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Message-Id: <20250530-dp_mst_bindings-v2-3-f925464d32a8@oss.qualcomm.com>
Date: Fri, 30 May 2025 10:47:26 -0700
From: Jessica Zhang <jessica.zhang@....qualcomm.com>
To: Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Kuogee Hsieh <quic_khsieh@...cinc.com>,
Abel Vesa <abel.vesa@...aro.org>,
Bjorn Andersson <andersson@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Mahadevan <quic_mahap@...cinc.com>,
Krishna Manikandan <quic_mkrishn@...cinc.com>,
Konrad Dybcio <konradybcio@...nel.org>,
Danila Tikhonov <danila@...xyga.com>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
Yongxing Mou <quic_yongmou@...cinc.com>,
Jessica Zhang <jessica.zhang@....qualcomm.com>
Subject: [PATCH v2 3/5] dt-bindings: display/msm: drop
assigned-clock-parents for dp controller
From: Abhinav Kumar <quic_abhinavk@...cinc.com>
Current documentation of assigned-clock-parents for dp controller does not
describe its functionality correctly making it harder to extend it for
adding multiple streams.
Instead of fixing up the documentation, drop the assigned-clock-parents
along with the usages in the chipset specific MDSS yaml files.
Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
Signed-off-by: Jessica Zhang <jessica.zhang@....qualcomm.com>
---
Documentation/devicetree/bindings/display/msm/dp-controller.yaml | 7 -------
.../devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml | 1 -
.../devicetree/bindings/display/msm/qcom,sar2130p-mdss.yaml | 2 --
.../devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml | 1 -
.../devicetree/bindings/display/msm/qcom,sc7280-mdss.yaml | 2 --
.../devicetree/bindings/display/msm/qcom,sm7150-mdss.yaml | 2 --
6 files changed, 15 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
index 46a50ca4a986..a63efd8de42c 100644
--- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
@@ -74,11 +74,6 @@ properties:
- description: link clock source
- description: pixel clock source
- assigned-clock-parents:
- items:
- - description: phy 0 parent
- - description: phy 1 parent
-
phys:
maxItems: 1
@@ -208,8 +203,6 @@ examples:
assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
<&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
- assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
-
phys = <&dp_phy>;
phy-names = "dp";
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml
index 1053b3bc4908..951e446dc828 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml
@@ -393,7 +393,6 @@ examples:
assigned-clocks = <&dispcc_mdss_dptx0_link_clk_src>,
<&dispcc_mdss_dptx0_pixel0_clk_src>;
- assigned-clock-parents = <&mdss0_dp0_phy 0>, <&mdss0_dp0_phy 1>;
phys = <&mdss0_dp0_phy>;
phy-names = "dp";
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sar2130p-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sar2130p-mdss.yaml
index 870144b53cec..a1f5a6bd328e 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sar2130p-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sar2130p-mdss.yaml
@@ -216,8 +216,6 @@ examples:
assigned-clocks = <&dispcc_disp_cc_mdss_dptx0_link_clk_src>,
<&dispcc_disp_cc_mdss_dptx0_pixel0_clk_src>;
- assigned-clock-parents = <&usb_dp_qmpphy_QMP_USB43DP_DP_LINK_CLK>,
- <&usb_dp_qmpphy_QMP_USB43DP_DP_VCO_DIV_CLK>;
phys = <&usb_dp_qmpphy QMP_USB43DP_DP_PHY>;
phy-names = "dp";
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml
index 7a0555b15ddf..f737a8481acb 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml
@@ -269,7 +269,6 @@ examples:
"ctrl_link_iface", "stream_pixel";
assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
<&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
- assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
phys = <&dp_phy>;
phy-names = "dp";
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sc7280-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sc7280-mdss.yaml
index 2947f27e0585..7842ef274258 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sc7280-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sc7280-mdss.yaml
@@ -298,7 +298,6 @@ examples:
"stream_pixel";
assigned-clocks = <&dispcc DISP_CC_MDSS_EDP_LINK_CLK_SRC>,
<&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK_SRC>;
- assigned-clock-parents = <&mdss_edp_phy 0>, <&mdss_edp_phy 1>;
phys = <&mdss_edp_phy>;
phy-names = "dp";
@@ -389,7 +388,6 @@ examples:
"stream_pixel";
assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
<&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
- assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
phys = <&dp_phy>;
phy-names = "dp";
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm7150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm7150-mdss.yaml
index 13c5d5ffabde..3cea87def9f8 100644
--- a/Documentation/devicetree/bindings/display/msm/qcom,sm7150-mdss.yaml
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sm7150-mdss.yaml
@@ -401,8 +401,6 @@ examples:
assigned-clocks = <&dispcc_mdss_dp_link_clk_src>,
<&dispcc_mdss_dp_pixel_clk_src>;
- assigned-clock-parents = <&dp_phy 0>,
- <&dp_phy 1>;
operating-points-v2 = <&dp_opp_table>;
power-domains = <&rpmhpd RPMHPD_CX>;
--
2.49.0
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