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| /rk3399_rockchip-uboot/drivers/clk/rockchip/ |
| H A D | clk_rk3399.c | cce8d7cd220b222744174be28b99868181a2bb8d Tue Sep 12 15:30:56 UTC 2017 Philipp Tomsich <philipp.tomsich@theobroma-systems.com> UPSTREAM: rockchip: clk: rk3399: add clk_enable function and support USB HOST0/1
The generic ehci-driver (ehci-generic.c) will try to enable the clocks
listed in the DTSI. If this fails (e.g. due to clk_enable not being
implemented in a driver and -ENOSYS being returned by the clk-uclass),
the driver will bail our and print an error message.
This implements a minimal clk_enable for the RK3399 and supports the
clocks mandatory for the EHCI controllers; as these are enabled by
default we simply return success.
Change-Id: Ic38cdb4e599c1fd8534b5e998b970b4610ab7383
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 2f01a2b2149c4c38467eeeddde09ac48d379aed3)
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