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Date:   Tue, 25 Aug 2020 09:02:51 -0700 (PDT)
Subject:     Re: [PATCH 1/3] dt-bindings: riscv: Add DT documentation for DDR Controller in SiFive SoCs
In-Reply-To: <1598357182-4226-2-git-send-email-yash.shah@sifive.com>
CC:     robh+dt@kernel.org, Paul Walmsley <paul.walmsley@sifive.com>,
        bp@alien8.de, mchehab@kernel.org, tony.luck@intel.com,
        aou@eecs.berkeley.edu, james.morse@arm.com, rrichter@marvell.com,
        devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org,
        sachin.ghadi@sifive.com, yash.shah@sifive.com
From:   Palmer Dabbelt <palmer@dabbelt.com>
To:     yash.shah@sifive.com
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On Tue, 25 Aug 2020 05:06:20 PDT (-0700), yash.shah@sifive.com wrote:
> Add device tree bindings for SiFive FU540 DDR controller driver
>
> Signed-off-by: Yash Shah <yash.shah@sifive.com>
> ---
>  .../devicetree/bindings/riscv/sifive-ddr.yaml      | 41 ++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/riscv/sifive-ddr.yaml
>
> diff --git a/Documentation/devicetree/bindings/riscv/sifive-ddr.yaml b/Documentation/devicetree/bindings/riscv/sifive-ddr.yaml
> new file mode 100644
> index 0000000..0288119
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/riscv/sifive-ddr.yaml
> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/riscv/sifive-ddr.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SiFive DDR memory controller binding
> +
> +description: |
> +  The Sifive DDR controller driver is used to manage the Cadence DDR
> +  controller present in SiFive FU540-C000 SoC. Currently the driver is
> +  used to manage EDAC feature of the DDR controller.
> +
> +maintainers:
> +  - Yash Shah <yash.shah@sifive.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - sifive,fu540-c000-ddr
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    memory-controller@100b0000 {
> +        compatible = "sifive,fu540-c000-ddr";
> +        reg = <0x100b0000 0x4000>;
> +        interrupts = <31>;
> +    };

Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>