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Message-Id: <20251222-docs-camss-fixes-v4-1-914a4e5f7822@ixit.cz>
Date: Mon, 22 Dec 2025 15:16:05 +0100
From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@...nel.org>
To: Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Vikram Sharma <quic_vikramsa@...cinc.com>, 
 Kapatrala Syed <akapatra@...cinc.com>, 
 Hariram Purushothaman <hariramp@...cinc.com>, 
 Richard Acayan <mailingradian@...il.com>, Bryan O'Donoghue <bod@...nel.org>, 
 Hans Verkuil <hverkuil@...nel.org>, Depeng Shao <quic_depengs@...cinc.com>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 phone-devel@...r.kernel.org, David Heidelberg <david@...t.cz>
Subject: [PATCH v4] media: dt-bindings: Correct camss supply description

From: David Heidelberg <david@...t.cz>

Usually, the supply is around 1.2 V, not 1.8 V, and also correct wording.

Signed-off-by: David Heidelberg <david@...t.cz>
---
Eventually, if more changes would be requested, would make sense someone
from Qualcomm to follow-up on these, as I don't have schematics,
documentation or also no access to the internal resources.

Thank you
---
Changes in v4:
- Everything in one commit. (Krzysztof)
- Dropped Fixes tag. (Bryan)
- Updated rest of the files to make them in sync.
- Link to v3: https://lore.kernel.org/r/20251216-docs-camss-fixes-v3-0-c238b6810771@ixit.cz

Changes in v3:
- Add commit improving vdda-phy-supply description to match more recent
  bindings.
- Double-checked and specified it's 1.2 V vdda-pll-supply. (Vladimir)
- Link to v2: https://lore.kernel.org/r/20251213-docs-camss-fixes-v2-1-a8a4d4d51c6c@ixit.cz

Changes in v2:
- Applied suggestion to clarify the description. (Krzysztof)
- Link to v1: https://lore.kernel.org/r/20251212-docs-camss-fixes-v1-1-5c011505ff59@ixit.cz
---
 Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml  | 4 ++--
 Documentation/devicetree/bindings/media/qcom,sc7280-camss.yaml   | 4 ++--
 Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml | 4 ++--
 Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml   | 4 ++--
 Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml   | 4 ++--
 Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml   | 4 ++--
 Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml   | 4 ++--
 Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml | 4 ++--
 8 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
index 019caa2b09c32..48f280e998096 100644
--- a/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sa8775p-camss.yaml
@@ -126,11 +126,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.8V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/media/qcom,sc7280-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sc7280-camss.yaml
index ee35e3bc97ffd..b1c54c5b01b28 100644
--- a/Documentation/devicetree/bindings/media/qcom,sc7280-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sc7280-camss.yaml
@@ -125,11 +125,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.8V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml
index c99fe4106eee9..354130aba9fc9 100644
--- a/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sc8280xp-camss.yaml
@@ -264,11 +264,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.8V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
 required:
   - clock-names
diff --git a/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml
index 35c40fe223767..46cc7fff15992 100644
--- a/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml
@@ -91,11 +91,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.8V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml
index 82bf4689d3300..be09cf3a3b3b8 100644
--- a/Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sdm845-camss.yaml
@@ -207,11 +207,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.8V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
 required:
   - clock-names
diff --git a/Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml
index ebf68ff4ab961..a509d4bbcb4aa 100644
--- a/Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sm8250-camss.yaml
@@ -296,11 +296,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.8V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
 required:
   - clock-names
diff --git a/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml
index cd34f14916b42..4b9ab1352e914 100644
--- a/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sm8550-camss.yaml
@@ -134,11 +134,11 @@ properties:
 
   vdda-phy-supply:
     description:
-      Phandle to a regulator supply to PHY core block.
+      0.88V supply to CSIPHY IP blocks.
 
   vdda-pll-supply:
     description:
-      Phandle to 1.2V regulator supply to PHY refclk pll block.
+      1.2V supply to CSIPHY IP blocks.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
diff --git a/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml b/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml
index b87a13479a4bf..2d1662ef522b7 100644
--- a/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml
@@ -120,11 +120,11 @@ properties:
 
   vdd-csiphy-0p8-supply:
     description:
-      Phandle to a 0.8V regulator supply to a PHY.
+      0.8V supply to a PHY.
 
   vdd-csiphy-1p2-supply:
     description:
-      Phandle to 1.2V regulator supply to a PHY.
+      1.2V supply to a PHY.
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports

---
base-commit: cc3aa43b44bdb43dfbac0fcb51c56594a11338a8
change-id: 20251212-docs-camss-fixes-0fa525271951

Best regards,
-- 
David Heidelberg <david@...t.cz>



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