From patchwork Mon Nov 18 19:21:22 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: 1196909 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@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=netdev-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="YkiIf2B3"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47GzND0DZvz9sPn for ; Tue, 19 Nov 2019 06:21:48 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727007AbfKRTVn (ORCPT ); Mon, 18 Nov 2019 14:21:43 -0500 Received: from mail-pf1-f194.google.com ([209.85.210.194]:36545 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726962AbfKRTVn (ORCPT ); Mon, 18 Nov 2019 14:21:43 -0500 Received: by mail-pf1-f194.google.com with SMTP id b19so10858054pfd.3 for ; Mon, 18 Nov 2019 11:21:41 -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=7Vv2B0bFyN86x+8y9RduLalL/HEcvQ97xAs8bNkoqkM=; b=YkiIf2B3OQussUzFcXNFRTUsy45i9XgaSTRKEeUr6P68fOeMC7WfkpxokUULDn8o2Y 81WOgLDOTfUaFb6KqpTEMkvOWWLjm7RxsR9FyMH0oORnxLI0mbe0ud+HZYRMVNMlrq0a 3Stutl0NThC6s6axuW2y0b08o+LRLu/Jqkoic= 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=7Vv2B0bFyN86x+8y9RduLalL/HEcvQ97xAs8bNkoqkM=; b=em9wYyHTPWSLPqOn5w08daMm4giaBHNEcJ+lZQ2IoY2KPggAmo2ivzQD+S5oITdmiV X2cgyBiIZEH6kqscY8zmavklTYqg5SJEt/CnM5Hho5hcPN5bkFwrhUhaC8DwvSDt4sDj c1HVuRcBLPcbz6+qNOwxQv0dzpzEhUVRg/2SKmnTku7Mb4Vgb3kYJCUCPhFZg+8MjAVt 9SNo42Z7lvG/OalGSBkiclICqxLHjrXrJBJmBrg42jwBYFrrVXAVopuVLE25S5iEHkqb /dRdz7ZS3CfVY0Vr+7qGgLHdFHbzO3JOJKZSlSxTCGYYLKuzPlPb1s/Vyl0RAC/pKiUS 2afQ== X-Gm-Message-State: APjAAAVPn20137xYId/wN7iF/6FZwp+Macot6/6hdfw0eh4AXlPmJONx oVoSC/FWksHslcsklP5Kfg4N3g== X-Google-Smtp-Source: APXvYqyftvKH1fK0ACjlvyP+upMLpK/ORTLYCjxK+/XeKb32FV0IOsarIrAKdQQe9sSFMBw9Hv91cA== X-Received: by 2002:aa7:9533:: with SMTP id c19mr919367pfp.77.1574104901053; Mon, 18 Nov 2019 11:21:41 -0800 (PST) Received: from apsdesk.mtv.corp.google.com ([2620:15c:202:1:e09a:8d06:a338:aafb]) by smtp.gmail.com with ESMTPSA id p123sm22772633pfg.30.2019.11.18.11.21.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Nov 2019 11:21:39 -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 v6 3/4] dt-bindings: net: broadcom-bluetooth: Add pcm config Date: Mon, 18 Nov 2019 11:21:22 -0800 Message-Id: <20191118110335.v6.3.I18b06235e381accea1c73aa2f9db358645d9f201@changeid> X-Mailer: git-send-email 2.24.0.432.g9d3f5f5b63-goog In-Reply-To: <20191118192123.82430-1-abhishekpandit@chromium.org> References: <20191118192123.82430-1-abhishekpandit@chromium.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add documentation for pcm parameters. Signed-off-by: Abhishek Pandit-Subedi --- Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None .../bindings/net/broadcom-bluetooth.txt | 16 ++++++++++ include/dt-bindings/bluetooth/brcm.h | 32 +++++++++++++++++++ 2 files changed, 48 insertions(+) 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..8561e4684378 100644 --- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt @@ -29,10 +29,20 @@ 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 + - 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 +50,11 @@ 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 */