From patchwork Mon Dec 8 22:01:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kenneth Westfield X-Patchwork-Id: 5458941 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DF0469F30B for ; Mon, 8 Dec 2014 22:02:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 17B0C20172 for ; Mon, 8 Dec 2014 22:01:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3139B201B9 for ; Mon, 8 Dec 2014 22:01:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751119AbaLHWBr (ORCPT ); Mon, 8 Dec 2014 17:01:47 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:42905 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754569AbaLHWBq (ORCPT ); Mon, 8 Dec 2014 17:01:46 -0500 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 5597D14061B; Mon, 8 Dec 2014 22:01:46 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 447B014061D; Mon, 8 Dec 2014 22:01:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: kwestfie@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 79B9214061B; Mon, 8 Dec 2014 22:01:45 +0000 (UTC) From: Kenneth Westfield To: Mark Brown , Takashi Iwai , Liam Girdwood , David Brown , Bryan Huntsman , Rob Herring , Greg KH , Patrick Lai , Banajit Goswami Cc: ALSA Mailing List , Device Tree Mailing List , MSM Mailing List , Kenneth Westfield Subject: [Patch v2 02/11] ASoC: qcom: Add device tree binding docs Date: Mon, 8 Dec 2014 14:01:04 -0800 Message-Id: <1418076073-12623-3-git-send-email-kwestfie@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1418076073-12623-1-git-send-email-kwestfie@codeaurora.org> References: <1418076073-12623-1-git-send-email-kwestfie@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kenneth Westfield Add documentation to the sound directory of the device-tree bindings for IPQ806x audio drivers. Signed-off-by: Kenneth Westfield Acked-by: Banajit Goswami --- .../bindings/sound/qcom,ipq806x-snd-card.txt | 25 +++++++++++++++++ .../bindings/sound/qcom,lpass-cpu-dai.txt | 32 ++++++++++++++++++++++ .../bindings/sound/qcom,lpass-pcm-mi2s.txt | 12 ++++++++ .../bindings/sound/qcom,max98357a-codec.txt | 23 ++++++++++++++++ 4 files changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,ipq806x-snd-card.txt create mode 100644 Documentation/devicetree/bindings/sound/qcom,lpass-cpu-dai.txt create mode 100644 Documentation/devicetree/bindings/sound/qcom,lpass-pcm-mi2s.txt create mode 100644 Documentation/devicetree/bindings/sound/qcom,max98357a-codec.txt diff --git a/Documentation/devicetree/bindings/sound/qcom,ipq806x-snd-card.txt b/Documentation/devicetree/bindings/sound/qcom,ipq806x-snd-card.txt new file mode 100644 index 0000000000000000000000000000000000000000..10178737b4bdc6108475f48726bdbf40b6b044b5 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,ipq806x-snd-card.txt @@ -0,0 +1,25 @@ +* Qualcomm Technologies IPQ806x SoundCard + +This node models the Qualcomm Technologies IPQ806x LPASS Audio SoundCard, +with a connection between the CPU MI2S DAI and the external DAC. + +Required properties: +- compatible : "qcom,ipq806x-snd-card" +- qcom,model : The user-visible name of this sound card + * +- platform : This is a phandle reference to platform device driver node (for the soundcard dai-link) +- cpu : This is a phandle reference to CPU DAI device driver node (for the soundcard dai-link) +- codec : This is a phandle reference to codec DAI device driver node (for the soundcard dai-link) +- codec-dai : This is a string that names the codec DAI device (for the soundcard dai-link) + * max98357a-codec-dai + +Example: + +sound { + compatible = "qcom,ipq806x-snd-card"; + model = "ipq806x-snd-card"; + platform = <&lpass_pcm_mi2s>; + cpu = <&lpass_cpu_mi2s>; + codec = <&max98357a_codec>; + codec-dai = "max98357a-codec-dai"; +}; diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu-dai.txt b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu-dai.txt new file mode 100644 index 0000000000000000000000000000000000000000..ee94af49f90aedb0889f1ddf043780a80e585f62 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu-dai.txt @@ -0,0 +1,32 @@ +* Qualcomm Technologies IPQ806x LPASS DAI + +This node models the Qualcomm Technologies IPQ806x LPASS MI2S DAI port. + +Required properties: +- compatible : "qcom,lpass-cpu-mi2s" +- reg : Address space for the LPASS audio interface registers +- reg-names : The name of the LPASS audio interface register address space + * lpass-lpaif-mem +- clocks : A list of clock specifiers for the audio interface + * AHBIX bus clock + * MI2S OSR clock + * MI2S Bit clock +- clock-names : A list of audio interface clock names + * ahbix_clk + * mi2s_osr_clk + * mi2s_bit_clk +- interrupts : Phandle to the LPASS audio interface interrupt +- interrupt-names : The name of the LPASS audio interface interrupt + * lpass-lpaif-irq + +Example: + +lpass-cpu-mi2s { + compatible = "qcom,lpass-cpu-dai"; + reg = <0x28100000 0x10000>; + reg-names = "lpass-lpaif-mem"; + clocks = <&lcc AHBIX_CLK>, <&lcc MI2S_OSR_CLK>, <&lcc MI2S_BIT_CLK>; + clock-names = "ahbix_clk", "mi2s_osr_clk", "mi2s_bit_clk"; + interrupts = <0 85 1>; + interrupt-names = "lpass-lpaif-irq"; +}; diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-pcm-mi2s.txt b/Documentation/devicetree/bindings/sound/qcom,lpass-pcm-mi2s.txt new file mode 100644 index 0000000000000000000000000000000000000000..09c04b7f37b51076860f1df10114e0a47b921404 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-pcm-mi2s.txt @@ -0,0 +1,12 @@ +* Qualcomm Technologies IPQ806x PCM audio interface + +This node models the Qualcomm Technologies IPQ806x PCM audio interface. + +Required properties: +- compatible : "qcom,lpass-pcm-mi2s" + +Example: + +lpass-pcm-mi2s { + compatible = "qcom,lpass-pcm-mi2s"; +}; diff --git a/Documentation/devicetree/bindings/sound/qcom,max98357a-codec.txt b/Documentation/devicetree/bindings/sound/qcom,max98357a-codec.txt new file mode 100644 index 0000000000000000000000000000000000000000..14bc14b1049f4138123db8fd17e8926545cbb218 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,max98357a-codec.txt @@ -0,0 +1,23 @@ +* Maxim MAX98357A DAC + +This node models the Maxim MAX98357A DAC as a codec DAI. +This is for audio on the Qualcomm IPQ806x SOC. + +Required properties: +- compatible : "qcom,max98357a-codec" +- dac-gpios : Phandle to the GPIO specifier for the GPIO -> DAC SDMODE pin +- pinctrl-names : A list of names indicating the state of the MI2S pins + * mi2s-disabled + * mi2s-enabled +- pinctrl-0 : The disabled state of the MI2S pins +- pinctrl-1 : The enabled state of the MI2S pins + +Example: + +max98357a-codec { + compatible = "qcom,max98357a-codec"; + dac-gpios = <&qcom_pinmux 25 0>; + pinctrl-names = "mi2s-disabled", "mi2s_enabled"; + pinctrl-0 = <&mi2s_disabled>; + pinctrl-1 = <&mi2s_enabled>; +};