git.sur5r.net Git - u-boot/blob - arch/arm/mach-rockchip/rk3368/clk_rk3368.c

   1 /*
   2  * Copyright (C) 2017 Rockchip Electronics Co., Ltd
   3  * Author: Andy Yan <andy.yan@rock-chips.org>
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <syscon.h>
  10 #include <asm/arch/clock.h>
  11 #include <asm/arch/cru_rk3368.h>
  12
  13 int rockchip_get_clk(struct udevice **devp)
  14 {
  15         return uclass_get_device_by_driver(UCLASS_CLK,
  16                         DM_GET_DRIVER(rockchip_rk3368_cru), devp);
  17 }
  18
  19 void *rockchip_get_cru(void)
  20 {
  21         struct rk3368_clk_priv *priv;
  22         struct udevice *dev;
  23         int ret;
  24
  25         ret = rockchip_get_clk(&dev);
  26         if (ret)
  27                 return ERR_PTR(ret);
  28
  29         priv = dev_get_priv(dev);
  30
  31         return priv->cru;
  32 }