linux-kernel - [PATCH v5 1/5] media: dt-bindings: qcom,sm8250-venus: sort out power domains

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Message-Id: <20260209-iris-venus-fix-sm8250-v5-1-0a22365d3585@oss.qualcomm.com>
Date: Mon, 09 Feb 2026 03:32:16 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Taniya Das <quic_tdas@...cinc.com>,
        Jonathan Marek <jonathan@...ek.ca>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Bryan O'Donoghue <bod@...nel.org>,
        Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Hans Verkuil <hverkuil@...nel.org>,
        Stefan Schmidt <stefan.schmidt@...aro.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-media@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v5 1/5] media: dt-bindings: qcom,sm8250-venus: sort out
 power domains

First of all, on SM8250 Iris (ex-Venus) core needs to scale clocks which
are powered by the MMCX domain. Add MMCX domain to the list of the power
domain to be used on this platform.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
Acked-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 .../devicetree/bindings/media/qcom,sm8250-venus.yaml          | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/qcom,sm8250-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sm8250-venus.yaml
index da54493220c9..43a10d9f664e 100644
--- a/Documentation/devicetree/bindings/media/qcom,sm8250-venus.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sm8250-venus.yaml
@@ -22,7 +22,7 @@ properties:
 
   power-domains:
     minItems: 2
-    maxItems: 3
+    maxItems: 4
 
   power-domain-names:
     minItems: 2
@@ -30,6 +30,7 @@ properties:
       - const: venus
       - const: vcodec0
       - const: mx
+      - const: mmcx
 
   clocks:
     maxItems: 3
@@ -114,8 +115,12 @@ examples:
         interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
         power-domains = <&videocc MVS0C_GDSC>,
                         <&videocc MVS0_GDSC>,
-                        <&rpmhpd RPMHPD_MX>;
-        power-domain-names = "venus", "vcodec0", "mx";
+                        <&rpmhpd RPMHPD_MX>,
+                        <&rpmhpd RPMHPD_MMCX>;
+        power-domain-names = "venus",
+                             "vcodec0",
+                             "mx",
+                             "mmcx";
 
         clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
                  <&videocc VIDEO_CC_MVS0C_CLK>,

-- 
2.47.3