mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
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. ...
290 lines
7.1 KiB
C
290 lines
7.1 KiB
C
/*
|
|
* OMAP7xx 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 OMAP7XX_GPIO1_BASE 0xfffbc000
|
|
#define OMAP7XX_GPIO2_BASE 0xfffbc800
|
|
#define OMAP7XX_GPIO3_BASE 0xfffbd000
|
|
#define OMAP7XX_GPIO4_BASE 0xfffbd800
|
|
#define OMAP7XX_GPIO5_BASE 0xfffbe000
|
|
#define OMAP7XX_GPIO6_BASE 0xfffbe800
|
|
#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
|
|
|
|
/* mpu gpio */
|
|
static struct __initdata resource omap7xx_mpu_gpio_resources[] = {
|
|
{
|
|
.start = OMAP1_MPUIO_VBASE,
|
|
.end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_MPUIO,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct omap_gpio_reg_offs omap7xx_mpuio_regs = {
|
|
.revision = USHRT_MAX,
|
|
.direction = OMAP_MPUIO_IO_CNTL / 2,
|
|
.datain = OMAP_MPUIO_INPUT_LATCH / 2,
|
|
.dataout = OMAP_MPUIO_OUTPUT / 2,
|
|
.irqstatus = OMAP_MPUIO_GPIO_INT / 2,
|
|
.irqenable = OMAP_MPUIO_GPIO_MASKIT / 2,
|
|
.irqenable_inv = true,
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = {
|
|
.virtual_irq_start = IH_MPUIO_BASE,
|
|
.bank_type = METHOD_MPUIO,
|
|
.bank_width = 32,
|
|
.bank_stride = 2,
|
|
.regs = &omap7xx_mpuio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_mpu_gpio = {
|
|
.name = "omap_gpio",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &omap7xx_mpu_gpio_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_mpu_gpio_resources),
|
|
.resource = omap7xx_mpu_gpio_resources,
|
|
};
|
|
|
|
/* gpio1 */
|
|
static struct __initdata resource omap7xx_gpio1_resources[] = {
|
|
{
|
|
.start = OMAP7XX_GPIO1_BASE,
|
|
.end = OMAP7XX_GPIO1_BASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_GPIO_BANK1,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct omap_gpio_reg_offs omap7xx_gpio_regs = {
|
|
.revision = USHRT_MAX,
|
|
.direction = OMAP7XX_GPIO_DIR_CONTROL,
|
|
.datain = OMAP7XX_GPIO_DATA_INPUT,
|
|
.dataout = OMAP7XX_GPIO_DATA_OUTPUT,
|
|
.irqstatus = OMAP7XX_GPIO_INT_STATUS,
|
|
.irqenable = OMAP7XX_GPIO_INT_MASK,
|
|
.irqenable_inv = true,
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_gpio1_config = {
|
|
.virtual_irq_start = IH_GPIO_BASE,
|
|
.bank_type = METHOD_GPIO_7XX,
|
|
.bank_width = 32,
|
|
.regs = &omap7xx_gpio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_gpio1 = {
|
|
.name = "omap_gpio",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &omap7xx_gpio1_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_gpio1_resources),
|
|
.resource = omap7xx_gpio1_resources,
|
|
};
|
|
|
|
/* gpio2 */
|
|
static struct __initdata resource omap7xx_gpio2_resources[] = {
|
|
{
|
|
.start = OMAP7XX_GPIO2_BASE,
|
|
.end = OMAP7XX_GPIO2_BASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_GPIO_BANK2,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_gpio2_config = {
|
|
.virtual_irq_start = IH_GPIO_BASE + 32,
|
|
.bank_type = METHOD_GPIO_7XX,
|
|
.bank_width = 32,
|
|
.regs = &omap7xx_gpio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_gpio2 = {
|
|
.name = "omap_gpio",
|
|
.id = 2,
|
|
.dev = {
|
|
.platform_data = &omap7xx_gpio2_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_gpio2_resources),
|
|
.resource = omap7xx_gpio2_resources,
|
|
};
|
|
|
|
/* gpio3 */
|
|
static struct __initdata resource omap7xx_gpio3_resources[] = {
|
|
{
|
|
.start = OMAP7XX_GPIO3_BASE,
|
|
