[PATCH 1/2] dt-bindings: phy: mxs-usb-phy: convert to DT schema format

[PATCH 1/2] dt-bindings: phy: mxs-usb-phy: convert to DT schema format

[Xu Yang]

Convert the binding to DT schema format.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
---
 .../devicetree/bindings/phy/mxs-usb-phy.txt   | 33 -------
 .../devicetree/bindings/phy/mxs-usb-phy.yaml  | 97 +++++++++++++++++++
 2 files changed, 97 insertions(+), 33 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/phy/mxs-usb-phy.txt
 create mode 100644 Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt b/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt
deleted file mode 100644
index 70c813b0755f..000000000000
--- a/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-* Freescale MXS USB Phy Device
-
-Required properties:
-- compatible: should contain:
-	* "fsl,imx23-usbphy" for imx23 and imx28
-	* "fsl,imx6q-usbphy" for imx6dq and imx6dl
-	* "fsl,imx6sl-usbphy" for imx6sl
-	* "fsl,vf610-usbphy" for Vybrid vf610
-	* "fsl,imx6sx-usbphy" for imx6sx
-	* "fsl,imx7ulp-usbphy" for imx7ulp
-	* "fsl,imx8dxl-usbphy" for imx8dxl
-  "fsl,imx23-usbphy" is still a fallback for other strings
-- reg: Should contain registers location and length
-- interrupts: Should contain phy interrupt
-- fsl,anatop: phandle for anatop register, it is only for imx6 SoC series
-
-Optional properties:
-- fsl,tx-cal-45-dn-ohms: Integer [35-54]. Resistance (in ohms) of switchable
-  high-speed trimming resistor connected in parallel with the 45 ohm resistor
-  that terminates the DN output signal. Default: 45
-- fsl,tx-cal-45-dp-ohms: Integer [35-54]. Resistance (in ohms) of switchable
-  high-speed trimming resistor connected in parallel with the 45 ohm resistor
-  that terminates the DP output signal. Default: 45
-- fsl,tx-d-cal: Integer [79-119]. Current trimming value (as a percentage) of
-  the 17.78mA TX reference current. Default: 100
-
-Example:
-usbphy1: usb-phy@20c9000 {
-	compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
-	reg = <0x020c9000 0x1000>;
-	interrupts = <0 44 0x04>;
-	fsl,anatop = <&anatop>;
-};
diff --git a/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
new file mode 100644
index 000000000000..48b0e654e52c
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mxs-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale MXS USB Phy Device
+
+maintainers:
+  - Xu Yang <xu.yang_2@nxp.com>
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - fsl,imx23-usbphy
+          - fsl,vf610-usbphy
+      - items:
+          - enum:
+              - fsl,imx28-usbphy
+              - fsl,imx6ul-usbphy
+              - fsl,imx6sl-usbphy
+              - fsl,imx6sx-usbphy
+              - fsl,imx6q-usbphy
+          - const: fsl,imx23-usbphy
+      - items:
+          - enum:
+              - fsl,imx7ulp-usbphy
+              - fsl,imx6sll-usbphy
+          - const: fsl,imx6ul-usbphy
+          - const: fsl,imx23-usbphy
+      - items:
+          - const: fsl,imx8dxl-usbphy
+          - const: fsl,imx7ulp-usbphy
+          - const: fsl,imx6ul-usbphy
+          - const: fsl,imx23-usbphy
+
+  reg:
+    minItems: 1
+    maxItems: 2
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  fsl,anatop:
+    description:
+      phandle for anatop register, it is only for imx6 SoC series
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
+
+  fsl,tx-cal-45-dn-ohms:
+    description:
+      Resistance (in ohms) of switchable high-speed trimming resistor
+      connected in parallel with the 45 ohm resistor that terminates
+      the DN output signal.
+    minimum: 35
+    maximum: 54
+    default: 45
+
+  fsl,tx-cal-45-dp-ohms:
+    description:
+      Resistance (in ohms) of switchable high-speed trimming resistor
+      connected in parallel with the 45 ohm resistor that terminates
+      the DP output signal.
+    minimum: 35
+    maximum: 54
+    default: 45
+
+  fsl,tx-d-cal:
+    description:
+      Current trimming value (as a percentage) of the 17.78 mA TX
+      reference current.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 79
+    maximum: 119
+    default: 100
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    usbphy1: usb-phy@20c9000 {
+        compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
+        reg = <0x020c9000 0x1000>;
+        interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;
+        fsl,anatop = <&anatop>;
+    };
+
+...
-- 
2.34.1

