Re: [PATCH v22 17/18] dt-bindings: mtd: pl353-nand: Describe this hardware controller

Krzysztof Kozlowski
2021-06-09T12:01:15Z

On 09/06/2021 10:01, Miquel Raynal wrote:
> Add a yaml description of this NAND controller which is described as a
> subnode of the SMC bus.
>
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> ---
> .../bindings/mtd/arm,pl353-nand-r2p1.yaml | 57 +++++++++++++++++++
> 1 file changed, 57 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
>
> diff --git a/Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml b/Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
> new file mode 100644
> index 000000000000..e72fa14b4385
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mtd/arm,pl353-nand-r2p1.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PL353 NAND Controller device tree bindings
> +
> +allOf:
> + - $ref: "nand-controller.yaml"
> +
> +maintainers:
> + - Miquel Raynal <miquel.raynal@bootlin.com>
> + - Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
> +
> +properties:
> + compatible:
> + items:
> + - enum:

That's not an enum, but simple const without items.

> + - arm,pl353-nand-r2p1
> +
> + reg:
> + items:
> + - items:
> + - description: CS with regard to the parent ranges property
> + - description: Offset of the memory region requested by the device
> + - description: Length of the memory region requested by the device

Doesn't it depend on parent's address/size cells?

> +
> + "#address-cells": true
> + "#size-cells": true

These should come from nand-controller.yaml

Best regards,
Krzysztof