diff options
Diffstat (limited to 'arch/arm/mach-omap2/common-board-devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/common-board-devices.c | 71 |
1 files changed, 17 insertions, 54 deletions
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c index bcb0c581716..d246efd9f73 100644 --- a/arch/arm/mach-omap2/common-board-devices.c +++ b/arch/arm/mach-omap2/common-board-devices.c @@ -24,16 +24,15 @@ #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> -#include <plat/mcspi.h> -#include <plat/nand.h> +#include <linux/platform_data/spi-omap2-mcspi.h> +#include "common.h" #include "common-board-devices.h" #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) static struct omap2_mcspi_device_config ads7846_mcspi_config = { .turbo_mode = 0, - .single_channel = 1, /* 0: slave, 1: master */ }; static struct ads7846_platform_data ads7846_config = { @@ -64,25 +63,35 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, 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; } - gpio_export(gpio_pendown, 0); if (gpio_debounce) gpio_set_debounce(gpio_pendown, gpio_debounce); - } - ads7846_config.gpio_pendown = gpio_pendown; + gpio_export(gpio_pendown, 0); + } spi_bi->bus_num = bus_num; - spi_bi->irq = OMAP_GPIO_IRQ(gpio_pendown); + spi_bi->irq = gpio_to_irq(gpio_pendown); + + ads7846_config.gpio_pendown = gpio_pendown; - if (board_pdata) + 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); } @@ -92,49 +101,3 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, { } #endif - -#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) -static struct omap_nand_platform_data nand_data; - -void __init omap_nand_flash_init(int options, struct mtd_partition *parts, - int nr_parts) -{ - u8 cs = 0; - u8 nandcs = GPMC_CS_NUM + 1; - - /* find out the chip-select on which NAND exists */ - while (cs < GPMC_CS_NUM) { - u32 ret = 0; - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - - if ((ret & 0xC00) == 0x800) { - printk(KERN_INFO "Found NAND on CS%d\n", cs); - if (nandcs > GPMC_CS_NUM) - nandcs = cs; - } - cs++; - } - - if (nandcs > GPMC_CS_NUM) { - printk(KERN_INFO "NAND: Unable to find configuration " - "in GPMC\n "); - return; - } - - if (nandcs < GPMC_CS_NUM) { - nand_data.cs = nandcs; - nand_data.parts = parts; - nand_data.nr_parts = nr_parts; - nand_data.devsize = options; - - printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); - if (gpmc_nand_init(&nand_data) < 0) - printk(KERN_ERR "Unable to register NAND device\n"); - } -} -#else -void __init omap_nand_flash_init(int options, struct mtd_partition *parts, - int nr_parts) -{ -} -#endif |
