[PATCH v3] media: dt-bindings: Remove assigned-clock-* from various schema

Bryan O'Donoghue bryan.odonoghue at linaro.org
Tue Oct 29 06:44:45 PDT 2024 

Remove extraneous assigned-clock* from media/i2c/* schemas.

assigned-clock and assigned-clock-parent assume that there is a clock that
can be assigned and/or a clock parent that similarly can be assigned by
firmware which may not always be the case.

The sensor properties themselves should not mandate assigned-clock* as a
result.

Link: https://lore.kernel.org/linux-media/j7kgz2lyxnler5qwd7yiazdq6fmsv77kyozdrxf33h54ydakjz@uqjhwhoyv6re
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue at linaro.org>
---
Changes in v3:
- Updates commit log with more description of why we are removing
  assigned-clock from the properties - Laurent
- Drops assigned-clocks from the examples too.
  assigned-clock in examples has the example quality as status="okay" - Laurent
- Link to v2: https://lore.kernel.org/r/20241025-b4-linux-next-202041004-i2c-media-yaml-fixes-v2-1-1b4535174a5a@linaro.org

v2:

- Changes series name was: media: i2c: Cleanup assigned-clocks and endpoint: properties: unevaluatedProperties: false
  Dropping the second patch in the series means the title changes too - bod
- Drops unevaluatedProperties -> additionalProperties change
  There is no clear consensus on this right now.
- Adds Reviewed-by and Acked-by as indicated to patch #1 Laurent, Krzysztof 
- Link to v1: https://lore.kernel.org/r/20241012-b4-linux-next-202041004-i2c-media-yaml-fixes-v1-0-a2bb12a1796d@linaro.org

v1:

On a recent schema submission I did what most well adjusted schema writers
do and tried to find a base file to work from to copy/paste and forget.

Confusingly/predictably I received feedback to remove or alter several of
the properties included in my devious copy/paste plan.

The first bit of feedback was that assigned-clock-* was to be dropped.
Removing assigned-clock-* as assigned-clock-* is a core property which
doesn't need to be listed in a schema.

The second bit of feedback landed on use of additionalProperties:false
along with enumeration of all required endpoint properties instead of an
implied list of valid properties from unevaluatedProperties:false.

Link: https://lore.kernel.org/linux-media/20241010-b4-master-24-11-25-ov08x40-v6-0-cf966e34e685@linaro.org

This series removes the assigned-clock-* from upstream sensor property
schemas and applies additionalProperities:false to properties: endpoint:.

A few missing properties: or required: are added to the schemas based on
output of DT checkers.

The one new DT complaint I didn't fix with the move to
additionalProperties: false is:

/home/deckard/Development/qualcomm/qlt-kernel-tools/qlt-kernel/build/x1e80100-crd_qlt_integration/arch/arm64/boot/dts/renesas/r8a774c0-ek874-mipi-2.1.dtb: imx219 at 10: port:endpoint: 'remote-endpoint' is a required property

Since this appears to be some sort of temporary/commented thing upstream
which I don't know the provenance of.
---
 Documentation/devicetree/bindings/media/i2c/hynix,hi846.yaml | 10 ----------
 Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml | 11 -----------
 Documentation/devicetree/bindings/media/i2c/ovti,ov8865.yaml | 10 ----------
 Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml |  8 --------
 Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml |  7 -------
 Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml |  8 --------
 Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml |  8 --------
 Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml |  8 --------
 8 files changed, 70 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/i2c/hynix,hi846.yaml b/Documentation/devicetree/bindings/media/i2c/hynix,hi846.yaml
index 60f19e1152b33128cf3baa15b8c70a874ca6d52e..1a57f2aa198228dff784aad25c2c0e39b6c32a9a 100644
--- a/Documentation/devicetree/bindings/media/i2c/hynix,hi846.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/hynix,hi846.yaml
@@ -28,12 +28,6 @@ properties:
     items:
       - description: Reference to the mclk clock.
 
