Re: [PATCH v3 1/2] dt-bindings: edac: Add cadence ddr mc support

From: Rob Herring
Date: Tue Apr 14 2020 - 19:50:03 EST


On Mon, Apr 06, 2020 at 03:13:40PM +0200, Dhananjay Kangude wrote:
> Add documentation for cadence ddr memory controller EDAC DTS bindings
>
> Signed-off-by: Dhananjay Kangude <dkangude@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/edac/cdns,ddr-edac.yaml | 47 ++++++++++++++++++++
> 1 files changed, 47 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/edac/cdns,ddr-edac.yaml
>
> diff --git a/Documentation/devicetree/bindings/edac/cdns,ddr-edac.yaml b/Documentation/devicetree/bindings/edac/cdns,ddr-edac.yaml
> new file mode 100644
> index 0000000..30ea757
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/edac/cdns,ddr-edac.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/edac/cdns,ddr-edac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence DDR IP with ECC support (EDAC)
> +
> +description:
> + This binding describes the Cadence DDR/LPDDR IP with ECC feature enabled
> + to detect and correct CE/UE errors.
> +
> +maintainers:
> + - Dhananjay Kangdue <dkangude@xxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + enum:
> + - cdns,ddr4-mc

Surely there's more than 1 version?

> +
> + reg:
> + minItems: 1
> + maxItems: 2
> + items:
> + - description:
> + Register block of DDR/LPDDR apb registers up to mapped area.
> + Mapped area contains the register set for memory controller,
> + phy and PI module register set doesn't part of this mapping.

doesn't part of this mapping?

Need a description for the 2nd region.

> +
> + interrupts:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + edac: edac@fd100000 {

memory-controller@

> + compatible = "cdns,ddr4-mc-edac";

Doesn't match.

> + reg = <0xfd100000 0x4000>;
> + interrupts = <0x00 0x01 0x04>;
> + };
> +...
> --
> 1.7.1
>