arch/arm/mach-rockchip/rk3368/clk_rk3368.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Rockchip Electronics Co., Ltd
   4  * Author: Andy Yan <andy.yan@rock-chips.org>
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <syscon.h>
  10 #include <asm/arch-rockchip/clock.h>
  11 #include <asm/arch-rockchip/cru_rk3368.h>
  12 #include <linux/err.h>
  13
  14 int rockchip_get_clk(struct udevice **devp)
  15 {
  16         return uclass_get_device_by_driver(UCLASS_CLK,
  17                         DM_DRIVER_GET(rockchip_rk3368_cru), devp);
  18 }
  19
  20 void *rockchip_get_cru(void)
  21 {
  22         struct rk3368_clk_priv *priv;
  23         struct udevice *dev;
  24         int ret;
  25
  26         ret = rockchip_get_clk(&dev);
  27         if (ret)
  28                 return ERR_PTR(ret);
  29
  30         priv = dev_get_priv(dev);
  31
  32         return priv->cru;
  33 }