-  assigned-clocks:
-    maxItems: 1
-
-  assigned-clock-rates:
-    maxItems: 1
-
   reset-gpios:
     description: Reference to the GPIO connected to the RESETB pin. Active low.
     maxItems: 1
@@ -82,8 +76,6 @@ required:
   - compatible
   - reg
   - clocks
-  - assigned-clocks
-  - assigned-clock-rates
   - vddio-supply
   - vdda-supply
   - vddd-supply
@@ -105,8 +97,6 @@ examples:
             pinctrl-names = "default";
             pinctrl-0 = <&pinctrl_csi1>;
             clocks = <&clk 0>;
-            assigned-clocks = <&clk 0>;
-            assigned-clock-rates = <25000000>;
             vdda-supply = <&reg_camera_vdda>;
             vddd-supply = <&reg_camera_vddd>;
             vddio-supply = <&reg_camera_vddio>;
diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml
index 1f497679168c8395a94b3867beb49b251ef621fc..8028c8b107c46cc69ebadac637904f9917fb0f0a 100644
--- a/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5648.yaml
@@ -20,12 +20,6 @@ properties:
     items:
       - description: XVCLK Clock
 
-  assigned-clocks:
-    maxItems: 1
-
-  assigned-clock-rates:
-    maxItems: 1
-
   dvdd-supply:
     description: Digital Domain Power Supply
 
@@ -68,8 +62,6 @@ required:
   - compatible
   - reg
   - clocks
-  - assigned-clocks
-  - assigned-clock-rates
   - dvdd-supply
   - dovdd-supply
   - port
@@ -93,9 +85,6 @@ examples:
             avdd-supply = <&ov5648_avdd>;
             dovdd-supply = <&ov5648_dovdd>;
             clocks = <&ov5648_xvclk 0>;
-            assigned-clocks = <&ov5648_xvclk 0>;
-            assigned-clock-rates = <24000000>;
-
 
             ov5648_out: port {
                 ov5648_out_mipi_csi2: endpoint {
diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov8865.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov8865.yaml
index 8a70e23ba6abed67d8b61c33bd7a261089bddda2..320b9aacbb8bf08e6d06c927ee198c468def4642 100644
--- a/Documentation/devicetree/bindings/media/i2c/ovti,ov8865.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov8865.yaml
@@ -20,12 +20,6 @@ properties:
     items:
       - description: EXTCLK Clock
 
-  assigned-clocks:
-    maxItems: 1
-
-  assigned-clock-rates:
-    maxItems: 1
-
   dvdd-supply:
     description: Digital Domain Power Supply
 
@@ -68,8 +62,6 @@ required:
   - compatible
   - reg
   - clocks
-  - assigned-clocks
-  - assigned-clock-rates
   - dvdd-supply
   - avdd-supply
   - dovdd-supply
@@ -94,8 +86,6 @@ examples:
             pinctrl-0 = <&csi_mclk_pin>;
 
             clocks = <&ccu CLK_CSI_MCLK>;
-            assigned-clocks = <&ccu CLK_CSI_MCLK>;
-            assigned-clock-rates = <24000000>;
 
             avdd-supply = <&reg_ov8865_avdd>;
             dovdd-supply = <&reg_ov8865_dovdd>;
diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml
index 79a7658f6d0547e4d6fb2267e5757eedf49fd416..401c8613f84038451b90d244021a1388f32c91da 100644
--- a/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml
@@ -27,10 +27,6 @@ properties:
     description: I2C address
     maxItems: 1
 
-  assigned-clocks: true
-  assigned-clock-parents: true
-  assigned-clock-rates: true
-
   clocks:
     description: Clock frequency from 6 to 27MHz
     maxItems: 1
@@ -87,10 +83,6 @@ examples:
             reg = <0x60>;
             clocks = <&ov9282_clk>;
 
