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- /*
- * 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>
- #include <linux/platform_data/gpio-omap.h>
- #include <mach/irqs.h>
- #define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
- #define OMAP1510_GPIO_BASE 0xFFFCE000
- /* gpio1 */
- static struct 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 omap_gpio_reg_offs omap15xx_mpuio_regs = {
- .revision = USHRT_MAX,
- .direction = OMAP_MPUIO_IO_CNTL,
- .datain = OMAP_MPUIO_INPUT_LATCH,
- .dataout = OMAP_MPUIO_OUTPUT,
- .irqstatus = OMAP_MPUIO_GPIO_INT,
- .irqenable = OMAP_MPUIO_GPIO_MASKIT,
- .irqenable_inv = true,
- .irqctrl = OMAP_MPUIO_GPIO_INT_EDGE,
- };
- static struct omap_gpio_platform_data omap15xx_mpu_gpio_config = {
- .is_mpuio = true,
- .bank_width = 16,
- .bank_stride = 1,
- .regs = &omap15xx_mpuio_regs,
- };
- static struct 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 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 omap_gpio_reg_offs omap15xx_gpio_regs = {
- .revision = USHRT_MAX,
- .direction = OMAP1510_GPIO_DIR_CONTROL,
- .datain = OMAP1510_GPIO_DATA_INPUT,
- .dataout = OMAP1510_GPIO_DATA_OUTPUT,
- .irqstatus = OMAP1510_GPIO_INT_STATUS,
- .irqenable = OMAP1510_GPIO_INT_MASK,
- .irqenable_inv = true,
- .irqctrl = OMAP1510_GPIO_INT_CONTROL,
- .pinctrl = OMAP1510_GPIO_PIN_CONTROL,
- };
- static struct omap_gpio_platform_data omap15xx_gpio_config = {
- .bank_width = 16,
- .regs = &omap15xx_gpio_regs,
- };
- static struct 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);
- return 0;
- }
- postcore_initcall(omap15xx_gpio_init);
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