forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
272 lines
6.1 KiB
272 lines
6.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* OMAP7xx specific gpio init |
|
* |
|
* Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/ |
|
* |
|
* Author: |
|
* Charulatha V <[email protected]> |
|
*/ |
|
|
|
#include <linux/gpio.h> |
|
#include <linux/platform_data/gpio-omap.h> |
|
|
|
#include "irqs.h" |
|
#include "soc.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 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, |
|
.irqctrl = OMAP_MPUIO_GPIO_INT_EDGE >> 1, |
|
}; |
|
|
|
static struct omap_gpio_platform_data omap7xx_mpu_gpio_config = { |
|
.is_mpuio = true, |
|
.bank_width = 16, |
|
.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 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, |
|
.irqctrl = OMAP7XX_GPIO_INT_CONTROL, |
|
}; |
|
|
|
static struct omap_gpio_platform_data omap7xx_gpio1_config = { |
|
.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 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 omap_gpio_platform_data omap7xx_gpio2_config = { |
|
.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 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 omap_gpio_platform_data omap7xx_gpio3_config = { |
|
.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 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 omap_gpio_platform_data omap7xx_gpio4_config = { |
|
.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 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 omap_gpio_platform_data omap7xx_gpio5_config = { |
|
.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 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 omap_gpio_platform_data omap7xx_gpio6_config = { |
|
.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 platform_device *omap7xx_gpio_dev[] __initdata = { |
|
&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]); |
|
|
|
return 0; |
|
} |
|
postcore_initcall(omap7xx_gpio_init);
|
|
|