From patchwork Mon Feb 26 13:05:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Fitzgerald X-Patchwork-Id: 877881 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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=none (p=none dis=none) header.from=opensource.cirrus.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zqhxR3zj7z9s1X for ; Tue, 27 Feb 2018 00:09:31 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752023AbeBZNHu (ORCPT ); Mon, 26 Feb 2018 08:07:50 -0500 Received: from mx0b-001ae601.pphosted.com ([67.231.152.168]:50496 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753174AbeBZNGT (ORCPT ); Mon, 26 Feb 2018 08:06:19 -0500 Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1QD45T2019002; Mon, 26 Feb 2018 07:06:16 -0600 Authentication-Results: ppops.net; spf=none smtp.mailfrom=rf@opensource.cirrus.com Received: from mail1.cirrus.com (mail1.cirrus.com [141.131.3.20]) by mx0b-001ae601.pphosted.com with ESMTP id 2gb5bq9y21-1; Mon, 26 Feb 2018 07:06:16 -0600 Received: from EX17.ad.cirrus.com (unknown [172.20.9.81]) by mail1.cirrus.com (Postfix) with ESMTP id 112E6611C8A9; Mon, 26 Feb 2018 07:06:16 -0600 (CST) Received: from imbe.wolfsonmicro.main (198.61.95.81) by EX17.ad.cirrus.com (172.20.9.81) with Microsoft SMTP Server id 14.3.301.0; Mon, 26 Feb 2018 13:06:15 +0000 Received: from edi-sw-dsktp006.ad.cirrus.com (edi-sw-dsktp006.ad.cirrus.com [198.90.251.121]) by imbe.wolfsonmicro.main (8.14.4/8.14.4) with ESMTP id w1QD5wJi016272; Mon, 26 Feb 2018 13:05:58 GMT From: Richard Fitzgerald To: , , , CC: , , , , "Richard Fitzgerald" Subject: [PATCH v8 2/9] mfd: madera: Add DT bindings for Cirrus Logic Madera codecs Date: Mon, 26 Feb 2018 13:05:51 +0000 Message-ID: <20180226130558.7634-3-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180226130558.7634-1-rf@opensource.cirrus.com> References: <20180226130558.7634-1-rf@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1802260174 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Specification of the bindings for the parent MFD driver component of the Cirrus Logic Madera codec drivers. Note that although the interrupt controller and GPIO are child drivers their required bindings are trivial, mandatory, and exist within the parent MFD node so are documented here. Signed-off-by: Richard Fitzgerald Acked-by: Rob Herring Acked-for-MFD-by: Lee Jones --- Documentation/devicetree/bindings/mfd/madera.txt | 102 +++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/madera.txt diff --git a/Documentation/devicetree/bindings/mfd/madera.txt b/Documentation/devicetree/bindings/mfd/madera.txt new file mode 100644 index 000000000000..db3266088386 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/madera.txt @@ -0,0 +1,102 @@ +Cirrus Logic Madera class audio codecs Multi-Functional Device + +These devices are audio SoCs with extensive digital capabilities and a range +of analogue I/O. + +See also the child driver bindings in: +bindings/pinctrl/cirrus,madera-pinctrl.txt +bindings/regulator/arizona-regulator.txt +bindings/sound/madera.txt + +Required properties: + + - compatible : One of the following chip-specific strings: + "cirrus,cs47l35" + "cirrus,cs47l85" + "cirrus,cs47l90" + "cirrus,cs47l91" + "cirrus,wm1840" + + - reg : I2C slave address when connected using I2C, chip select number when + using SPI. + + - DCVDD-supply : Power supply for the device as defined in + bindings/regulator/regulator.txt + Mandatory on CS47L35, CS47L90, CS47L91 + Optional on CS47L85, WM1840 + + - AVDD-supply, DBVDD1-supply, DBVDD2-supply, CPVDD1-supply, CPVDD2-supply : + Power supplies for the device + + - DBVDD3-supply, DBVDD4-supply : Power supplies for the device + (CS47L85, CS47L90, CS47L91, WM1840) + + - SPKVDDL-supply, SPKVDDR-supply : Power supplies for the device + (CS47L85, WM1840) + + - SPKVDD-supply : Power supply for the device + (CS47L35) + + - interrupt-controller : Indicates that this device is an interrupt controller + + - #interrupt-cells: the number of cells to describe an IRQ, must be 2. + The first cell is the IRQ number. + The second cell is the flags, encoded as the trigger masks from + bindings/interrupt-controller/interrupts.txt + + - gpio-controller : Indicates this device is a GPIO controller. + + - #gpio-cells : Must be 2. The first cell is the pin number. The second cell + is reserved for future use and must be zero + + - interrupt-parent : The parent interrupt controller. + + - interrupts : The interrupt line the /IRQ signal for the device is + connected to. + +Optional properties: + + - MICVDD-supply : Power supply, only need to be specified if + powered externally + + - reset-gpios : One entry specifying the GPIO controlling /RESET. + As defined in bindings/gpio.txt. + Although optional, it is strongly recommended to use a hardware reset + + - MICBIASx : Initial data for the MICBIAS regulators, as covered in + Documentation/devicetree/bindings/regulator/regulator.txt. + One for each MICBIAS generator (MICBIAS1, MICBIAS2, ...) + (all codecs) + + One for each output pin (MICBIAS1A, MIBCIAS1B, MICBIAS2A, ...) + (all except CS47L85, WM1840) + + The following following additional property is supported for the generator + nodes: + - cirrus,ext-cap : Set to 1 if the MICBIAS has external decoupling + capacitors attached. + +Optional child nodes: + micvdd : Node containing initialization data for the micvdd regulator + See bindings/regulator/arizona-regulator.txt + + ldo1 : Node containing initialization data for the LDO1 regulator + See bindings/regulator/arizona-regulator.txt + (cs47l85, wm1840) + +Example: + +cs47l85@0 { + compatible = "cirrus,cs47l85"; + reg = <0>; + + reset-gpios = <&gpio 0>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <&host_irq1>; + interrupt-parent = <&gic>; + + gpio-controller; + #gpio-cells = <2>; +};