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author | Marek Vasut <marex@denx.de> | 2023-05-14 14:46:25 +0300 |
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committer | Neil Armstrong <neil.armstrong@linaro.org> | 2023-05-22 16:37:18 +0300 |
commit | 74629c49e66cc6d36c46ac4e3f059780873ceedf (patch) | |
tree | eabe74294113b3405b262f8f3baa87958cdca60d /fs | |
parent | ec7743c9c48a14aa884d27f2feee1da30810ce0a (diff) | |
download | linux-74629c49e66cc6d36c46ac4e3f059780873ceedf.tar.xz |
drm: bridge: samsung-dsim: Implement support for clock/data polarity swap
Implement support for DSI clock and data lane DN/DP polarity swap by
means of decoding 'lane-polarities' DT property. The controller does
support DN/DP swap of clock lane and all data lanes, the controller
does not support polarity swap of individual data lane bundles, add
a check which verifies all data lanes have the same polarity.
This has been validated on an imx8mm board that actually has the MIPI DSI
clock lanes inverted.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230514114625.98372-2-festevam@gmail.com
Diffstat (limited to 'fs')
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