arch/arm/mach-rockchip/rk3368/syscon_rk3368.c

   1 /*
   2  * (C) Copyright 2017 Rockchip Electronics Co., Ltd
   3  * Author: Andy Yan <andy.yan@rock-chips.com>
   4  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <dm.h>
  11 #include <syscon.h>
  12 #include <asm/arch/clock.h>
  13
  14 static const struct udevice_id rk3368_syscon_ids[] = {
  15         { .compatible = "rockchip,rk3368-grf",
  16           .data = ROCKCHIP_SYSCON_GRF },
  17         { .compatible = "rockchip,rk3368-pmugrf",
  18           .data = ROCKCHIP_SYSCON_PMUGRF },
  19         { .compatible = "rockchip,rk3368-msch",
  20           .data = ROCKCHIP_SYSCON_MSCH },
  21         { }
  22 };
  23
  24 U_BOOT_DRIVER(syscon_rk3368) = {
  25         .name = "rk3368_syscon",
  26         .id = UCLASS_SYSCON,
  27         .of_match = rk3368_syscon_ids,
  28 };
  29
  30 #if CONFIG_IS_ENABLED(OF_PLATDATA)
  31 static int rk3368_syscon_bind_of_platdata(struct udevice *dev)
  32 {
  33         dev->driver_data = dev->driver->of_match->data;
  34         debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
  35
  36         return 0;
  37 }
  38
  39 U_BOOT_DRIVER(rockchip_rk3368_grf) = {
  40         .name = "rockchip_rk3368_grf",
  41         .id = UCLASS_SYSCON,
  42         .of_match = rk3368_syscon_ids,
  43         .bind = rk3368_syscon_bind_of_platdata,
  44 };
  45
  46 U_BOOT_DRIVER(rockchip_rk3368_pmugrf) = {
  47         .name = "rockchip_rk3368_pmugrf",
  48         .id = UCLASS_SYSCON,
  49         .of_match = rk3368_syscon_ids + 1,
  50         .bind = rk3368_syscon_bind_of_platdata,
  51 };
  52
  53 U_BOOT_DRIVER(rockchip_rk3368_msch) = {
  54         .name = "rockchip_rk3368_msch",
  55         .id = UCLASS_SYSCON,
  56         .of_match = rk3368_syscon_ids + 2,
  57         .bind = rk3368_syscon_bind_of_platdata,
  58 };
  59 #endif