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kernel/linux-imx6_3.14.28/arch/arm/mach-shmobile/board-ape6evm-reference.c 1.79 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * APE6EVM board support
   *
   * Copyright (C) 2013  Renesas Solutions Corp.
   * Copyright (C) 2013  Magnus Damm
   *
   * 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 of the License.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   */
  
  #include <linux/gpio.h>
  #include <linux/kernel.h>
  #include <linux/of_platform.h>
  #include <linux/pinctrl/machine.h>
  #include <linux/platform_device.h>
  #include <linux/sh_clk.h>
  #include <mach/common.h>
  #include <mach/r8a73a4.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  
  static void __init ape6evm_add_standard_devices(void)
  {
  
  	struct clk *parent;
  	struct clk *mp;
  
  	r8a73a4_clock_init();
  
  	/* MP clock parent = extal2 */
  	parent      = clk_get(NULL, "extal2");
  	mp          = clk_get(NULL, "mp");
  	BUG_ON(IS_ERR(parent) || IS_ERR(mp));
  
  	clk_set_parent(mp, parent);
  	clk_put(parent);
  	clk_put(mp);
  
  	r8a73a4_add_dt_devices();
  	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  	platform_device_register_simple("cpufreq-cpu0", -1, NULL, 0);
  }
  
  static const char *ape6evm_boards_compat_dt[] __initdata = {
  	"renesas,ape6evm-reference",
  	NULL,
  };
  
  DT_MACHINE_START(APE6EVM_DT, "ape6evm")
  	.init_early	= r8a73a4_init_early,
  	.init_machine	= ape6evm_add_standard_devices,
  	.dt_compat	= ape6evm_boards_compat_dt,
  MACHINE_END