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authorJitao Shi <jitao.shi@mediatek.com>2020-04-11 15:44:06 +0800
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2020-04-22 07:10:13 +0800
commit6d3a4aeff2fb4f41ab32cc0d445eebdaa01059df (patch)
treeeb932d9f12a8d12ea736aeff91f7fb3eb83f33b3 /Documentation/devicetree/bindings/display
parentdt-bindings: display: mediatek: add property to control mipi tx drive current (diff)
downloadwireguard-linux-6d3a4aeff2fb4f41ab32cc0d445eebdaa01059df.tar.xz
wireguard-linux-6d3a4aeff2fb4f41ab32cc0d445eebdaa01059df.zip
dt-bindings: display: mediatek: get mipitx calibration data from nvmem
Add properties to get get mipitx calibration data. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/display')
-rw-r--r--Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
index d78b6d6d8fab..8e4729de8c85 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
@@ -36,6 +36,9 @@ Required properties:
Optional properties:
- drive-strength-microamp: adjust driving current, should be 3000 ~ 6000. And
the step is 200.
+- nvmem-cells: A phandle to the calibration data provided by a nvmem device. If
+ unspecified default values shall be used.
+- nvmem-cell-names: Should be "calibration-data"
Example:
@@ -47,6 +50,8 @@ mipi_tx0: mipi-dphy@10215000 {
#clock-cells = <0>;
#phy-cells = <0>;
drive-strength-microamp = <4600>;
+ nvmem-cells= <&mipi_tx_calibration>;
+ nvmem-cell-names = "calibration-data";
};
dsi0: dsi@1401b000 {