-            assigned-clocks = <&ov9282_clk>;
-            assigned-clock-parents = <&ov9282_clk_parent>;
-            assigned-clock-rates = <24000000>;
-
             port {
                 ov9282: endpoint {
                     remote-endpoint = <&cam>;
diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
index c978abc0cdb35cfe2b85069946cf1be435a58cb8..975c1d77c8e5d24179e9cb8d92fe7b6798c4d2ec 100644
--- a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
@@ -24,10 +24,6 @@ properties:
       - sony,imx258
       - sony,imx258-pdaf
 
-  assigned-clocks: true
-  assigned-clock-parents: true
-  assigned-clock-rates: true
-
   clocks:
     description:
       Clock frequency from 6 to 27 MHz.
@@ -125,9 +121,6 @@ examples:
             reg = <0x6c>;
             clocks = <&imx258_clk>;
 
-            assigned-clocks = <&imx258_clk>;
-            assigned-clock-rates = <19200000>;
-
             port {
                 endpoint {
                     remote-endpoint = <&csi1_ep>;
diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
index bce57b22f7b63bd73f08d8831d9bb04858ef03e0..3842e5130463491e833cbadcdc3a07c55f766c27 100644
--- a/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
@@ -24,10 +24,6 @@ properties:
     description: I2C address
     maxItems: 1
 
-  assigned-clocks: true
-  assigned-clock-parents: true
-  assigned-clock-rates: true
-
   clocks:
     description: Clock frequency from 6 to 27 MHz, 37.125MHz, 74.25MHz
     maxItems: 1
@@ -74,10 +70,6 @@ examples:
             reg = <0x1a>;
             clocks = <&imx334_clk>;
 
-            assigned-clocks = <&imx334_clk>;
-            assigned-clock-parents = <&imx334_clk_parent>;
-            assigned-clock-rates = <24000000>;
-
             port {
                 imx334: endpoint {
                     remote-endpoint = <&cam>;
diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
index 77bf3a4ee89db3b5d16149470c0380ef8f1aeac1..80f879b6bd01bf6ce81eb9b6c1451448509ca74e 100644
--- a/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
@@ -24,10 +24,6 @@ properties:
     description: I2C address
     maxItems: 1
 
-  assigned-clocks: true
-  assigned-clock-parents: true
-  assigned-clock-rates: true
-
   clocks:
     description: Clock frequency from 6 to 27 MHz, 37.125MHz, 74.25MHz
     maxItems: 1
@@ -86,10 +82,6 @@ examples:
             reg = <0x1a>;
             clocks = <&imx335_clk>;
 
-            assigned-clocks = <&imx335_clk>;
-            assigned-clock-parents = <&imx335_clk_parent>;
-            assigned-clock-rates = <24000000>;
-
             avdd-supply = <&camera_vdda_2v9>;
             ovdd-supply = <&camera_vddo_1v8>;
             dvdd-supply = <&camera_vddd_1v2>;
diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml
index d9b7815650fdb890418fc96c828acc9147dfb6e8..5447ab0768a66afaf665f155d1f5bf90210eacc6 100644
--- a/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml
@@ -26,10 +26,6 @@ properties:
     description: I2C address
     maxItems: 1
 
-  assigned-clocks: true
-  assigned-clock-parents: true
-  assigned-clock-rates: true
-
   clocks:
     description: Clock frequency 6MHz, 12MHz, 18MHz, 24MHz or 27MHz
     maxItems: 1
@@ -86,10 +82,6 @@ examples:
             reg = <0x1a>;
             clocks = <&imx412_clk>;
 
-            assigned-clocks = <&imx412_clk>;
-            assigned-clock-parents = <&imx412_clk_parent>;
-            assigned-clock-rates = <24000000>;
-
             port {
                 imx412: endpoint {
                     remote-endpoint = <&cam>;

---
base-commit: 58ca61c1a866bfdaa5e19fb19a2416764f847d75
change-id: 20241005-b4-linux-next-202041004-i2c-media-yaml-fixes-fcf5c0c1e08d

Best regards,
-- 
Bryan O'Donoghue <bryan.odonoghue at linaro.org>

More information about the linux-arm-kernel mailing list