devices.c
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/*
* CLPS711X common devices definitions
*
* Author: Alexander Shiyan <shc_work@mail.ru>, 2013
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/platform_device.h>
#include <linux/sizes.h>
#include <mach/hardware.h>
static const phys_addr_t clps711x_gpios[][2] __initconst = {
{ PADR, PADDR },
{ PBDR, PBDDR },
{ PCDR, PCDDR },
{ PDDR, PDDDR },
{ PEDR, PEDDR },
};
static void __init clps711x_add_gpio(void)
{
unsigned i;
struct resource gpio_res[2];
memset(gpio_res, 0, sizeof(gpio_res));
gpio_res[0].flags = IORESOURCE_MEM;
gpio_res[1].flags = IORESOURCE_MEM;
for (i = 0; i < ARRAY_SIZE(clps711x_gpios); i++) {
gpio_res[0].start = CLPS711X_PHYS_BASE + clps711x_gpios[i][0];
gpio_res[0].end = gpio_res[0].start;
gpio_res[1].start = CLPS711X_PHYS_BASE + clps711x_gpios[i][1];
gpio_res[1].end = gpio_res[1].start;
platform_device_register_simple("clps711x-gpio", i,
gpio_res, ARRAY_SIZE(gpio_res));
}
}
const struct resource clps711x_syscon_res[] __initconst = {
/* SYSCON1, SYSFLG1 */
DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON1, SZ_128),
/* SYSCON2, SYSFLG2 */
DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON2, SZ_128),
/* SYSCON3 */
DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON3, SZ_64),
};
static void __init clps711x_add_syscon(void)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE(clps711x_syscon_res); i++)
platform_device_register_simple("syscon", i + 1,
&clps711x_syscon_res[i], 1);
}
static const struct resource clps711x_uart1_res[] __initconst = {
DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR1, SZ_128),
DEFINE_RES_IRQ(IRQ_UTXINT1),
DEFINE_RES_IRQ(IRQ_URXINT1),
};
static const struct resource clps711x_uart2_res[] __initconst = {
DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR2, SZ_128),
DEFINE_RES_IRQ(IRQ_UTXINT2),
DEFINE_RES_IRQ(IRQ_URXINT2),
};
static void __init clps711x_add_uart(void)
{
platform_device_register_simple("clps711x-uart", 0, clps711x_uart1_res,
ARRAY_SIZE(clps711x_uart1_res));
platform_device_register_simple("clps711x-uart", 1, clps711x_uart2_res,
ARRAY_SIZE(clps711x_uart2_res));
};
void __init clps711x_devices_init(void)
{
clps711x_add_gpio();
clps711x_add_syscon();
clps711x_add_uart();
}