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Message-ID: <aac1b716-c4f6-46e8-88f6-e5aad5bca870@linaro.org>
Date: Thu, 19 Oct 2023 11:26:59 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Praveen Teja Kundanala <praveen.teja.kundanala@....com>,
srinivas.kandagatla@...aro.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
michal.simek@....com, praveent@....com, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 2/5] dt-bindings: nvmem: Convert xlnx,zynqmp-nvmem.txt
to yaml
On 19/10/2023 08:06, Praveen Teja Kundanala wrote:
> Convert the xlnx,zynqmp-nvmem.txt to yaml.
>
> Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@....com>
> ---
> .../bindings/nvmem/xlnx,zynqmp-nvmem.txt | 46 -------------------
> .../bindings/nvmem/xlnx,zynqmp-nvmem.yaml | 40 ++++++++++++++++
> 2 files changed, 40 insertions(+), 46 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
> create mode 100644 Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
>
> diff --git a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
> deleted file mode 100644
> index 4881561b3a02..000000000000
> --- a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
> +++ /dev/null
> @@ -1,46 +0,0 @@
> ---------------------------------------------------------------------------
> -= Zynq UltraScale+ MPSoC nvmem firmware driver binding =
> ---------------------------------------------------------------------------
> -The nvmem_firmware node provides access to the hardware related data
> -like soc revision, IDCODE... etc, By using the firmware interface.
> -
> -Required properties:
> -- compatible: should be "xlnx,zynqmp-nvmem-fw"
> -
> -= Data cells =
> -Are child nodes of silicon id, bindings of which as described in
> -bindings/nvmem/nvmem.txt
> -
> --------
> - Example
> --------
> -firmware {
> - zynqmp_firmware: zynqmp-firmware {
> - compatible = "xlnx,zynqmp-firmware";
> - method = "smc";
> -
> - nvmem_firmware {
> - compatible = "xlnx,zynqmp-nvmem-fw";
> - #address-cells = <1>;
> - #size-cells = <1>;
> -
> - /* Data cells */
> - soc_revision: soc_revision {
> - reg = <0x0 0x4>;
> - };
> - };
> - };
> -};
> -
> -= Data consumers =
> -Are device nodes which consume nvmem data cells.
> -
> -For example:
> - pcap {
> - ...
> -
> - nvmem-cells = <&soc_revision>;
> - nvmem-cell-names = "soc_revision";
> -
> - ...
> - };
> diff --git a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
> new file mode 100644
> index 000000000000..5d20362a0615
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/xlnx,zynqmp-nvmem.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Zynq UltraScale+ MPSoC Non Volatile Memory interface
> +
> +description: |
> + The ZynqMP MPSoC provides access to the hardware related data
> + like SOC revision, IDCODE and specific purpose efuses.
> +
> +maintainers:
> + - Kalyani Akula <kalyani.akula@....com>
> + - Praveen Teja Kundanala <praveen.teja.kundanala@....com>
> +
> +allOf:
> + - $ref: nvmem.yaml#
> +
> +properties:
> + compatible:
> + const: xlnx,zynqmp-nvmem-fw
> +
> +required:
> + - compatible
Test your bindings before sending. I am not a free tester of your
code... It's your duty.
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + nvmem-firmware {
Node names should be generic, so "nvmem". See also an explanation and
list of examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
I already asked for this.
Best regards,
Krzysztof
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