Re: [PATCH v2 1/1] dt-bindings: board: convert fsl-board.txt to yaml

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On Fri, Aug 16, 2024 at 03:27:41PM -0600, Rob Herring wrote:
> On Tue, Aug 13, 2024 at 12:36:29PM -0400, Frank Li wrote:
> > Convert binding doc fsl-board.txt to yaml format. split to 3 part
> > fsl,bcsr.yaml, fsl,fpga-qixis.yaml, fsl,fpga-qixis-i2c.yaml
> >
> > Additional change for fsl,fpga-qixis.yaml
> > - Add childnode mdio-mux-emi*
> > - Add compatible string fsl,ls1043aqds-fpga, fsl,ls1043ardb-fpga,
> > fsl,ls1046aqds-fpga, fsl,ls1046ardb-fpga, fsl,ls208xaqds-fpga,
> > fsl,ls1043ardb-cpld, fsl,ls1046ardb-cpld, fsl,ls1088aqds-fpga,
> > fsl,ls1088ardb-fpga, fsl,ls2080aqds-fpga, fsl,ls2080ardb-fpga.
> > - Change address to 32bit in example.
> >
> > Additional change for fsl,fpga-qixis-i2c.yaml
> > - Add mux-controller
> > - Add compatible string fsl,ls1028aqds-fpga, fsl,lx2160aqds-fpga
> >
> > Fix below warning:
> >
> > arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dtb: /soc/i2c@2000000/fpga@66: failed to match any schema with compatible: ['fsl,ls1028aqds-fpga', 'fsl,fpga-qixis-i2c', 'simple-mfd']
> >
> > Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> > ---
> > Change from v1 to v2
> > - drop description in fsl,bcsr.yaml
> > - bsc9132qds is too old, their dts have not simple-mfd.
> > - split qixis-i2c compatible to two group, one with simple-mfd and the
> > other one without simple-mfd.
> > - Add new full example for ls1028
> > - Remove [0-9], keep @ for mdio-mux-emi. Dts need be update to avoid
> > warning
> > - fix typo dt-binding in subject
> > ---
> >  .../devicetree/bindings/board/fsl,bcsr.yaml   | 32 ++++++++
> >  .../bindings/board/fsl,fpga-qixis-i2c.yaml    | 70 ++++++++++++++++
> >  .../bindings/board/fsl,fpga-qixis.yaml        | 81 +++++++++++++++++++
> >  .../devicetree/bindings/board/fsl-board.txt   | 81 -------------------
> >  .../boot/dts/freescale/fsl-ls1043a-qds.dts    |  2 +-
> >  5 files changed, 184 insertions(+), 82 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/board/fsl,bcsr.yaml
> >  create mode 100644 Documentation/devicetree/bindings/board/fsl,fpga-qixis-i2c.yaml
> >  create mode 100644 Documentation/devicetree/bindings/board/fsl,fpga-qixis.yaml
> >  delete mode 100644 Documentation/devicetree/bindings/board/fsl-board.txt
> >
> > diff --git a/Documentation/devicetree/bindings/board/fsl,bcsr.yaml b/Documentation/devicetree/bindings/board/fsl,bcsr.yaml
> > new file mode 100644
> > index 0000000000000..df3dd8399671f
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/board/fsl,bcsr.yaml
> > @@ -0,0 +1,32 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/board/fsl,bcsr.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Board Control and Status
> > +
> > +maintainers:
> > +  - Frank Li <Frank.Li@xxxxxxx>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - fsl,mpc8360mds-bcsr
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    board@f8000000 {
> > +        compatible = "fsl,mpc8360mds-bcsr";
> > +        reg = <0xf8000000 0x8000>;
> > +    };
> > +
> > diff --git a/Documentation/devicetree/bindings/board/fsl,fpga-qixis-i2c.yaml b/Documentation/devicetree/bindings/board/fsl,fpga-qixis-i2c.yaml
> > new file mode 100644
> > index 0000000000000..28b37772fb656
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/board/fsl,fpga-qixis-i2c.yaml
> > @@ -0,0 +1,70 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/board/fsl,fpga-qixis-i2c.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Freescale on-board FPGA connected on I2C bus