[PATCH 2/2] dt-bindings: phy: mxs-usb-phy: add imx8ulp and imx8qm compatible

[Xu Yang]

The imx8ulp and imx8qm are compatible with imx8dxl. This will add such
compatible.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
---
 Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
index 48b0e654e52c..642491d7fcbc 100644
--- a/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
@@ -30,7 +30,10 @@ properties:
           - const: fsl,imx6ul-usbphy
           - const: fsl,imx23-usbphy
       - items:
-          - const: fsl,imx8dxl-usbphy
+          - enum:
+              - fsl,imx8ulp-usbphy
+              - fsl,imx8dxl-usbphy
+              - fsl,imx8qm-usbphy
           - const: fsl,imx7ulp-usbphy
           - const: fsl,imx6ul-usbphy
           - const: fsl,imx23-usbphy
-- 
2.34.1

Re: [PATCH 1/2] dt-bindings: phy: mxs-usb-phy: convert to DT schema format

[Krzysztof Kozlowski]

On 01/06/2023 10:07, Xu Yang wrote:
> Convert the binding to DT schema format.
> 


Thank you for your patch. There is something to discuss/improve.


e/bindings/phy/mxs-usb-phy.yaml
b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
> new file mode 100644
> index 000000000000..48b0e654e52c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml

Filename matching compatibles, so for exmaple fsl,mxs-usbphy.yaml.

> @@ -0,0 +1,97 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/mxs-usb-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale MXS USB Phy Device
> +
> +maintainers:
> +  - Xu Yang <xu.yang_2@nxp.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:
> +          - fsl,imx23-usbphy
> +          - fsl,vf610-usbphy
> +      - items:
> +          - enum:
> +              - fsl,imx28-usbphy
> +              - fsl,imx6ul-usbphy
> +              - fsl,imx6sl-usbphy
> +              - fsl,imx6sx-usbphy
> +              - fsl,imx6q-usbphy
> +          - const: fsl,imx23-usbphy
> +      - items:
> +          - enum:
> +              - fsl,imx7ulp-usbphy
> +              - fsl,imx6sll-usbphy
> +          - const: fsl,imx6ul-usbphy
> +          - const: fsl,imx23-usbphy
> +      - items:
> +          - const: fsl,imx8dxl-usbphy
> +          - const: fsl,imx7ulp-usbphy
> +          - const: fsl,imx6ul-usbphy
> +          - const: fsl,imx23-usbphy

I cannot find these in the old bindings. Please explain changes to
conversion in commit msg. So far you wrote that it is pure conversion.

> +
> +  reg:
> +    minItems: 1
> +    maxItems: 2
> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 2
> +
> +  fsl,anatop:
> +    description:
> +      phandle for anatop register, it is only for imx6 SoC series
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    maxItems: 1
> +
> +  fsl,tx-cal-45-dn-ohms:
> +    description:
> +      Resistance (in ohms) of switchable high-speed trimming resistor
> +      connected in parallel with the 45 ohm resistor that terminates
> +      the DN output signal.
> +    minimum: 35
> +    maximum: 54
> +    default: 45
> +
> +  fsl,tx-cal-45-dp-ohms:
> +    description:
> +      Resistance (in ohms) of switchable high-speed trimming resistor
> +      connected in parallel with the 45 ohm resistor that terminates
> +      the DP output signal.
> +    minimum: 35
> +    maximum: 54
> +    default: 45
> +
> +  fsl,tx-d-cal:
> +    description:
> +      Current trimming value (as a percentage) of the 17.78 mA TX
> +      reference current.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 79
> +    maximum: 119
> +    default: 100
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +

missing allOf narrowing anatop to imx6. Also interrupts and reg should
be narrowed to respective variants.

> +unevaluatedProperties: false

Instead additionalProperties: false.

> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    usbphy1: usb-phy@20c9000 {
> +        compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
> +        reg = <0x020c9000 0x1000>;
> +        interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;

Is 0 known flag? Use defines for it.

> +        fsl,anatop = <&anatop>;
> +    };
> +
> +...

Best regards,
Krzysztof

Re: [PATCH 1/2] dt-bindings: phy: mxs-usb-phy: convert to DT schema format

[Krzysztof Kozlowski]

Resending as my previous email probably got lost. If you got it twice,
apologies.

