2020-06-04 02:08:13

by Anson Huang

Subject: [PATCH V2 1/3] dt-bindings: spi: Convert mxs spi to json-schema

Convert the MXS SPI binding to DT schema format using json-schema

Signed-off-by: Anson Huang <[email protected]>
---
Changes since V1:
- add "unevaluatedProperties: false".
---
Documentation/devicetree/bindings/spi/mxs-spi.txt | 26 ----------
Documentation/devicetree/bindings/spi/mxs-spi.yaml | 57 ++++++++++++++++++++++
2 files changed, 57 insertions(+), 26 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txt
create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.yaml

diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt b/Documentation/devicetree/bindings/spi/mxs-spi.txt
deleted file mode 100644
index 3499b73..0000000
--- a/Documentation/devicetree/bindings/spi/mxs-spi.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-* Freescale MX233/MX28 SSP/SPI
-
-Required properties:
-- compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28"
-- reg: Offset and length of the register set for the device
-- interrupts: Should contain SSP ERROR interrupt
-- dmas: DMA specifier, consisting of a phandle to DMA controller node
- and SSP DMA channel ID.
- Refer to dma.txt and fsl-mxs-dma.txt for details.
-- dma-names: Must be "rx-tx".
-
-Optional properties:
-- clock-frequency : Input clock frequency to the SPI block in Hz.
- Default is 160000000 Hz.
-
-Example:
-
-ssp0: ssp@80010000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "fsl,imx28-spi";
- reg = <0x80010000 0x2000>;
- interrupts = <96>;
- dmas = <&dma_apbh 0>;
- dma-names = "rx-tx";
-};
diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.yaml b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
new file mode 100644
index 0000000..68c5d6d
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/mxs-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale MX233/MX28 SSP/SPI
+
+maintainers:
+ - Marek Vasut <[email protected]>
+
+allOf:
+ - $ref: "/schemas/spi/spi-controller.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx23-spi
+ - fsl,imx28-spi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ dmas:
+ maxItems: 1
+
+ dma-names:
+ const: rx-tx
+
+ clock-frequency:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: input clock frequency to the SPI block in Hz.
+ default: 160000000
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - dmas
+ - dma-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi@80010000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,imx28-spi";
+ reg = <0x80010000 0x2000>;
+ interrupts = <96>;
+ dmas = <&dma_apbh 0>;
+ dma-names = "rx-tx";
+ };
--
2.7.4

2020-06-15 17:18:57

by Rob Herring (Arm)

Subject: Re: [PATCH V2 1/3] dt-bindings: spi: Convert mxs spi to json-schema

On Thu, Jun 04, 2020 at 09:55:29AM +0800, Anson Huang wrote:
> Convert the MXS SPI binding to DT schema format using json-schema
>
> Signed-off-by: Anson Huang <[email protected]>
> ---
> Changes since V1:
> - add "unevaluatedProperties: false".
> ---
> Documentation/devicetree/bindings/spi/mxs-spi.txt | 26 ----------
> Documentation/devicetree/bindings/spi/mxs-spi.yaml | 57 ++++++++++++++++++++++
> 2 files changed, 57 insertions(+), 26 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txt
> create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.yaml
>
> diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt b/Documentation/devicetree/bindings/spi/mxs-spi.txt
> deleted file mode 100644
> index 3499b73..0000000
> --- a/Documentation/devicetree/bindings/spi/mxs-spi.txt
> +++ /dev/null
> @@ -1,26 +0,0 @@
> -* Freescale MX233/MX28 SSP/SPI
> -
> -Required properties:
> -- compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28"
> -- reg: Offset and length of the register set for the device
> -- interrupts: Should contain SSP ERROR interrupt
> -- dmas: DMA specifier, consisting of a phandle to DMA controller node
> - and SSP DMA channel ID.
> - Refer to dma.txt and fsl-mxs-dma.txt for details.
> -- dma-names: Must be "rx-tx".
> -
> -Optional properties:
> -- clock-frequency : Input clock frequency to the SPI block in Hz.
> - Default is 160000000 Hz.
> -
> -Example:
> -
> -ssp0: ssp@80010000 {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - compatible = "fsl,imx28-spi";
> - reg = <0x80010000 0x2000>;
> - interrupts = <96>;
> - dmas = <&dma_apbh 0>;
> - dma-names = "rx-tx";
> -};
> diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.yaml b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> new file mode 100644
> index 0000000..68c5d6d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/mxs-spi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale MX233/MX28 SSP/SPI
> +
> +maintainers:
> + - Marek Vasut <[email protected]>
> +
> +allOf:
> + - $ref: "/schemas/spi/spi-controller.yaml#"
> +
> +properties:
> + compatible:
> + enum:
> + - fsl,imx23-spi
> + - fsl,imx28-spi
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + dmas:
> + maxItems: 1
> +
> + dma-names:
> + const: rx-tx
> +
> + clock-frequency:
> + $ref: /schemas/types.yaml#/definitions/uint32

Already has a type, drop.

With that,

Reviewed-by: Rob Herring <[email protected]>

> + description: input clock frequency to the SPI block in Hz.
> + default: 160000000
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - dmas
> + - dma-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + spi@80010000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "fsl,imx28-spi";
> + reg = <0x80010000 0x2000>;
> + interrupts = <96>;
> + dmas = <&dma_apbh 0>;
> + dma-names = "rx-tx";
> + };
> --
> 2.7.4
>