// SPDX-License-Identifier: GPL-2.0-only
/*
* OMAP15xx specific gpio init
*
* Copyright ( C ) 2010 Texas Instruments Incorporated - https : //www.ti.com/
*
* Author :
* Charulatha V < charu @ ti . com >
*/
#include <linux/platform_data/gpio-omap.h>
#include <linux/soc/ti/omap1-soc.h>
#include <asm /irq.h>
#include "irqs.h"
#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
#define OMAP1510_GPIO_BASE 0 xFFFCE000
/* 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);
Messung V0.5 in Prozent C=95 H=93 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-29)
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