From patchwork Wed Sep 7 14:21:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 603508 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E747C6FA86 for ; Wed, 7 Sep 2022 14:22:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230113AbiIGOWO (ORCPT ); Wed, 7 Sep 2022 10:22:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230108AbiIGOWO (ORCPT ); Wed, 7 Sep 2022 10:22:14 -0400 Received: from relay12.mail.gandi.net (relay12.mail.gandi.net [217.70.178.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5316832AB4; Wed, 7 Sep 2022 07:22:07 -0700 (PDT) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id F2C2920000F; Wed, 7 Sep 2022 14:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1662560526; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VgbxwdFt5PQppcOV7X5ar9OBFO85n+/rhDp625ejemw=; b=K3xa18hD5THvri4wHGXS1ynPnBzxFd5Zor2sm9QM6SMroLfr12HiVYVsbewqW89p0iqgV4 IlnnpUFS8seVJT3Mtv0E7rprRb3KqgTrVixWJN+fNMl6fibdHrWSEwwduzd3sEN9D7C5Kf 7R+Hh0+gkO0A4KbbemjizLE5quL2C8M20AJgKZJhM1WaQ1sNXjU+2lpBbooX5O5HfXNQAx q/o/FegSFyelVAKO3y8zlWkcJtcN+6eGCdGElS9d+wfZg76iBu4oazIuQ7Bww9Ry0x2qvA rIYgWb+yghfJ2U2bCudSsu/kIAyKbz6kVQr6rHL9gI+PC6OAaCk3UAm1q4QbRg== From: luca.ceresoli@bootlin.com To: alsa-devel@alsa-project.org, linux-rockchip@lists.infradead.org Cc: Luca Ceresoli , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Heiko Stuebner , Jaroslav Kysela , Takashi Iwai , Nicolas Frattaroli , Philipp Zabel , Johan Jonker , Chris Morgan Subject: [PATCH 2/8] ASoC: rockchip: rk3308: add audio card bindings Date: Wed, 7 Sep 2022 16:21:18 +0200 Message-Id: <20220907142124.2532620-3-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220907142124.2532620-1-luca.ceresoli@bootlin.com> References: <20220907142124.2532620-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Luca Ceresoli Add device tree bindings document for the audio card based on the internal I2S of the Rockchip RK3308 SoC. Signed-off-by: Luca Ceresoli --- .../rockchip,rk3308-audio-graph-card.yaml | 50 +++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml new file mode 100644 index 000000000000..8445a69dcdbb --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/rockchip,rk3308-audio-graph-card.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip RK3308 Audio card based on internal I2S + +maintainers: + - Luca Ceresoli + +allOf: + - $ref: /schemas/sound/audio-graph.yaml# + +properties: + compatible: + const: rockchip,rk3308-audio-graph-card + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + sound { + compatible = "rockchip,rk3308-audio-graph-card"; + dais = <&i2s_8ch_2_port>; + }; + + i2s_8ch_2 { + i2s_8ch_2_port: port { + i2s_8ch_2_endpoint: endpoint { + remote-endpoint = <&acodec_endpoint>; + dai-format = "i2s"; + + /* The RK3308 acodec has no clock dividers, use the CPU */ + bitclock-master = <&i2s_8ch_2_endpoint>; + frame-master = <&i2s_8ch_2_endpoint>; + }; + }; + }; + + acodec { + port { + acodec_endpoint: endpoint { + remote-endpoint = <&i2s_8ch_2_endpoint>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index d53a8e74cb1e..079bdd95dc49 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17594,6 +17594,11 @@ S: Maintained F: Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml F: include/dt-bindings/sound/rockchip,rk3308-codec.h +ROCKCHIP RK3308 SOUND CARD DRIVER +M: Luca Ceresoli +S: Maintained +F: Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml + ROCKCHIP VIDEO DECODER DRIVER M: Ezequiel Garcia L: linux-media@vger.kernel.org