Re: [PATCH 10/13] dt-bindings: spi: add bindings for microchip mpfs spi

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Hi Conor,

On Mon, Nov 8, 2021 at 4:07 PM <conor.dooley@xxxxxxxxxxxxx> wrote:
> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
>
> Add device tree bindings for the {q,}spi controller on
> the Microchip PolarFire SoC.
>
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks for your patch!

> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip MPFS {Q,}SPI Controller Device Tree Bindings
> +
> +maintainers:
> +  - Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> +
> +description: |
> +  This {Q,}SPI controller is found on the Microchip PolarFire SoC.
> +
> +allOf:
> +  - $ref: "spi-controller.yaml#"
> +
> +properties:
> +  compatible:
> +    enum:
> +      - microchip,mpfs-spi
> +      - microsemi,ms-pf-mss-spi
> +      - microchip,mpfs-qspi
> +      - microsemi,ms-pf-mss-qspi

Same comment as before: what are the ms-pf-mss entries?

> +examples:
> +  - |
> +    #include "dt-bindings/clock/microchip,mpfs-clock.h"
> +    #include "dt-bindings/interrupt-controller/microchip,mpfs-plic.h"
> +    soc {
> +      #address-cells = <2>;
> +      #size-cells = <2>;

Please drop these two...

> +      spi0: spi@20108000 {
> +        compatible = "microchip,mpfs-spi";
> +        reg = <0x0 0x20108000 0x0 0x1000>;

... and the zeros here.

> +        clocks = <&clkcfg CLK_SPI0>;
> +        interrupt-parent = <&plic>;
> +        interrupts = <PLIC_INT_SPI0>;
> +        spi-max-frequency = <25000000>;
> +        num-cs = <8>;
> +        status = "disabled";

Please drop this.

> +      };
> +    };
> +...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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