2021-05-31 17:01:28

by Nobuhiro Iwamatsu

Subject: [PATCH] dt-bindings: spi: convert Cadence SPI bindings to YAML

Convert spi for Cadence SPI bindings documentation to YAML.

Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
---
.../devicetree/bindings/spi/spi-cadence.txt | 30 ---------
.../devicetree/bindings/spi/spi-cadence.yaml | 63 +++++++++++++++++++
2 files changed, 63 insertions(+), 30 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.txt
create mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.yaml

diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.txt b/Documentation/devicetree/bindings/spi/spi-cadence.txt
deleted file mode 100644
index 05a2ef945664be..00000000000000
--- a/Documentation/devicetree/bindings/spi/spi-cadence.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-Cadence SPI controller Device Tree Bindings
--------------------------------------------
-
-Required properties:
-- compatible : Should be "cdns,spi-r1p6" or "xlnx,zynq-spi-r1p6".
-- reg : Physical base address and size of SPI registers map.
-- interrupts : Property with a value describing the interrupt
- number.
-- clock-names : List of input clock names - "ref_clk", "pclk"
- (See clock bindings for details).
-- clocks : Clock phandles (see clock bindings for details).
-
-Optional properties:
-- num-cs : Number of chip selects used.
- If a decoder is used, this will be the number of
- chip selects after the decoder.
-- is-decoded-cs : Flag to indicate whether decoder is used or not.
-
-Example:
-
- spi@e0007000 {
- compatible = "xlnx,zynq-spi-r1p6";
- clock-names = "ref_clk", "pclk";
- clocks = <&clkc 26>, <&clkc 35>;
- interrupt-parent = <&intc>;
- interrupts = <0 49 4>;
- num-cs = <4>;
- is-decoded-cs = <0>;
- reg = <0xe0007000 0x1000>;
- } ;
diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.yaml b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
new file mode 100644
index 00000000000000..27a7121ed0f9ae
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence SPI controller Device Tree Bindings
+
+maintainers:
+ - Michal Simek <[email protected]>
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - cdns,spi-r1p6
+ - xlnx,zynq-spi-r1p6
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: ref_clk
+ - const: pclk
+
+ clocks:
+ maxItems: 2
+
+ num-cs:
+ description: |
+ Number of chip selects used. If a decoder is used,
+ this will be the number of chip selects after the
+ decoder.
+ minimum: 1
+ maximum: 4
+ default: 4
+
+ is-decoded-cs:
+ description: |
+ Flag to indicate whether decoder is used or not.
+ default: 0
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi@e0007000 {
+ compatible = "xlnx,zynq-spi-r1p6";
+ clock-names = "ref_clk", "pclk";
+ clocks = <&clkc 26>, <&clkc 35>;
+ interrupt-parent = <&intc>;
+ interrupts = <0 49 4>;
+ num-cs = <4>;
+ is-decoded-cs = <0>;
+ reg = <0xe0007000 0x1000>;
+ };
+...
--
2.30.0

2021-06-04 21:48:38

by Rob Herring (Arm)

Subject: Re: [PATCH] dt-bindings: spi: convert Cadence SPI bindings to YAML

On Mon, May 31, 2021 at 11:15:38PM +0900, Nobuhiro Iwamatsu wrote:
> Convert spi for Cadence SPI bindings documentation to YAML.
>
> Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
> ---
> .../devicetree/bindings/spi/spi-cadence.txt | 30 ---------
> .../devicetree/bindings/spi/spi-cadence.yaml | 63 +++++++++++++++++++
> 2 files changed, 63 insertions(+), 30 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.txt
> create mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.yaml
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.txt b/Documentation/devicetree/bindings/spi/spi-cadence.txt
> deleted file mode 100644
> index 05a2ef945664be..00000000000000
> --- a/Documentation/devicetree/bindings/spi/spi-cadence.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -Cadence SPI controller Device Tree Bindings
> --------------------------------------------
> -
> -Required properties:
> -- compatible : Should be "cdns,spi-r1p6" or "xlnx,zynq-spi-r1p6".
> -- reg : Physical base address and size of SPI registers map.
> -- interrupts : Property with a value describing the interrupt
> - number.
> -- clock-names : List of input clock names - "ref_clk", "pclk"
> - (See clock bindings for details).
> -- clocks : Clock phandles (see clock bindings for details).
> -
> -Optional properties:
> -- num-cs : Number of chip selects used.
> - If a decoder is used, this will be the number of
> - chip selects after the decoder.
> -- is-decoded-cs : Flag to indicate whether decoder is used or not.
> -
> -Example:
> -
> - spi@e0007000 {
> - compatible = "xlnx,zynq-spi-r1p6";
> - clock-names = "ref_clk", "pclk";
> - clocks = <&clkc 26>, <&clkc 35>;
> - interrupt-parent = <&intc>;
> - interrupts = <0 49 4>;
> - num-cs = <4>;
> - is-decoded-cs = <0>;
> - reg = <0xe0007000 0x1000>;
> - } ;
> diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.yaml b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
> new file mode 100644
> index 00000000000000..27a7121ed0f9ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence SPI controller Device Tree Bindings
> +
> +maintainers:
> + - Michal Simek <[email protected]>
> +
> +allOf:
> + - $ref: "spi-controller.yaml#"
> +
> +properties:
> + compatible:
> + enum:
> + - cdns,spi-r1p6
> + - xlnx,zynq-spi-r1p6
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clock-names:
> + items:
> + - const: ref_clk
> + - const: pclk
> +
> + clocks:
> + maxItems: 2
> +
> + num-cs:
> + description: |
> + Number of chip selects used. If a decoder is used,
> + this will be the number of chip selects after the
> + decoder.
> + minimum: 1
> + maximum: 4
> + default: 4
> +
> + is-decoded-cs:

