board-ape6evm-reference.c 1.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263
  1. /*
  2. * APE6EVM board support
  3. *
  4. * Copyright (C) 2013 Renesas Solutions Corp.
  5. * Copyright (C) 2013 Magnus Damm
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; version 2 of the License.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. #include <linux/gpio.h>
  21. #include <linux/kernel.h>
  22. #include <linux/of_platform.h>
  23. #include <linux/pinctrl/machine.h>
  24. #include <linux/platform_device.h>
  25. #include <linux/sh_clk.h>
  26. #include <mach/common.h>
  27. #include <mach/r8a73a4.h>
  28. #include <asm/mach-types.h>
  29. #include <asm/mach/arch.h>
  30. static void __init ape6evm_add_standard_devices(void)
  31. {
  32. struct clk *parent;
  33. struct clk *mp;
  34. r8a73a4_clock_init();
  35. /* MP clock parent = extal2 */
  36. parent = clk_get(NULL, "extal2");
  37. mp = clk_get(NULL, "mp");
  38. BUG_ON(IS_ERR(parent) || IS_ERR(mp));
  39. clk_set_parent(mp, parent);
  40. clk_put(parent);
  41. clk_put(mp);
  42. r8a73a4_add_dt_devices();
  43. of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  44. platform_device_register_simple("cpufreq-cpu0", -1, NULL, 0);
  45. }
  46. static const char *ape6evm_boards_compat_dt[] __initdata = {
  47. "renesas,ape6evm-reference",
  48. NULL,
  49. };
  50. DT_MACHINE_START(APE6EVM_DT, "ape6evm")
  51. .init_early = r8a73a4_init_delay,
  52. .init_machine = ape6evm_add_standard_devices,
  53. .dt_compat = ape6evm_boards_compat_dt,
  54. MACHINE_END