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 <log.h>
  11 #include <syscon.h>
  12 #include <asm/arch-rockchip/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         { .compatible = "rockchip,rk3368-sgrf",
  22           .data = ROCKCHIP_SYSCON_SGRF },
  23         { }
  24 };
  25
  26 U_BOOT_DRIVER(syscon_rk3368) = {
  27         .name = "rk3368_syscon",
  28         .id = UCLASS_SYSCON,
  29         .of_match = rk3368_syscon_ids,
  30 };
  31
  32 #if CONFIG_IS_ENABLED(OF_PLATDATA)
  33 static int rk3368_syscon_bind_of_platdata(struct udevice *dev)
  34 {
  35         dev->driver_data = dev->driver->of_match->data;
  36         debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
  37
  38         return 0;
  39 }
  40
  41 U_BOOT_DRIVER(rockchip_rk3368_grf) = {
  42         .name = "rockchip_rk3368_grf",
  43         .id = UCLASS_SYSCON,
  44         .of_match = rk3368_syscon_ids,
  45         .bind = rk3368_syscon_bind_of_platdata,
  46 };
  47
  48 U_BOOT_DRIVER(rockchip_rk3368_pmugrf) = {
  49         .name = "rockchip_rk3368_pmugrf",
  50         .id = UCLASS_SYSCON,
  51         .of_match = rk3368_syscon_ids + 1,
  52         .bind = rk3368_syscon_bind_of_platdata,
  53 };
  54
  55 U_BOOT_DRIVER(rockchip_rk3368_msch) = {
  56         .name = "rockchip_rk3368_msch",
  57         .id = UCLASS_SYSCON,
  58         .of_match = rk3368_syscon_ids + 2,
  59         .bind = rk3368_syscon_bind_of_platdata,
  60 };
  61
  62 U_BOOT_DRIVER(rockchip_rk3368_sgrf) = {
  63         .name = "rockchip_rk3368_sgrf",
  64         .id = UCLASS_SYSCON,
  65         .of_match = rk3368_syscon_ids + 3,
  66         .bind = rk3368_syscon_bind_of_platdata,
  67 };
  68 #endif