linux-kernel - [PATCH v6 5/5] arm64: dts: qcom: Link the panel to the bridge's DDC bus

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Message-Id: <20210503145750.v6.5.Ibdb7735fb1844561b902252215a69526a14f9abd@changeid>
Date:   Mon,  3 May 2021 14:58:44 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Sam Ravnborg <sam@...nborg.org>, Wolfram Sang <wsa@...nel.org>
Cc:     Lyude Paul <lyude@...hat.com>, Steev Klimaszewski <steev@...i.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org,
        Stanislav Lisovskiy <stanislav.lisovskiy@...el.com>,
        Linus W <linus.walleij@...aro.org>, robdclark@...omium.org,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thierry Reding <treding@...dia.com>, linux-i2c@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Douglas Anderson <dianders@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v6 5/5] arm64: dts: qcom: Link the panel to the bridge's DDC bus

Adding this link allows the panel code to do things like read the
EDID.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---

(no changes since v1)

 arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index 24d293ef56d7..96e530594509 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -265,6 +265,7 @@ panel: panel {
 		power-supply = <&pp3300_dx_edp>;
 		backlight = <&backlight>;
 		hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>;
+		ddc-i2c-bus = <&sn65dsi86_bridge>;
 
 		ports {
 			port {
-- 
2.31.1.527.g47e6f16901-goog