[PATCH v6 2/4] dt-bindings: display: mediatek: get mipitx calibration data from nvmem

From: Jitao Shi
Date: Sat Apr 11 2020 - 03:44:41 EST


Add properties to get get mipitx calibration data.

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 5 +++++
1 file changed, 5 insertions(+)

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 {
--
2.21.0