netdev - Re: [PATCH] dt-bindings: net: bluetooth: convert MT7622 Bluetooth to the json-schema

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Date: Thu, 27 Jun 2024 10:08:47 -0600
From: Rob Herring <robh@...nel.org>
To: Rafał Miłecki <zajec5@...il.com>
Cc: "David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Sean Wang <sean.wang@...iatek.com>, linux-bluetooth@...r.kernel.org,
	netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH] dt-bindings: net: bluetooth: convert MT7622 Bluetooth to
 the json-schema

On Thu, Jun 27, 2024 at 07:40:11AM +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@...ecki.pl>
> 
> This helps validating DTS files.
> 
> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
> ---
>  .../bluetooth/mediatek,mt7622-bluetooth.yaml  | 61 +++++++++++++++++++
>  .../bindings/net/mediatek-bluetooth.txt       | 36 -----------
>  2 files changed, 61 insertions(+), 36 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7622-bluetooth.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7622-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7622-bluetooth.yaml
> new file mode 100644
> index 000000000000..cb8ff93c93eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7622-bluetooth.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/bluetooth/mediatek,mt7622-bluetooth.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek SoC built-in Bluetooth
> +
> +description:
> +  This device is a serial attached device to BTIF device and thus it must be a
> +  child node of the serial node with BTIF. The dt-bindings details for BTIF
> +  device can be known via Documentation/devicetree/bindings/serial/8250.yaml.
> +
> +maintainers:
> +  - Sean Wang <sean.wang@...iatek.com>
> +
> +allOf:
> +  - $ref: bluetooth-controller.yaml#
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt7622-bluetooth
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: ref
> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - clocks
> +  - clock-names
> +  - power-domains
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/mt7622-clk.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/power/mt7622-power.h>
> +
> +    serial@...0c000 {
> +        compatible = "mediatek,mt7622-btif", "mediatek,mtk-btif";
> +        reg = <0 0x1100c000 0 0x1000>;
> +        interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_LOW>;
> +        clocks = <&pericfg CLK_PERI_BTIF_PD>;
> +        clock-names = "main";
> +        reg-shift = <2>;
> +        reg-io-width = <4>;

Just drop all this. Not relevant to *this* example.

You just need:

serial {

> +
> +        bluetooth {
> +            compatible = "mediatek,mt7622-bluetooth";
> +            power-domains = <&scpsys MT7622_POWER_DOMAIN_WB>;
> +            clocks = <&clk25m>;
> +            clock-names = "ref";
> +        };
> +    };