c7c8518498
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6: (61 commits) gpio/mxc/mxs: fix build error introduced by the irq_gc_ack() renaming mcp23s08: add i2c support mcp23s08: isolate spi specific parts mcp23s08: get rid of setup/teardown callbacks gpio/tegra: dt: add binding for gpio polarity mcp23s08: remove unused work queue gpio/da9052: remove a redundant assignment for gpio->da9052 gpio/mxc: add device tree probe support ARM: mxc: use ARCH_NR_GPIOS to define gpio number gpio/mxc: get rid of the uses of cpu_is_mx() gpio/mxc: add missing initialization of basic_mmio_gpio shadow variables gpio: Move mpc5200 gpio driver to drivers/gpio GPIO: DA9052 GPIO module v3 gpio/tegra: Use engineering names in DT compatible property of/gpio: Add new method for getting gpios under different property names gpio/dt: Refine GPIO device tree binding gpio/ml-ioh: fix off-by-one for displaying variable i in dev_err gpio/pca953x: Deprecate meaningless device-tree bindings gpio/pca953x: Remove dynamic platform data pointer gpio/pca953x: Fix IRQ support. ...
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/*
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* OMAP15xx specific gpio init
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*
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* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Author:
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* Charulatha V <charu@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/gpio.h>
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#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
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#define OMAP1510_GPIO_BASE 0xFFFCE000
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/* gpio1 */
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static struct __initdata resource omap15xx_mpu_gpio_resources[] = {
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{
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.start = OMAP1_MPUIO_VBASE,
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.end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = INT_MPUIO,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct omap_gpio_reg_offs omap15xx_mpuio_regs = {
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.revision = USHRT_MAX,
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.direction = OMAP_MPUIO_IO_CNTL,
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.datain = OMAP_MPUIO_INPUT_LATCH,
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.dataout = OMAP_MPUIO_OUTPUT,
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.irqstatus = OMAP_MPUIO_GPIO_INT,
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.irqenable = OMAP_MPUIO_GPIO_MASKIT,
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.irqenable_inv = true,
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};
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static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = {
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.virtual_irq_start = IH_MPUIO_BASE,
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.bank_type = METHOD_MPUIO,
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.bank_width = 16,
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.bank_stride = 1,
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.regs = &omap15xx_mpuio_regs,
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};
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static struct platform_device omap15xx_mpu_gpio = {
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.name = "omap_gpio",
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.id = 0,
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.dev = {
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.platform_data = &omap15xx_mpu_gpio_config,
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},
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.num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources),
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.resource = omap15xx_mpu_gpio_resources,
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};
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/* gpio2 */
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static struct __initdata resource omap15xx_gpio_resources[] = {
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{
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.start = OMAP1510_GPIO_BASE,
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.end = OMAP1510_GPIO_BASE + SZ_2K - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = INT_GPIO_BANK1,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct omap_gpio_reg_offs omap15xx_gpio_regs = {
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.revision = USHRT_MAX,
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.direction = OMAP1510_GPIO_DIR_CONTROL,
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.datain = OMAP1510_GPIO_DATA_INPUT,
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.dataout = OMAP1510_GPIO_DATA_OUTPUT,
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.irqstatus = OMAP1510_GPIO_INT_STATUS,
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.irqenable = OMAP1510_GPIO_INT_MASK,
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.irqenable_inv = true,
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};
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static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = {
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.virtual_irq_start = IH_GPIO_BASE,
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.bank_type = METHOD_GPIO_1510,
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.bank_width = 16,
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.regs = &omap15xx_gpio_regs,
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};
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static struct platform_device omap15xx_gpio = {
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.name = "omap_gpio",
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.id = 1,
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.dev = {
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.platform_data = &omap15xx_gpio_config,
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},
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.num_resources = ARRAY_SIZE(omap15xx_gpio_resources),
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.resource = omap15xx_gpio_resources,
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};
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/*
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* omap15xx_gpio_init needs to be done before
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* machine_init functions access gpio APIs.
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* Hence omap15xx_gpio_init is a postcore_initcall.
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*/
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static int __init omap15xx_gpio_init(void)
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{
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if (!cpu_is_omap15xx())
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return -EINVAL;
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platform_device_register(&omap15xx_mpu_gpio);
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platform_device_register(&omap15xx_gpio);
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gpio_bank_count = 2;
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return 0;
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}
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postcore_initcall(omap15xx_gpio_init);
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