linux-kernel - Re: [PATCH v5 06/18] dt-bindings: new: wireless: describe the ath12k PCI module

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Date: Mon, 19 Feb 2024 08:38:12 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bartosz Golaszewski <brgl@...ev.pl>, Marcel Holtmann
 <marcel@...tmann.org>, Luiz Augusto von Dentz <luiz.dentz@...il.com>,
 "David S . Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Kalle Valo <kvalo@...nel.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>, Liam Girdwood
 <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Bjorn Helgaas <bhelgaas@...gle.com>, Saravana Kannan <saravanak@...gle.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>, Arnd Bergmann <arnd@...db.de>,
 Neil Armstrong <neil.armstrong@...aro.org>,
 Marek Szyprowski <m.szyprowski@...sung.com>, Alex Elder <elder@...aro.org>,
 Srini Kandagatla <srinivas.kandagatla@...aro.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Abel Vesa <abel.vesa@...aro.org>, Manivannan Sadhasivam <mani@...nel.org>,
 Lukas Wunner <lukas@...ner.de>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-wireless@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
 linux-pm@...r.kernel.org,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v5 06/18] dt-bindings: new: wireless: describe the ath12k
 PCI module

On 16/02/2024 21:32, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Add device-tree bindings for the ATH12K module found in the WCN7850
> package.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>  .../net/wireless/qcom,ath12k-pci.yaml         | 103 ++++++++++++++++++
>  1 file changed, 103 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/wireless/qcom,ath12k-pci.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k-pci.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k-pci.yaml
> new file mode 100644
> index 000000000000..063c576b99a0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k-pci.yaml

This means there can be ath12k over AHB or some other bus, which would
be quite different and not fit together in one schema file. It's that
the case?

> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2024 Linaro Limited
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/wireless/qcom,ath12k-pci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies ath12k wireless devices (PCIe)
> +
> +maintainers:
> +  - Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  Qualcomm Technologies IEEE 802.11ax PCIe devices
> +
> +properties:
> +  compatible:
> +    enum:
> +      - pci17cb,1107  # WCN7850
> +
> +  reg:
> +    maxItems: 1
> +
> +  enable-gpios:
> +    maxItems: 1
> +    description: GPIO line enabling the WLAN module
> +
> +  vdd-supply:
> +    description: VDD supply regulator handle
> +
> +  vddio-supply:
> +    description: VDD_IO supply regulator handle
> +
> +  vddio1p2-supply:
> +    description: VDD_IO_1P2 supply regulator handle
> +
> +  vddaon-supply:
> +    description: VDD_AON supply regulator handle
> +
> +  vdddig-supply:
> +    description: VDD_DIG supply regulator handle
> +
> +  vddrfa1p2-supply:
> +    description: VDD_RFA_1P2 supply regulator handle
> +
> +  vddrfa1p8-supply:
> +    description: VDD_PCIE_1P8 supply regulator handle
> +
> +  clocks:
> +    maxItems: 1
> +    description:
> +      Reference clock phandle

These three could be just:
items:
  - description: Reference clock

(phandle is redundant in this context)

Best regards,
Krzysztof