From patchwork Tue Mar 5 14:36:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 778063 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 4E557C54798 for ; Tue, 5 Mar 2024 14:38:22 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id A89F583B; Tue, 5 Mar 2024 15:38:09 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A89F583B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1709649499; bh=J20fXOTpszLtviNzeEJ9oEnzRf/ob4n4tAtstEQ4FJY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=ZUCWPCLHFxZ97BHkV+DVUh+QrqyXWcVLWjpXurm4kqyJy343ZwhxO8J6BjZi8TJYN U+Vrpp+WDU9IGM410sFg9MX752yDYTKp3jSCZxBCedrmwqt9cpW08qG+qgV/alX/EW +ZE4zXyVz8m+LoxNFgPPkUkhWCikvw3XxKU4ipw4= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 0AD16F805F5; Tue, 5 Mar 2024 15:37:18 +0100 (CET) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 44EB1F805F2; Tue, 5 Mar 2024 15:37:18 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D73FCF80563; Tue, 5 Mar 2024 15:37:10 +0100 (CET) Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 56D53F801F5 for ; Tue, 5 Mar 2024 15:36:59 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 56D53F801F5 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=oWOAIPcO Received: by mail.gandi.net (Postfix) with ESMTPSA id 0E303C0002; Tue, 5 Mar 2024 14:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1709649418; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EFhKF2Oicstp405eHgJkca8Gx/B/aHaMRaQs7xsjBzE=; b=oWOAIPcOPlZK6jujVv8L/xsMG9f4RfiFp2d3vsTgbkyk8Amw1Wo0FDH8ErW3BIKDfUEDKH 2Kn2pt3e3oW7mnP5npJrGkRVXT7aF1Pcktcv9XsU6pPXqbQiTE1xX1UBtFhih6yipnFnin ckMNZxAhHDx7RUoOGWH5amEeMrEXiOaFU7ke7lFVGu8So87PueLerLigLrfrE/ZKD55no3 MvyPAhTlRspEIt8xihlBdTUz/aiX6PvBr9Dk24nZCoL8QJqFvpfXYMjMjs1SvpTyRYj4T4 jMw3X3Zm54wO8Xjl+IJjaWLa4CCL1/Kz4kkqOw24tTAhDTbbs0VBb3jCt2nkew== From: Luca Ceresoli Date: Tue, 05 Mar 2024 15:36:29 +0100 Subject: [PATCH v4 2/7] ASoC: dt-bindings: Add Rockchip RK3308 internal audio codec MIME-Version: 1.0 Message-Id: <20240305-rk3308-audio-codec-v4-2-312acdbe628f@bootlin.com> References: <20240305-rk3308-audio-codec-v4-0-312acdbe628f@bootlin.com> In-Reply-To: <20240305-rk3308-audio-codec-v4-0-312acdbe628f@bootlin.com> To: Nicolas Frattaroli , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel Cc: Thomas Petazzoni , linux-rockchip@lists.infradead.org, linux-sound@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Luca Ceresoli , Rob Herring X-Mailer: b4 0.13.0 X-GND-Sasl: luca.ceresoli@bootlin.com Message-ID-Hash: 2HXAEBTZSZRCUYRGU5NKLVR2JQ4W6O7G X-Message-ID-Hash: 2HXAEBTZSZRCUYRGU5NKLVR2JQ4W6O7G X-MailFrom: luca.ceresoli@bootlin.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add device tree bindings document for the internal audio codec of the Rockchip RK3308 SoC. Reviewed-by: Rob Herring Signed-off-by: Luca Ceresoli --- Changes in v4: nothing Changed in v3: - fix underscore in DT label Changed in v2: - reword commit title - add maxItems to resets - remove quotes from reset-names - use percent values for rockchip,micbias-avdd-multiplier - use name compliant to the docs in the example --- .../bindings/sound/rockchip,rk3308-codec.yaml | 98 ++++++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 103 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml b/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml new file mode 100644 index 000000000000..ecf3d7d968c8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/rockchip,rk3308-codec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip RK3308 Internal Codec + +description: | + This is the audio codec embedded in the Rockchip RK3308 + SoC. It has 8 24-bit ADCs and 2 24-bit DACs. The maximum supported + sampling rate is 192 kHz. + + It is connected internally to one out of a selection of the internal I2S + controllers. + + The RK3308 audio codec has 8 independent capture channels, but some + features work on stereo pairs called groups: + * grp 0 -- MIC1 / MIC2 + * grp 1 -- MIC3 / MIC4 + * grp 2 -- MIC5 / MIC6 + * grp 3 -- MIC7 / MIC8 + +maintainers: + - Luca Ceresoli + +properties: + compatible: + const: rockchip,rk3308-codec + + reg: + maxItems: 1 + + rockchip,grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the General Register Files (GRF) + + clocks: + items: + - description: clock for TX + - description: clock for RX + - description: AHB clock driving the interface + + clock-names: + items: + - const: mclk_tx + - const: mclk_rx + - const: hclk + + resets: + maxItems: 1 + + reset-names: + items: + - const: codec + + "#sound-dai-cells": + const: 0 + + rockchip,micbias-avdd-percent: + description: | + Voltage setting for the MICBIAS pins expressed as a percentage of + AVDD. + + E.g. if rockchip,micbias-avdd-percent = 85 and AVDD = 3v3, then the + MIC BIAS voltage will be 3.3 V * 85% = 2.805 V. + + enum: [ 50, 55, 60, 65, 70, 75, 80, 85 ] + +required: + - compatible + - reg + - rockchip,grf + - clocks + - resets + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + #include + + audio_codec: audio-codec@ff560000 { + compatible = "rockchip,rk3308-codec"; + reg = <0xff560000 0x10000>; + rockchip,grf = <&grf>; + clock-names = "mclk_tx", "mclk_rx", "hclk"; + clocks = <&cru SCLK_I2S2_8CH_TX_OUT>, + <&cru SCLK_I2S2_8CH_RX_OUT>, + <&cru PCLK_ACODEC>; + reset-names = "codec"; + resets = <&cru SRST_ACODEC_P>; + #sound-dai-cells = <0>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 4f298c4187fb..9c5ef9219086 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18940,6 +18940,11 @@ S: Maintained F: Documentation/devicetree/bindings/media/rockchip-rga.yaml F: drivers/media/platform/rockchip/rga/ +ROCKCHIP RK3308 INTERNAL AUDIO CODEC +M: Luca Ceresoli +S: Maintained +F: Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml + ROCKCHIP VIDEO DECODER DRIVER M: Ezequiel Garcia L: linux-media@vger.kernel.org