From patchwork Tue Mar 31 03:16:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Branden X-Patchwork-Id: 456456 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 405D41400B6 for ; Tue, 31 Mar 2015 14:17:00 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754557AbbCaDQe (ORCPT ); Mon, 30 Mar 2015 23:16:34 -0400 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:10986 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754111AbbCaDQa (ORCPT ); Mon, 30 Mar 2015 23:16:30 -0400 X-IronPort-AV: E=Sophos;i="5.11,498,1422950400"; d="scan'208";a="60793888" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 30 Mar 2015 20:20:13 -0700 Received: from IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Mon, 30 Mar 2015 20:16:29 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) with Microsoft SMTP Server id 14.3.174.1; Mon, 30 Mar 2015 20:16:28 -0700 Received: from mail.broadcom.com (unknown [10.136.13.65]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id BBA0240FE6; Mon, 30 Mar 2015 20:15:05 -0700 (PDT) From: Scott Branden To: Rob Herring , Pawel Moll , "Mark Rutland" , Ian Campbell , Kumar Gala , "Liam Girdwood" , Mark Brown , "Jaroslav Kysela" , Takashi Iwai , CC: , , , , , Dmitry Torokhov , Anatol Pomazao , , , , , Lori Hikichi , Scott Branden Subject: [PATCH 1/2] ASoC: cygnus-audio: adding device tree bindings Date: Mon, 30 Mar 2015 20:16:23 -0700 Message-ID: <1427771784-29950-2-git-send-email-sbranden@broadcom.com> X-Mailer: git-send-email 2.3.3 In-Reply-To: <1427771784-29950-1-git-send-email-sbranden@broadcom.com> References: <1427771784-29950-1-git-send-email-sbranden@broadcom.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Lori Hikichi Add device tree binding documentation for the Cygnus SOC audio block Reviewed-by: Jonathan Richardson Reviewed-by: Ray Jui Signed-off-by: Scott Branden Signed-off-by: Lori Hikichi --- .../bindings/sound/brcm,cygnus-audio.txt | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt diff --git a/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt new file mode 100644 index 0000000..5358cc3 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt @@ -0,0 +1,68 @@ +BROADCOM Cygnus Audio I2S/TDM/SPDIF controller + +Required properties: + - compatible : "brcm,cygnus-audio" + - #address-cells: 32bit valued, 1 cell. <1> + - #size-cells: 32bit valued, 1 cell. <1> + - reg : Should contain audio registers location and length + - interrupts: audio DMA interrupt number + +SSP Subnode properties: +- dai-name: The name of the DAI registered with ASOC +- ssp-port-id: The ssp port interface to use + Valid value are 0, 1, 2, or 3 (for spdif) +- mode: Controls if this port should be configured as I2S or TDM mode. + Valid values are: "tdm" or "i2s" +- tdm-bits-per-frame: only if mode is "tdm" then this property must set. + Valid values are (128/256/512) +- port-status: Controls if port is enabled or not + Valid values "enabled" or "disabled" +- channel-group: Control grouping of serial port + Valid values are "2_0", "3_1", or "5_1" + +Example: + cygnus_audio: audio@0x180ae000 { + compatible = "brcm,cygnus-audio"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x180ae000 0x1000>; + + interrupts = ; + + ssp0: ssp_port@0 { + dai-name = "cygnus-ssp0"; + ssp-port-id = <0>; + + mode = "i2s"; /* "i2s" or "tdm" */ + channel-group = "2_0"; /* Use 2_0, 3_1, 5_1 */ + port-status = "enabled"; + }; + + ssp1: ssp_port@1 { + dai-name = "cygnus-ssp1"; + ssp-port-id = <1>; + + mode = "i2s"; /* "i2s" or "tdm" */ + channel-group = "2_0"; /* Use 2_0, 3_1, 5_1 */ + port-status = "disabled"; + }; + + ssp2: ssp_port@2 { + dai-name = "cygnus-ssp2"; + ssp-port-id = <2>; + + mode = "tdm"; /* "i2s" or "tdm" */ + tdm-bits-per-frame = <256>; + channel-group = "2_0"; /* Use 2_0, 3_1, 5_1 */ + port-status = "disabled"; + }; + + spdif: spdif_port@3 { + dai-name = "cygnus-spdif"; + ssp-port-id = <3>; + + mode = "i2s"; /* "i2s" or "tdm" */ + channel-group = "2_0"; /* Use 2_0, 3_1, 5_1 */ + port-status = "disabled"; + }; + };