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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-03-18 23:38:50 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-03-18 23:38:50 -0700 |
commit | 97eb3f24352ec6632c2127b35d8087d2a809a9b9 (patch) | |
tree | 722948059bbd325bbca232269490124231df80d4 /arch/arm/mach-omap1/gpio15xx.c | |
parent | 439581ec07fa9cf3f519dd461a2cf41cfd3adcb4 (diff) | |
parent | def179c271ac9b5020deca798470521f14d11edd (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/arm/mach-omap1/gpio15xx.c')
-rw-r--r-- | arch/arm/mach-omap1/gpio15xx.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/gpio15xx.c b/arch/arm/mach-omap1/gpio15xx.c new file mode 100644 index 00000000000..04c4b04cf54 --- /dev/null +++ b/arch/arm/mach-omap1/gpio15xx.c @@ -0,0 +1,99 @@ +/* + * OMAP15xx specific gpio init + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: + * Charulatha V <charu@ti.com> + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> + +#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE +#define OMAP1510_GPIO_BASE 0xFFFCE000 + +/* gpio1 */ +static struct __initdata resource omap15xx_mpu_gpio_resources[] = { + { + .start = OMAP1_MPUIO_VBASE, + .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_MPUIO, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { + .virtual_irq_start = IH_MPUIO_BASE, + .bank_type = METHOD_MPUIO, + .bank_width = 16, + .bank_stride = 1, +}; + +static struct __initdata platform_device omap15xx_mpu_gpio = { + .name = "omap_gpio", + .id = 0, + .dev = { + .platform_data = &omap15xx_mpu_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources), + .resource = omap15xx_mpu_gpio_resources, +}; + +/* gpio2 */ +static struct __initdata resource omap15xx_gpio_resources[] = { + { + .start = OMAP1510_GPIO_BASE, + .end = OMAP1510_GPIO_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_GPIO_BANK1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { + .virtual_irq_start = IH_GPIO_BASE, + .bank_type = METHOD_GPIO_1510, + .bank_width = 16, +}; + +static struct __initdata platform_device omap15xx_gpio = { + .name = "omap_gpio", + .id = 1, + .dev = { + .platform_data = &omap15xx_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap15xx_gpio_resources), + .resource = omap15xx_gpio_resources, +}; + +/* + * omap15xx_gpio_init needs to be done before + * machine_init functions access gpio APIs. + * Hence omap15xx_gpio_init is a postcore_initcall. + */ +static int __init omap15xx_gpio_init(void) +{ + if (!cpu_is_omap15xx()) + return -EINVAL; + + platform_device_register(&omap15xx_mpu_gpio); + platform_device_register(&omap15xx_gpio); + + gpio_bank_count = 2; + return 0; +} +postcore_initcall(omap15xx_gpio_init); |