From patchwork Fri Nov 15 02:10:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhishek Pandit-Subedi X-Patchwork-Id: 1195272 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="lVcIlp0P"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47Dhf10Kc0z9s7T for ; Fri, 15 Nov 2019 13:10:49 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726969AbfKOCKp (ORCPT ); Thu, 14 Nov 2019 21:10:45 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:33135 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726986AbfKOCKY (ORCPT ); Thu, 14 Nov 2019 21:10:24 -0500 Received: by mail-pf1-f195.google.com with SMTP id c184so5581657pfb.0 for ; Thu, 14 Nov 2019 18:10:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gbXUAxZNsHxVmSYyY01pbTkMGbOktpFu/n8zvHDTyVA=; b=lVcIlp0POHYabb/W5WB+ryqB8lkVzSTkyHapt2hqxlbn46uP/NpFjKNOSAaRAN2jEt wH1i9GRfQ63kBOvgRYI68VAoZ9/lUc5bG/StOVC1vJy5X0gPMt/H4l+svBEW6fsYTm46 RzXsMn+IwpH97rJawM8Hh6SiC1Q0ZXV8n8XHA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gbXUAxZNsHxVmSYyY01pbTkMGbOktpFu/n8zvHDTyVA=; b=VFctulhvxu/FZ3RygfJIsXvSb4DV9KY76sYS/6kSe1qi7ceV1FattCLe0zbIXD1Hbk O+6+XXbMTAmjpOrgyST9SHeAr23ZGbO2U/0XewN0Fk+yf+y1FNA7crvsDE814yjf41ZZ hyB2CapjHQNR8lEYkzI6IJqk7eZTvFGip3eB3meCdnxh1djmiHE4BQunoQ3BNZtOIsJt CT04hsjoBoxRAFe3B3LXg2VuRo34fMjbXWTRL2b8eqKSjkGOBTkgf4Y5I/bcfwkk3Og7 sFbHnzRCuGg7ezAxKXIq/O+1I73+q2GwzCN6GqvDEKH49yCGSo86o8Jx+0BE4Nqry2Ao akaQ== X-Gm-Message-State: APjAAAWyIMPziHiUpF+JRE2NVujPdQY9Hz0pW0aCJrFuz0aG1vrC+nl/ i7Uxsn5+TcYmVpOz07Gyv77UtQ== X-Google-Smtp-Source: APXvYqyIGqCqz0EaE6ktIQDtRhSuMQ7ZMOSt0Ag3ir2QQqAVf0ErJpPOFGOoxIGyFZ85KOEgijIs6Q== X-Received: by 2002:a65:67c7:: with SMTP id b7mr13410291pgs.339.1573783823987; Thu, 14 Nov 2019 18:10:23 -0800 (PST) Received: from apsdesk.mtv.corp.google.com ([2620:15c:202:1:e09a:8d06:a338:aafb]) by smtp.gmail.com with ESMTPSA id f7sm9695820pfa.150.2019.11.14.18.10.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Nov 2019 18:10:23 -0800 (PST) From: Abhishek Pandit-Subedi To: Marcel Holtmann , Johan Hedberg , Rob Herring Cc: linux-bluetooth@vger.kernel.org, dianders@chromium.org, Abhishek Pandit-Subedi , devicetree@vger.kernel.org, "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Ondrej Jirman , Mark Rutland , Chen-Yu Tsai Subject: [PATCH v5 3/4] dt-bindings: net: broadcom-bluetooth: Add pcm config Date: Thu, 14 Nov 2019 18:10:07 -0800 Message-Id: <20191114180959.v5.3.I18b06235e381accea1c73aa2f9db358645d9f201@changeid> X-Mailer: git-send-email 2.24.0.432.g9d3f5f5b63-goog In-Reply-To: <20191115021008.32926-1-abhishekpandit@chromium.org> References: <20191115021008.32926-1-abhishekpandit@chromium.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add documentation for pcm parameters. Signed-off-by: Abhishek Pandit-Subedi --- Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None .../bindings/net/broadcom-bluetooth.txt | 20 +++++++++++- include/dt-bindings/bluetooth/brcm.h | 32 +++++++++++++++++++ 2 files changed, 51 insertions(+), 1 deletion(-) create mode 100644 include/dt-bindings/bluetooth/brcm.h diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt index c749dc297624..a92da31daa79 100644 --- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt @@ -29,10 +29,22 @@ Optional properties: - "lpo": external low power 32.768 kHz clock - vbat-supply: phandle to regulator supply for VBAT - vddio-supply: phandle to regulator supply for VDDIO - + - brcm,bt-sco-routing: PCM, Transport, Codec, I2S + This value must be set in order for the latter + properties to take effect. + - brcm,bt-pcm-interface-rate: 128KBps, 256KBps, 512KBps, 1024KBps, 2048KBps + - brcm,bt-pcm-frame-type: short, long + - brcm,bt-pcm-sync-mode: slave, master + - brcm,bt-pcm-clock-mode: slave, master + +See include/dt-bindings/bluetooth/brcm.h for SCO/PCM parameters. The default +value for all these values are 0 (except for brcm,bt-sco-routing which requires +a value) if you choose to leave it out. Example: +#include + &uart2 { pinctrl-names = "default"; pinctrl-0 = <&uart2_pins>; @@ -40,5 +52,11 @@ Example: bluetooth { compatible = "brcm,bcm43438-bt"; max-speed = <921600>; + + brcm,bt-sco-routing = ; + brcm,bt-pcm-interface-rate = ; + brcm,bt-pcm-frame-type = ; + brcm,bt-pcm-sync-mode = ; + brcm,bt-pcm-clock-mode = ; }; }; diff --git a/include/dt-bindings/bluetooth/brcm.h b/include/dt-bindings/bluetooth/brcm.h new file mode 100644 index 000000000000..8b86f90d7dd2 --- /dev/null +++ b/include/dt-bindings/bluetooth/brcm.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * This header provides constants for Broadcom bluetooth dt-bindings. + */ +#ifndef _DT_BINDINGS_BLUETOOTH_BRCM_H +#define _DT_BINDINGS_BLUETOOTH_BRCM_H + +#define BRCM_BT_SCO_ROUTING_PCM 0 +#define BRCM_BT_SCO_ROUTING_TRANSPORT 1 +#define BRCM_BT_SCO_ROUTING_CODEC 2 +#define BRCM_BT_SCO_ROUTING_I2S 3 + +/* Default is 128KBPs */ +#define BRCM_BT_PCM_INTERFACE_RATE_128KBPS 0 +#define BRCM_BT_PCM_INTERFACE_RATE_256KBPS 1 +#define BRCM_BT_PCM_INTERFACE_RATE_512KBPS 2 +#define BRCM_BT_PCM_INTERFACE_RATE_1024KBPS 3 +#define BRCM_BT_PCM_INTERFACE_RATE_2048KBPS 4 + +/* Default should be short */ +#define BRCM_BT_PCM_FRAME_TYPE_SHORT 0 +#define BRCM_BT_PCM_FRAME_TYPE_LONG 1 + +/* Default should be master */ +#define BRCM_BT_PCM_SYNC_MODE_SLAVE 0 +#define BRCM_BT_PCM_SYNC_MODE_MASTER 1 + +/* Default should be master */ +#define BRCM_BT_PCM_CLOCK_MODE_SLAVE 0 +#define BRCM_BT_PCM_CLOCK_MODE_MASTER 1 + +#endif /* _DT_BINDINGS_BLUETOOTH_BRCM_H */