static int __init wrt55agv2_spidevs_init(void) -{ - struct spi_gpio_platform_data pdata; - int err; - - spi_gpio_dev = platform_device_alloc("spi-gpio", 0); - if (!spi_gpio_dev) { - printk(KERN_ERR PFX "no memory for spi-gpio device\n"); - return -ENOMEM; - } - - memset(&pdata, 0, sizeof(pdata)); - pdata.pin_miso = GPIO_PIN_MISO; - pdata.pin_cs = GPIO_PIN_CS; - pdata.pin_clk = GPIO_PIN_CLK; - pdata.pin_mosi = GPIO_PIN_MOSI; - pdata.cs_activelow = 1; - pdata.no_spi_delay = 1; - pdata.boardinfo_setup = boardinfo_setup; - pdata.boardinfo_setup_data = NULL; - - err = platform_device_add_data(spi_gpio_dev, &pdata, sizeof(pdata)); - if (err) - goto err_free_dev; - - err = platform_device_register(spi_gpio_dev); - if (err) { - printk(KERN_ERR PFX "unable to register device\n"); - goto err_free_pdata; - } - - return 0; - -err_free_pdata: - kfree(spi_gpio_dev->dev.platform_data); - spi_gpio_dev->dev.platform_data = NULL; - -err_free_dev: - platform_device_put(spi_gpio_dev); - return err; -} - -static void __exit wrt55agv2_spidevs_cleanup(void) -{ - if (!spi_gpio_dev) - return; - - platform_device_unregister(spi_gpio_dev); - - kfree(spi_gpio_dev->dev.platform_data); - spi_gpio_dev->dev.platform_data = NULL; - platform_device_put(spi_gpio_dev); -} - -static int __init wrt55agv2_spidevs_modinit(void) -{ - printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n"); - return wrt55agv2_spidevs_init(); -} -module_init(wrt55agv2_spidevs_modinit); - -static void __exit wrt55agv2_spidevs_modexit(void) -{ - wrt55agv2_spidevs_cleanup(); -} -module_exit(wrt55agv2_spidevs_modexit); - -MODULE_DESCRIPTION(DRV_DESC); -MODULE_VERSION(DRV_VERSION); -MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); -MODULE_LICENSE("GPL v2"); - |