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kernel/linux-imx6_3.14.28/arch/arm/mach-clps711x/devices.c 2.36 KB
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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();
  }