Re: [PATCH v3 1/2] mtd: devices: add devicetree documentation for microchip 48l640
From: Rob Herring
Date: Wed Jun 02 2021 - 15:30:10 EST
On Tue, Jun 01, 2021 at 06:35:45AM +0200, Heiko Schocher wrote:
> The Microchip 48l640 is a 8KByte EERAM connected via SPI.
> Add devicetree bindings documentation.
>
> Signed-off-by: Heiko Schocher <hs@xxxxxxx>
> ---
>
> Changes in v3:
> Add Fabio to cc
>
> Changes in v2:
> as Rob helped, fix warnings from running command
> 'make DT_CHECKER_FLAGS=-m dt_binding_check'
>
> .../bindings/mtd/microchip,mchp48l640.yaml | 45 +++++++++++++++++++
> 1 file changed, 45 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/microchip,mchp48l640.yaml
>
> diff --git a/Documentation/devicetree/bindings/mtd/microchip,mchp48l640.yaml b/Documentation/devicetree/bindings/mtd/microchip,mchp48l640.yaml
> new file mode 100644
> index 0000000000000..08089f2db0761
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/microchip,mchp48l640.yaml
> @@ -0,0 +1,45 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/mtd/microchip,mchp48l640.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: MTD SPI driver for Microchip 48l640 (and similar) serial EERAM
This is not the driver.
> +
> +maintainers:
> + - Heiko Schocher <hs@xxxxxxx>
> +
> +description: |
> + The Microchip 48l640 is a 8KByte EERAM connected via SPI.
> +
> + datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/20006055B.pdf
> +
> +properties:
> + compatible:
> + items:
> + - const: microchip,48l640
> +
> + reg:
> + maxItems: 1
> +
> + spi-max-frequency: true
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + spi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + spi-eeram@0 {
eeram@0
Otherwise,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> + compatible = "microchip,48l640";
> + reg = <0>;
> + spi-max-frequency = <20000000>;
> + };
> + };
> +...
> --
> 2.31.1