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

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2017 Rockchip Electronics Co., Ltd
   4  * Author: Andy Yan <andy.yan@rock-chips.com>
   5  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <syscon.h>
  11 #include <asm/arch/clock.h>
  12
  13 static const struct udevice_id rk3368_syscon_ids[] = {
  14         { .compatible = "rockchip,rk3368-grf",
  15           .data = ROCKCHIP_SYSCON_GRF },
  16         { .compatible = "rockchip,rk3368-pmugrf",
  17           .data = ROCKCHIP_SYSCON_PMUGRF },
  18         { .compatible = "rockchip,rk3368-msch",
  19           .data = ROCKCHIP_SYSCON_MSCH },
  20         { .compatible = "rockchip,rk3368-sgrf",
  21           .data = ROCKCHIP_SYSCON_SGRF },
  22         { }
  23 };
  24
  25 U_BOOT_DRIVER(syscon_rk3368) = {
  26         .name = "rk3368_syscon",
  27         .id = UCLASS_SYSCON,
  28         .of_match = rk3368_syscon_ids,
  29 };
  30
  31 #if CONFIG_IS_ENABLED(OF_PLATDATA)
  32 static int rk3368_syscon_bind_of_platdata(struct udevice *dev)
  33 {
  34         dev->driver_data = dev->driver->of_match->data;
  35         debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
  36
  37         return 0;
  38 }
  39
  40 U_BOOT_DRIVER(rockchip_rk3368_grf) = {
  41         .name = "rockchip_rk3368_grf",
  42         .id = UCLASS_SYSCON,
  43         .of_match = rk3368_syscon_ids,
  44         .bind = rk3368_syscon_bind_of_platdata,
  45 };
  46
  47 U_BOOT_DRIVER(rockchip_rk3368_pmugrf) = {
  48         .name = "rockchip_rk3368_pmugrf",
  49         .id = UCLASS_SYSCON,
  50         .of_match = rk3368_syscon_ids + 1,
  51         .bind = rk3368_syscon_bind_of_platdata,
  52 };
  53
  54 U_BOOT_DRIVER(rockchip_rk3368_msch) = {
  55         .name = "rockchip_rk3368_msch",
  56         .id = UCLASS_SYSCON,
  57         .of_match = rk3368_syscon_ids + 2,
  58         .bind = rk3368_syscon_bind_of_platdata,
  59 };
  60
  61 U_BOOT_DRIVER(rockchip_rk3368_sgrf) = {
  62         .name = "rockchip_rk3368_sgrf",
  63         .id = UCLASS_SYSCON,
  64         .of_match = rk3368_syscon_ids + 3,
  65         .bind = rk3368_syscon_bind_of_platdata,
  66 };
  67 #endif