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author | Marek BehĂșn <marek.behun@nic.cz> | 2018-04-24 17:21:25 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2018-05-14 10:00:15 +0200 |
commit | 82a248df9af7057152a1359e7405585419accc1e (patch) | |
tree | 04e92d50592430990554e67d5fe61c80336a4d8e /configs | |
parent | 7288182aa6c11e4b0b2783cd4c7762f93f12cb64 (diff) |
driver: clk: Add support for clocks on Armada 37xx
The drivers are based on Linux driver by Gregory Clement.
The TBG clocks support only the .get_rate method.
- since setting rate is not supported, the driver computes the rates
when probing and so subsequent calls to the .get_rate method do not
read the corresponding registers again
The peripheral clocks support methods .get_rate, .enable and .disable.
- the .set_parent method theoretically could be supported on some clocks
(the parent would have to be one of the TBG clocks)
- the .set_rate method would have to try all the divider values to find
the best approximation of a given rate, and it doesn't seem like
this should be needed in U-Boot, therefore not implemented
Signed-off-by: Marek Behun <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'configs')
0 files changed, 0 insertions, 0 deletions