Needs a type ref. Despite being called a 'flag' looks like it's an
uint32. Presumably, it also needs:

enum: [ 0, 1 ]

> + description: |
> + Flag to indicate whether decoder is used or not.
> + default: 0
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + spi@e0007000 {
> + compatible = "xlnx,zynq-spi-r1p6";
> + clock-names = "ref_clk", "pclk";
> + clocks = <&clkc 26>, <&clkc 35>;
> + interrupt-parent = <&intc>;
> + interrupts = <0 49 4>;
> + num-cs = <4>;
> + is-decoded-cs = <0>;
> + reg = <0xe0007000 0x1000>;
> + };
> +...
> --
> 2.30.0

2021-06-05 00:27:41

by Nobuhiro Iwamatsu

Subject: Re: [PATCH] dt-bindings: spi: convert Cadence SPI bindings to YAML

Hi,

Thanks for your review.

2021年6月5日(土) 6:46 Rob Herring <[email protected]>:
>
> On Mon, May 31, 2021 at 11:15:38PM +0900, Nobuhiro Iwamatsu wrote:
> > Convert spi for Cadence SPI bindings documentation to YAML.
> >
> > Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
> > ---
> > .../devicetree/bindings/spi/spi-cadence.txt | 30 ---------
> > .../devicetree/bindings/spi/spi-cadence.yaml | 63 +++++++++++++++++++
> > 2 files changed, 63 insertions(+), 30 deletions(-)
> > delete mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.txt
> > create mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.txt b/Documentation/devicetree/bindings/spi/spi-cadence.txt
> > deleted file mode 100644
> > index 05a2ef945664be..00000000000000
> > --- a/Documentation/devicetree/bindings/spi/spi-cadence.txt
> > +++ /dev/null
> > @@ -1,30 +0,0 @@
> > -Cadence SPI controller Device Tree Bindings
> > --------------------------------------------
> > -
> > -Required properties:
> > -- compatible : Should be "cdns,spi-r1p6" or "xlnx,zynq-spi-r1p6".
> > -- reg : Physical base address and size of SPI registers map.
> > -- interrupts : Property with a value describing the interrupt
> > - number.
> > -- clock-names : List of input clock names - "ref_clk", "pclk"
> > - (See clock bindings for details).
> > -- clocks : Clock phandles (see clock bindings for details).
> > -
> > -Optional properties:
> > -- num-cs : Number of chip selects used.
> > - If a decoder is used, this will be the number of
> > - chip selects after the decoder.
> > -- is-decoded-cs : Flag to indicate whether decoder is used or not.
> > -
> > -Example:
> > -
> > - spi@e0007000 {
> > - compatible = "xlnx,zynq-spi-r1p6";
> > - clock-names = "ref_clk", "pclk";
> > - clocks = <&clkc 26>, <&clkc 35>;
> > - interrupt-parent = <&intc>;
> > - interrupts = <0 49 4>;
> > - num-cs = <4>;
> > - is-decoded-cs = <0>;
> > - reg = <0xe0007000 0x1000>;
> > - } ;
> > diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.yaml b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
> > new file mode 100644
> > index 00000000000000..27a7121ed0f9ae
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
> > @@ -0,0 +1,63 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Cadence SPI controller Device Tree Bindings
> > +
> > +maintainers:
> > + - Michal Simek <[email protected]>
> > +
> > +allOf:
> > + - $ref: "spi-controller.yaml#"
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - cdns,spi-r1p6
> > + - xlnx,zynq-spi-r1p6
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 1
> > +
> > + clock-names:
> > + items:
> > + - const: ref_clk
> > + - const: pclk
> > +
> > + clocks:
> > + maxItems: 2
> > +
> > + num-cs:
> > + description: |
> > + Number of chip selects used. If a decoder is used,
> > + this will be the number of chip selects after the
> > + decoder.
> > + minimum: 1
> > + maximum: 4
> > + default: 4
> > +
> > + is-decoded-cs:
>
> Needs a type ref. Despite being called a 'flag' looks like it's an
> uint32. Presumably, it also needs:
>
> enum: [ 0, 1 ]

Yeah, this is a flag, but the driver source code uses it as u32.
So, I will add ref and enum, thanks.

>
> > + description: |
> > + Flag to indicate whether decoder is used or not.
> > + default: 0

Best regards,
Nobuhiro