From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752206AbeC3M6e (ORCPT ); Fri, 30 Mar 2018 08:58:34 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:57712 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751254AbeC3M6c (ORCPT ); Fri, 30 Mar 2018 08:58:32 -0400 From: Sebastian Reichel To: Sebastian Reichel , Lee Jones , Rob Herring Cc: Tony Lindgren , Pavel Machek , linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Sebastian Reichel Subject: [PATCHv6 1/2] dt-bindings: mfd: motorola-cpcap: document audio-codec Date: Fri, 30 Mar 2018 14:58:23 +0200 Message-Id: <20180330125824.21418-2-sebastian.reichel@collabora.co.uk> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180330125824.21418-1-sebastian.reichel@collabora.co.uk> References: <20180330125824.21418-1-sebastian.reichel@collabora.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds the DT binding for the audio-codec sub-module found inside the Motorola CPCAP PMIC. Acked-by: Mark Brown Acked-by: Tony Lindgren Reviewed-by: Rob Herring Acked-for-MFD-by: Lee Jones Signed-off-by: Sebastian Reichel --- .../devicetree/bindings/mfd/motorola-cpcap.txt | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt b/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt index 15bc885f9df4..c639705a98ef 100644 --- a/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt +++ b/Documentation/devicetree/bindings/mfd/motorola-cpcap.txt @@ -12,6 +12,30 @@ Required properties: - spi-max-frequency : Typically set to 3000000 - spi-cs-high : SPI chip select direction +Optional subnodes: + +The sub-functions of CPCAP get their own node with their own compatible values, +which are described in the following files: + +- ../power/supply/cpcap-battery.txt +- ../power/supply/cpcap-charger.txt +- ../regulator/cpcap-regulator.txt +- ../phy/phy-cpcap-usb.txt +- ../input/cpcap-pwrbutton.txt +- ../rtc/cpcap-rtc.txt +- ../leds/leds-cpcap.txt +- ../iio/adc/cpcap-adc.txt + +The only exception is the audio codec. Instead of a compatible value its +node must be named "audio-codec". + +Required properties for the audio-codec subnode: + +- #sound-dai-cells = <1>; + +The audio-codec provides two DAIs. The first one is connected to the +Stereo HiFi DAC and the second one is connected to the Voice DAC. + Example: &mcspi1 { @@ -26,6 +50,24 @@ Example: #size-cells = <0>; spi-max-frequency = <3000000>; spi-cs-high; + + audio-codec { + #sound-dai-cells = <1>; + + /* HiFi */ + port@0 { + endpoint { + remote-endpoint = <&cpu_dai1>; + }; + }; + + /* Voice */ + port@1 { + endpoint { + remote-endpoint = <&cpu_dai2>; + }; + }; + }; }; }; -- 2.16.2