On 01/06/2023 10:07, Xu Yang wrote:
> Convert the binding to DT schema format.
> 


Thank you for your patch. There is something to discuss/improve.


> new file mode 100644
> index 000000000000..48b0e654e52c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml

Filename matching compatibles, so for exmaple fsl,mxs-usbphy.yaml.

> @@ -0,0 +1,97 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/mxs-usb-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale MXS USB Phy Device
> +
> +maintainers:
> +  - Xu Yang <xu.yang_2@nxp.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:
> +          - fsl,imx23-usbphy
> +          - fsl,vf610-usbphy
> +      - items:
> +          - enum:
> +              - fsl,imx28-usbphy
> +              - fsl,imx6ul-usbphy
> +              - fsl,imx6sl-usbphy
> +              - fsl,imx6sx-usbphy
> +              - fsl,imx6q-usbphy
> +          - const: fsl,imx23-usbphy
> +      - items:
> +          - enum:
> +              - fsl,imx7ulp-usbphy
> +              - fsl,imx6sll-usbphy
> +          - const: fsl,imx6ul-usbphy
> +          - const: fsl,imx23-usbphy
> +      - items:
> +          - const: fsl,imx8dxl-usbphy
> +          - const: fsl,imx7ulp-usbphy
> +          - const: fsl,imx6ul-usbphy
> +          - const: fsl,imx23-usbphy

I cannot find these in the old bindings. Please explain changes to
conversion in commit msg. So far you wrote that it is pure conversion.

> +
> +  reg:
> +    minItems: 1
> +    maxItems: 2
> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 2
> +
> +  fsl,anatop:
> +    description:
> +      phandle for anatop register, it is only for imx6 SoC series
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    maxItems: 1
> +
> +  fsl,tx-cal-45-dn-ohms:
> +    description:
> +      Resistance (in ohms) of switchable high-speed trimming resistor
> +      connected in parallel with the 45 ohm resistor that terminates
> +      the DN output signal.
> +    minimum: 35
> +    maximum: 54
> +    default: 45
> +
> +  fsl,tx-cal-45-dp-ohms:
> +    description:
> +      Resistance (in ohms) of switchable high-speed trimming resistor
> +      connected in parallel with the 45 ohm resistor that terminates
> +      the DP output signal.
> +    minimum: 35
> +    maximum: 54
> +    default: 45
> +
> +  fsl,tx-d-cal:
> +    description:
> +      Current trimming value (as a percentage) of the 17.78 mA TX
> +      reference current.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 79
> +    maximum: 119
> +    default: 100
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +

missing allOf narrowing anatop to imx6. Also interrupts and reg should
be narrowed to respective variants.

> +unevaluatedProperties: false

Instead additionalProperties: false.

> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    usbphy1: usb-phy@20c9000 {
> +        compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
> +        reg = <0x020c9000 0x1000>;
> +        interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;

Is 0 known flag? Use defines for it.

> +        fsl,anatop = <&anatop>;
> +    };
> +
> +...

Best regards,
Krzysztof

RE: [EXT] Re: [PATCH 1/2] dt-bindings: phy: mxs-usb-phy: convert to DT schema format

[Xu Yang]

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Sent: Friday, June 2, 2023 9:15 PM
> To: Xu Yang <xu.yang_2@nxp.com>; robh+dt@kernel.org; krzysztof.kozlowski+dt@linaro.org; conor+dt@kernel.org
> Cc: shawnguo@kernel.org; s.hauer@pengutronix.de; kernel@pengutronix.de; festevam@gmail.com; dl-linux-imx <linux-
> imx@nxp.com>; linux-phy@lists.infradead.org; devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
> usb@vger.kernel.org; Jun Li <jun.li@nxp.com>
> Subject: [EXT] Re: [PATCH 1/2] dt-bindings: phy: mxs-usb-phy: convert to DT schema format
>
> Caution: This is an external email. Please take care when clicking links or opening attachments. When in doubt, report the
> message using the 'Report this email' button
>
>
> Resending as my previous email probably got lost. If you got it twice,
> apologies.
>
> On 01/06/2023 10:07, Xu Yang wrote:
> > Convert the binding to DT schema format.
> >
>
>
> Thank you for your patch. There is something to discuss/improve.
>
>
> > new file mode 100644
> > index 000000000000..48b0e654e52c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/phy/mxs-usb-phy.yaml
>
> Filename matching compatibles, so for exmaple fsl,mxs-usbphy.yaml.

