linux-kernel - [PATCH v3 2/4] dt-bindings: display: mediatek: get mipitx calibration data from nvmem

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Message-ID: <20200311074032.119481-3-jitao.shi@mediatek.com>
Date:   Wed, 11 Mar 2020 15:40:30 +0800
From:   Jitao Shi <jitao.shi@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
CC:     <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <yingjoe.chen@...iatek.com>,
        <eddie.huang@...iatek.com>, <cawa.cheng@...iatek.com>,
        <bibby.hsieh@...iatek.com>, <ck.hu@...iatek.com>,
        <stonea168@....com>, <huijuan.xie@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>
Subject: [PATCH v3 2/4] dt-bindings: display: mediatek: get mipitx calibration data from nvmem

Add properties to get get mipitx calibration data.

Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
---
 .../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 d501f9ff4b1f..b179293c43de 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
@@ -34,6 +34,9 @@ Required properties:
 - #phy-cells: must be <0>.
 
 Optional properties:
+- 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"
 - drive-strength-microamp: adjust driving current, should be 1 ~ 0xF
 
 Example:
@@ -45,6 +48,8 @@ mipi_tx0: mipi-dphy@...15000 {
 	clock-output-names = "mipi_tx0_pll";
 	#clock-cells = <0>;
 	#phy-cells = <0>;
+	nvmem-cells= <&mipi_tx_calibration>;
+	nvmem-cell-names = "calibration-data";
 	drive-strength-microamp = <0x8>;
 };
 
-- 
2.21.0