From patchwork Mon Sep 19 16:48:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sven Peter X-Patchwork-Id: 609228 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 197EDECAAD3 for ; Mon, 19 Sep 2022 16:49:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230131AbiISQty (ORCPT ); Mon, 19 Sep 2022 12:49:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230099AbiISQtl (ORCPT ); Mon, 19 Sep 2022 12:49:41 -0400 Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8992B2DC4; Mon, 19 Sep 2022 09:49:37 -0700 (PDT) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 7ACD05C0402; Mon, 19 Sep 2022 12:49:36 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Mon, 19 Sep 2022 12:49:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=svenpeter.dev; h=cc:cc:content-transfer-encoding:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm2; t=1663606176; x= 1663692576; bh=AmcPpL+YdlnNYyjYJ3VxXFyfHrEQ8EiR8TRALxe0DkA=; b=u 7KZtU7ZHza237+I29eDNRdipYUgLqHnGTrpI2ULpqTgljGIEH2/YIUqq4fr+ojf3 JpMiCo9cAcVyypPuXe5uHfCn9r0CS1Ntf5VB63iOfykP4e6RXt7DkIVqhKTY7B0p 9h4e3Ll5iE1pygcvOnuiY+Jljm7BAW/JbrkLc4I+4x7qBC8VL6cdI71tPkga2cUh 5r7bjBTgzmERsDkUnU5F8wAzTt+zc8EQiZr1tLbloHeiW/37NLIkCmaQebJBF2+U BJRzTnZ+fnTC0Vl0X0H09KafFqdu4TFlpEAGh57tmpU7tl0hHeHuWdYHotYPhbMM EEuLDN/pOJ1h/OV/UPQVQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; t=1663606176; x=1663692576; bh=AmcPpL+YdlnNY yjYJ3VxXFyfHrEQ8EiR8TRALxe0DkA=; b=PojaSPq1463dksscJWobpuezbbgCB oVECiPL3EUDpirp05Nes2cERUa4XgCEOKdP12aNiYsMWB+SKX3mUW29PObuTUm8N wb5dHDkZBdIlAN5HqQgKuwIsPaG9LudSdF4a+hNIUrj8AuLu88fhAyTejvQnfMKQ jeAOP4PSGTZXnJI2CoWQBFGYPlUA7pyakIIkw6YHMjc4l7j36M7rlDg5/L47DT49 rRixKo2B1A3eaIT9c/31CRcGvsWLeDH1p1esMo6pKGa00WzbvEeT2bfE+v7QkHaW V9f4KhDxX3wAHG+DY+vLv1kE10++jiprJJRlIMSjEKNvIjWZ1bw32cNRw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfedvjedguddtkecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefhvfevufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefuvhgv nhcurfgvthgvrhcuoehsvhgvnhesshhvvghnphgvthgvrhdruggvvheqnecuggftrfgrth htvghrnhephfeufffgffegtdefhfefueejfefghfelkeetuddvffeigeffuedvjeegudel ieelnecuffhomhgrihhnpeguvghvihgtvghtrhgvvgdrohhrghenucevlhhushhtvghruf hiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehsvhgvnhesshhvvghnphgvthgv rhdruggvvh X-ME-Proxy: Feedback-ID: i51094778:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 19 Sep 2022 12:49:34 -0400 (EDT) From: Sven Peter To: Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , Rob Herring , Krzysztof Kozlowski Cc: Sven Peter , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Hector Martin , Alyssa Rosenzweig , asahi@lists.linux.dev, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/7] dt-bindings: net: Add Broadcom BCM4377 family PCIe Bluetooth Date: Mon, 19 Sep 2022 18:48:29 +0200 Message-Id: <20220919164834.62739-3-sven@svenpeter.dev> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20220919164834.62739-1-sven@svenpeter.dev> References: <20220919164834.62739-1-sven@svenpeter.dev> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org These chips are combined Wi-Fi/Bluetooth radios which expose a PCI subfunction for the Bluetooth part. They are found in Apple machines such as the x86 models with the T2 chip or the arm64 models with the M1 or M2 chips. Signed-off-by: Sven Peter Reviewed-by: Rob Herring --- changes from v2: - extended example to include parent pcie node to make node name validation work - moved to bluetooth/ subdirectory - added maxItems to reg and dropped description - moved bluetooth-controller.yaml reference after description changes from v1: - added apple,* pattern to brcm,board-type - s/PCI/PCIe/ - fixed 1st reg cell inside the example to not contain the bus number .../net/bluetooth/brcm,bcm4377-bluetooth.yaml | 81 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml diff --git a/Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml new file mode 100644 index 000000000000..37cb39a3a62e --- /dev/null +++ b/Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/bluetooth/brcm,bcm4377-bluetooth.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM4377 family PCIe Bluetooth Chips + +maintainers: + - Sven Peter + +description: + This binding describes Broadcom BCM4377 family PCIe-attached bluetooth chips + usually found in Apple machines. The Wi-Fi part of the chip is described in + bindings/net/wireless/brcm,bcm4329-fmac.yaml. + +allOf: + - $ref: bluetooth-controller.yaml# + +properties: + compatible: + enum: + - pci14e4,5fa0 # BCM4377 + - pci14e4,5f69 # BCM4378 + - pci14e4,5f71 # BCM4387 + + reg: + maxItems: 1 + + brcm,board-type: + $ref: /schemas/types.yaml#/definitions/string + description: Board type of the Bluetooth chip. This is used to decouple + the overall system board from the Bluetooth module and used to construct + firmware and calibration data filenames. + On Apple platforms, this should be the Apple module-instance codename + prefixed by "apple,", e.g. "apple,atlantisb". + pattern: '^apple,.*' + + brcm,taurus-cal-blob: + $ref: /schemas/types.yaml#/definitions/uint8-array + description: A per-device calibration blob for the Bluetooth radio. This + should be filled in by the bootloader from platform configuration + data, if necessary, and will be uploaded to the device. + This blob is used if the chip stepping of the Bluetooth module does not + support beamforming. + + brcm,taurus-bf-cal-blob: + $ref: /schemas/types.yaml#/definitions/uint8-array + description: A per-device calibration blob for the Bluetooth radio. This + should be filled in by the bootloader from platform configuration + data, if necessary, and will be uploaded to the device. + This blob is used if the chip stepping of the Bluetooth module supports + beamforming. + + local-bd-address: true + +required: + - compatible + - reg + - local-bd-address + - brcm,board-type + +additionalProperties: false + +examples: + - | + pcie@a0000000 { + #address-cells = <3>; + #size-cells = <2>; + reg = <0xa0000000 0x1000000>; + device_type = "pci"; + ranges = <0x43000000 0x6 0xa0000000 0xa0000000 0x0 0x20000000>; + + bluetooth@0,1 { + compatible = "pci14e4,5f69"; + reg = <0x100 0x0 0x0 0x0 0x0>; + brcm,board-type = "apple,honshu"; + /* To be filled by the bootloader */ + local-bd-address = [00 00 00 00 00 00]; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 9ae989b32ebb..74463bc5e1cb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1875,6 +1875,7 @@ F: Documentation/devicetree/bindings/interrupt-controller/apple,* F: Documentation/devicetree/bindings/iommu/apple,dart.yaml F: Documentation/devicetree/bindings/iommu/apple,sart.yaml F: Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml +F: Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml F: Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml F: Documentation/devicetree/bindings/nvmem/apple,efuses.yaml F: Documentation/devicetree/bindings/pci/apple,pcie.yaml