linux-kernel - [PATCH v2 1/2] arm64: dts: qcom: Add link-frequencies property to specify the max link rate allowed

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Message-ID: <1668018895-29023-2-git-send-email-quic_khsieh@quicinc.com>
Date:   Wed, 9 Nov 2022 10:34:54 -0800
From:   Kuogee Hsieh <quic_khsieh@...cinc.com>
To:     <dri-devel@...ts.freedesktop.org>, <robdclark@...il.com>,
        <sean@...rly.run>, <swboyd@...omium.org>, <dianders@...omium.org>,
        <vkoul@...nel.org>, <daniel@...ll.ch>, <airlied@...ux.ie>,
        <agross@...nel.org>, <dmitry.baryshkov@...aro.org>,
        <bjorn.andersson@...aro.org>
CC:     Kuogee Hsieh <quic_khsieh@...cinc.com>,
        <quic_abhinavk@...cinc.com>, <quic_sbillaka@...cinc.com>,
        <freedreno@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/2] arm64: dts: qcom: Add link-frequencies property to specify the max link rate allowed

This patch add link-frequencies property to allow each platform to specify its
DP max link rate.

Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
index 93e39fc..7e5d755 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
@@ -441,6 +441,7 @@ ap_i2c_tpm: &i2c14 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&dp_hot_plug_det>;
 	data-lanes = <0 1>;
+        link-frequencies = <810000>;
 };
 
 &mdss_mdp {
-- 
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