clk_rk3288.c 628 B

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2015 Google, Inc
  4. * Written by Simon Glass <sjg@chromium.org>
  5. */
  6. #include <common.h>
  7. #include <dm.h>
  8. #include <syscon.h>
  9. #include <asm/arch-rockchip/clock.h>
  10. #include <asm/arch-rockchip/cru.h>
  11. #include <linux/err.h>
  12. int rockchip_get_clk(struct udevice **devp)
  13. {
  14. return uclass_get_device_by_driver(UCLASS_CLK,
  15. DM_DRIVER_GET(rockchip_rk3288_cru), devp);
  16. }
  17. void *rockchip_get_cru(void)
  18. {
  19. struct rk3288_clk_priv *priv;
  20. struct udevice *dev;
  21. int ret;
  22. ret = rockchip_get_clk(&dev);
  23. if (ret)
  24. return ERR_PTR(ret);
  25. priv = dev_get_priv(dev);
  26. return priv->cru;
  27. }