From patchwork Wed Sep 1 03:48:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sugar zhang X-Patchwork-Id: 505267 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A04A2C432BE for ; Wed, 1 Sep 2021 03:48:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 86B0761056 for ; Wed, 1 Sep 2021 03:48:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241826AbhIADtj (ORCPT ); Tue, 31 Aug 2021 23:49:39 -0400 Received: from lucky1.263xmail.com ([211.157.147.130]:55016 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241798AbhIADtj (ORCPT ); Tue, 31 Aug 2021 23:49:39 -0400 Received: from localhost (unknown [192.168.167.172]) by lucky1.263xmail.com (Postfix) with ESMTP id B12D4D77B3; Wed, 1 Sep 2021 11:48:41 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P6276T140522026899200S1630468119931360_; Wed, 01 Sep 2021 11:48:41 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <941d6d570ca420c51fd9345ab51958ea> X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER: zxg@rock-chips.com X-LOGIN-NAME: sugar.zhang@rock-chips.com X-FST-TO: broonie@kernel.org X-RCPT-COUNT: 6 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Sugar Zhang To: broonie@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Sugar Zhang Subject: [PATCH v3 6/7] ASoC: dt-bindings: rockchip: pdm: Document property 'rockchip, path-map' Date: Wed, 1 Sep 2021 11:48:37 +0800 Message-Id: <1630468118-7321-1-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1630468039-7186-1-git-send-email-sugar.zhang@rock-chips.com> References: <1630468039-7186-1-git-send-email-sugar.zhang@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This is an optional property to describe data path mapping. Signed-off-by: Sugar Zhang --- Changes in v3: None Changes in v2: None Documentation/devicetree/bindings/sound/rockchip,pdm.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt index 54d94438..b2d7e47 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt @@ -24,6 +24,22 @@ Required properties: pinctrl-names. See ../pinctrl/pinctrl-bindings.txt for details of the property values. +Optional properties: +- rockchip,path-map: This is a variable length array, that shows the mapping + of SDIx to PATHx. By default, they are one-to-one mapping as follows: + + path0 <-- sdi0 + path1 <-- sdi1 + path2 <-- sdi2 + path3 <-- sdi3 + + e.g. "rockchip,path-map = <3 2 1 0>" means the mapping as follows: + + path0 <-- sdi3 + path1 <-- sdi2 + path2 <-- sdi1 + path3 <-- sdi0 + Example for rk3328 PDM controller: pdm: pdm@ff040000 {