From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753018AbeCPHIU (ORCPT ); Fri, 16 Mar 2018 03:08:20 -0400 Received: from mx.socionext.com ([202.248.49.38]:27541 "EHLO mx.socionext.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751561AbeCPHIS (ORCPT ); Fri, 16 Mar 2018 03:08:18 -0400 From: Katsuhiro Suzuki To: Mark Brown , alsa-devel@alsa-project.org, Rob Herring Cc: Masami Hiramatsu , Jassi Brar , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Katsuhiro Suzuki Subject: [PATCH 1/2] ASoC: uniphier: add syscon property to binding document Date: Fri, 16 Mar 2018 16:08:12 +0900 Message-Id: <20180316070813.17969-2-suzuki.katsuhiro@socionext.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180316070813.17969-1-suzuki.katsuhiro@socionext.com> References: <20180316070813.17969-1-suzuki.katsuhiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds syscon property for specifying soc-glue core into DT binding documentation. Currently, soc-glue core is used for changing the state of S/PDIF signal output pin to signal output state or Hi-Z state. If you don't need to use features on soc-glue described above you can ommit this property. Signed-off-by: Katsuhiro Suzuki --- Documentation/devicetree/bindings/sound/uniphier,aio.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/uniphier,aio.txt b/Documentation/devicetree/bindings/sound/uniphier,aio.txt index 65d71cf6ef0f..4ce68ed6f2f2 100644 --- a/Documentation/devicetree/bindings/sound/uniphier,aio.txt +++ b/Documentation/devicetree/bindings/sound/uniphier,aio.txt @@ -22,6 +22,12 @@ Required properties: entry in reset-names. - #sound-dai-cells: should be 1. +Optional properties: +- socionext,syscon: a phandle, should contain soc-glue. + The soc-glue is used for changing mode of S/PDIF signal pin + to Output from Hi-Z. This property is optional if you use + I2S signal pins only. + Example: audio { compatible = "socionext,uniphier-ld20-aio"; @@ -34,4 +40,6 @@ Example: reset-names = "aio"; resets = <&sys_rst 40>; #sound-dai-cells = <1>; + + socionext,syscon = <&sg>; }; -- 2.16.2