From patchwork Mon May 9 20:58:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 12844058 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 31B0DC433FE for ; Mon, 9 May 2022 20:59:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=zNh04+IqjaHRFS+LmBAVYjU2Qnp6rsd1aF/u2jxSWxQ=; b=ko5lIk9Z+9r2hc qxgDH2bNMU1hjwUDCkNQbcOO4z0WRTugCRMjAD3xdSaxJOcwoR3L/JaooiKj3IDzD0S4RsLbtcRGv RndqDGO8lU/SAt32cvPo64+RGIDDdy6o9hJx4ckKOIyGBbsz1GuDZv6SghZGM3Jg71ACVf6ecSRHb bNV7110Rfmo96UTvRiYEruAjKuIkbE3LYigCVNTCcjUtYD1tAu8+LuU67HBHG3bV+VDoq87XGkzoX UfEJb4W+BSV5EoiuBeHbLvAu96ktqM7+HGJORCp9BVl+XFxWDA5ShSiY6kLliUlAekfLwemVQ5PFM 7YRJEs0K/Ky/jdQ7bf4A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1noATE-00GFCX-0L; Mon, 09 May 2022 20:59:08 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1noAT2-00GF8A-KP; Mon, 09 May 2022 20:58:58 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id 564EA1F42F48 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652129932; bh=j+wdfrc3FXi43X0VkODadFay6bg9FKNBstYCTMpecA8=; h=From:To:Cc:Subject:Date:From; b=U74Ljn728Csp+ET2xThho9d1REqGnsswajm8GHfb67k2/RQZQWrjH38iHELrF44Nj xjNY6xlKH4B+68AQjDzJ4U9UXWZJZvRQXVg+CE577q+KjYL03FmMa/3TLtBWPFbaJc CZtRlFSbP4P6LvKc4+03hk9wBfEX4V83iyBOVw4o1AuuX92sETE6/YrYOK5HC+RLse usJnlXHQmatb4Tr1cmtTPqJ7rXIY3//R6J9m5ZXiAvwzZW6PwC2awkxQcnstozW5iT i1yFHZ/MGA/PZzO3rWICOJ8hBGFEU41lmBA6aSosZ+mnNFsx4iQ1oOlQOIjrv9EE/V Tc+X6cFr8gC1Q== From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Mark Brown Cc: kernel@collabora.com, AngeloGioacchino Del Regno , =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Jiaxin Yu , Krzysztof Kozlowski , Liam Girdwood , Matthias Brugger , Rob Herring , Shane Chien , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2] ASoC: dt-bindings: mediatek: mt8192: Add i2s-share properties Date: Mon, 9 May 2022 16:58:47 -0400 Message-Id: <20220509205847.607076-1-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220509_135856_923634_71C689EA X-CRM114-Status: GOOD ( 12.20 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org The Mediatek AFE PCM controller for MT8192 allows two I2S interfaces to share the same clock and act as a single interface with both input and output. Add patterns for these properties in the dt-binding. The property is split into two patterns in order to allow all valid interface pairings. Signed-off-by: Nícolas F. R. A. Prado --- The series from v1 of this patch was merged although some changes were still needed in this patch, so the v1 of this patch was reverted [1] and this standalone commit addresses the feedback from v1 and readds the property. [1] https://lore.kernel.org/all/20220509185625.580811-1-nfraprado@collabora.com v1: https://lore.kernel.org/all/20220429203039.2207848-2-nfraprado@collabora.com/ Changes in v2: - Added "mediatek," prefix to property - Rewrote and added more information to property description - Split into two patterns to validate that output-input pairings are done .../bindings/sound/mt8192-afe-pcm.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml index 7a25bc9b8060..2abf43c6c2c3 100644 --- a/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml +++ b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml @@ -54,6 +54,22 @@ properties: - const: aud_infra_clk - const: aud_infra_26m_clk +patternProperties: + "^mediatek,i2s[13579]-share$": + description: + Each I2S interface has a single data line, input if its index is even or + output if the index is odd. An input and an output I2S interface can be + used together as if they were a single I2S interface with both input and + output data lines by sharing the same clock. This property represents this + pairing. The value should be the name of the interface whose clock is + used, and the property name the other interface that depends on this + clock. + pattern: "^I2S[0268]$" + + "^mediatek,i2s[0268]-share$": + description: Same as above. + pattern: "^I2S[13579]$" + required: - compatible - interrupts