> > +
> > +maintainers:
> > +  - Frank Li <Frank.Li@xxxxxxx>
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +          - enum:
> > +              - fsl,bsc9132qds-fpga
> > +          - const: fsl,fpga-qixis-i2c
> > +      - items:
> > +          - enum:
> > +              - fsl,ls1028aqds-fpga
> > +              - fsl,lx2160aqds-fpga
> > +          - const: fsl,fpga-qixis-i2c
> > +          - const: simple-mfd
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  mux-controller:
> > +    $ref: /schemas/mux/reg-mux.yaml
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        board-control@66 {
> > +            compatible = "fsl,bsc9132qds-fpga", "fsl,fpga-qixis-i2c";
> > +            reg = <0x66>;
> > +        };
> > +    };
> > +
> > +  - |
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        board-control@66 {
> > +            compatible = "fsl,ls1028aqds-fpga", "fsl,fpga-qixis-i2c",
> > +                         "simple-mfd";
> > +            reg = <0x66>;
> > +
> > +            mux-controller {
> > +                compatible = "reg-mux";
> > +                #mux-control-cells = <1>;
> > +                mux-reg-masks = <0x54 0xf0>; /* 0: reg 0x54, bits 7:4 */
> > +            };
> > +        };
> > +    };
> > +
> > diff --git a/Documentation/devicetree/bindings/board/fsl,fpga-qixis.yaml b/Documentation/devicetree/bindings/board/fsl,fpga-qixis.yaml
> > new file mode 100644
> > index 0000000000000..4d4eb45ce64cd
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/board/fsl,fpga-qixis.yaml
> > @@ -0,0 +1,81 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/board/fsl,fpga-qixis.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Freescale on-board FPGA/CPLD
> > +
> > +maintainers:
> > +  - Frank Li <Frank.Li@xxxxxxx>
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +          - const: fsl,p1022ds-fpga
> > +          - const: fsl,fpga-ngpixis
> > +      - items:
> > +          - enum:
> > +              - fsl,ls1088aqds-fpga
> > +              - fsl,ls1088ardb-fpga
> > +              - fsl,ls2080aqds-fpga
> > +              - fsl,ls2080ardb-fpga
> > +          - const: fsl,fpga-qixis
> > +      - items:
> > +          - enum:
> > +              - fsl,ls1043aqds-fpga
> > +              - fsl,ls1043ardb-fpga
> > +              - fsl,ls1046aqds-fpga
> > +              - fsl,ls1046ardb-fpga
> > +              - fsl,ls208xaqds-fpga
> > +          - const: fsl,fpga-qixis
> > +          - const: simple-mfd
> > +      - enum:
> > +          - fsl,ls1043ardb-cpld
> > +          - fsl,ls1046ardb-cpld
> > +          - fsl,t1040rdb-cpld
> > +          - fsl,t1042rdb-cpld
> > +          - fsl,t1042rdb_pi-cpld
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  "#address-cells":
> > +    const: 1
> > +
> > +  "#size-cells":
> > +    const: 1
> > +
> > +  ranges:
> > +    maxItems: 1
> > +
> > +patternProperties:
> > +  '^mdio-mux-emi@[a-f0-9]+$':
>
> If we're going to update the dts file, this should be 'mdio-mux@'. I'll
> fix this when applying. The rest looks good.

Thanks, I will fix dts in v2 3nrd clean up patchset.

Frank

>
> Note that p5040ds.dts has 2 nodes at the same reg address, but different
> bit offsets. The way we handle that is adding the register starting bit
> offset to the unit-address like this:
>
> mdio-mux@9,1 (mux-mask 0x6)
> mdio-mux@9,3 (mux-mask 0x78)
>
> Rob




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