Okay.

>
> > @@ -0,0 +1,97 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/phy/mxs-
> usb-
> phy.yaml%23&data=05%7C01%7Cxu.yang_2%40nxp.com%7C6226d685ea124535c3fe08db636b6ae9%7C686ea1d3bc2b4c6fa
> 92cd99c5c301635%7C0%7C0%7C638213085231814761%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2
> luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=b%2Fw1rubqpTN%2B5JagSotDCTmju%2BMHRsuTs
> JzyZ4OALbs%3D&reserved=0
> > +$schema: http://devicetree.org/meta-
> schemas%2Fcore.yaml%23&data=05%7C01%7Cxu.yang_2%40nxp.com%7C6226d685ea124535c3fe08db636b6ae9%7C686ea
> 1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C638213085231814761%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwM
> DAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=LYDKXb56MU2PeLqHdqGnTFQLKs3B
> Yha5KTFyYRCPBPY%3D&reserved=0
> > +
> > +title: Freescale MXS USB Phy Device
> > +
> > +maintainers:
> > +  - Xu Yang <xu.yang_2@nxp.com>
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - enum:
> > +          - fsl,imx23-usbphy
> > +          - fsl,vf610-usbphy
> > +      - items:
> > +          - enum:
> > +              - fsl,imx28-usbphy
> > +              - fsl,imx6ul-usbphy
> > +              - fsl,imx6sl-usbphy
> > +              - fsl,imx6sx-usbphy
> > +              - fsl,imx6q-usbphy
> > +          - const: fsl,imx23-usbphy
> > +      - items:
> > +          - enum:
> > +              - fsl,imx7ulp-usbphy
> > +              - fsl,imx6sll-usbphy
> > +          - const: fsl,imx6ul-usbphy
> > +          - const: fsl,imx23-usbphy
> > +      - items:
> > +          - const: fsl,imx8dxl-usbphy
> > +          - const: fsl,imx7ulp-usbphy
> > +          - const: fsl,imx6ul-usbphy
> > +          - const: fsl,imx23-usbphy
>
> I cannot find these in the old bindings. Please explain changes to
> conversion in commit msg. So far you wrote that it is pure conversion.

Will add other message in commit.

>
> > +
> > +  reg:
> > +    minItems: 1
> > +    maxItems: 2
> > +
> > +  interrupts:
> > +    minItems: 1
> > +    maxItems: 2
> > +
> > +  fsl,anatop:
> > +    description:
> > +      phandle for anatop register, it is only for imx6 SoC series
> > +    $ref: /schemas/types.yaml#/definitions/phandle-array
> > +    maxItems: 1
> > +
> > +  fsl,tx-cal-45-dn-ohms:
> > +    description:
> > +      Resistance (in ohms) of switchable high-speed trimming resistor
> > +      connected in parallel with the 45 ohm resistor that terminates
> > +      the DN output signal.
> > +    minimum: 35
> > +    maximum: 54
> > +    default: 45
> > +
> > +  fsl,tx-cal-45-dp-ohms:
> > +    description:
> > +      Resistance (in ohms) of switchable high-speed trimming resistor
> > +      connected in parallel with the 45 ohm resistor that terminates
> > +      the DP output signal.
> > +    minimum: 35
> > +    maximum: 54
> > +    default: 45
> > +
> > +  fsl,tx-d-cal:
> > +    description:
> > +      Current trimming value (as a percentage) of the 17.78 mA TX
> > +      reference current.
> > +    $ref: /schemas/types.yaml#/definitions/uint32
> > +    minimum: 79
> > +    maximum: 119
> > +    default: 100
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +
>
> missing allOf narrowing anatop to imx6. Also interrupts and reg should
> be narrowed to respective variants.

Will add such limitation.

>
> > +unevaluatedProperties: false
>
> Instead additionalProperties: false.

Okay.

>
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +
> > +    usbphy1: usb-phy@20c9000 {
> > +        compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
> > +        reg = <0x020c9000 0x1000>;
> > +        interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>;
>
> Is 0 known flag? Use defines for it.

Will use defines.

>
> > +        fsl,anatop = <&anatop>;
> > +    };
> > +
> > +...
>
> Best regards,
> Krzysztof

Thanks,
Xu Yang