.end = OMAP7XX_GPIO3_BASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_GPIO_BANK3,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_gpio3_config = {
|
|
.virtual_irq_start = IH_GPIO_BASE + 64,
|
|
.bank_type = METHOD_GPIO_7XX,
|
|
.bank_width = 32,
|
|
.regs = &omap7xx_gpio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_gpio3 = {
|
|
.name = "omap_gpio",
|
|
.id = 3,
|
|
.dev = {
|
|
.platform_data = &omap7xx_gpio3_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_gpio3_resources),
|
|
.resource = omap7xx_gpio3_resources,
|
|
};
|
|
|
|
/* gpio4 */
|
|
static struct __initdata resource omap7xx_gpio4_resources[] = {
|
|
{
|
|
.start = OMAP7XX_GPIO4_BASE,
|
|
.end = OMAP7XX_GPIO4_BASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_GPIO_BANK4,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_gpio4_config = {
|
|
.virtual_irq_start = IH_GPIO_BASE + 96,
|
|
.bank_type = METHOD_GPIO_7XX,
|
|
.bank_width = 32,
|
|
.regs = &omap7xx_gpio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_gpio4 = {
|
|
.name = "omap_gpio",
|
|
.id = 4,
|
|
.dev = {
|
|
.platform_data = &omap7xx_gpio4_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_gpio4_resources),
|
|
.resource = omap7xx_gpio4_resources,
|
|
};
|
|
|
|
/* gpio5 */
|
|
static struct __initdata resource omap7xx_gpio5_resources[] = {
|
|
{
|
|
.start = OMAP7XX_GPIO5_BASE,
|
|
.end = OMAP7XX_GPIO5_BASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_GPIO_BANK5,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_gpio5_config = {
|
|
.virtual_irq_start = IH_GPIO_BASE + 128,
|
|
.bank_type = METHOD_GPIO_7XX,
|
|
.bank_width = 32,
|
|
.regs = &omap7xx_gpio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_gpio5 = {
|
|
.name = "omap_gpio",
|
|
.id = 5,
|
|
.dev = {
|
|
.platform_data = &omap7xx_gpio5_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_gpio5_resources),
|
|
.resource = omap7xx_gpio5_resources,
|
|
};
|
|
|
|
/* gpio6 */
|
|
static struct __initdata resource omap7xx_gpio6_resources[] = {
|
|
{
|
|
.start = OMAP7XX_GPIO6_BASE,
|
|
.end = OMAP7XX_GPIO6_BASE + SZ_2K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = INT_7XX_GPIO_BANK6,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct __initdata omap_gpio_platform_data omap7xx_gpio6_config = {
|
|
.virtual_irq_start = IH_GPIO_BASE + 160,
|
|
.bank_type = METHOD_GPIO_7XX,
|
|
.bank_width = 32,
|
|
.regs = &omap7xx_gpio_regs,
|
|
};
|
|
|
|
static struct platform_device omap7xx_gpio6 = {
|
|
.name = "omap_gpio",
|
|
.id = 6,
|
|
.dev = {
|
|
.platform_data = &omap7xx_gpio6_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(omap7xx_gpio6_resources),
|
|
.resource = omap7xx_gpio6_resources,
|
|
};
|
|
|
|
static struct __initdata platform_device * omap7xx_gpio_dev[] = {
|
|
&omap7xx_mpu_gpio,
|
|
&omap7xx_gpio1,
|
|
&omap7xx_gpio2,
|
|
&omap7xx_gpio3,
|
|
&omap7xx_gpio4,
|
|
&omap7xx_gpio5,
|
|
&omap7xx_gpio6,
|
|
};
|
|
|
|
/*
|
|
* omap7xx_gpio_init needs to be done before
|
|
* machine_init functions access gpio APIs.
|
|
* Hence omap7xx_gpio_init is a postcore_initcall.
|
|
*/
|
|
static int __init omap7xx_gpio_init(void)
|
|
{
|
|
int i;
|
|
|
|
if (!cpu_is_omap7xx())
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(omap7xx_gpio_dev); i++)
|
|
platform_device_register(omap7xx_gpio_dev[i]);
|
|
|
|
gpio_bank_count = ARRAY_SIZE(omap7xx_gpio_dev);
|
|
|
|
return 0;
|
|
}
|
|
postcore_initcall(omap7xx_gpio_init);
|