From patchwork Wed Mar 5 21:24:23 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Frattaroli X-Patchwork-Id: 14003402 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3503F1FF7CA; Wed, 5 Mar 2025 21:25:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741209943; cv=pass; b=GGMMtxNGTN8bmmhzkqPpqL6q4p7mWftgZMKdRlqX/w6d+EFfifk2ZlXgXB5bvZn2B9Mm6am1KAc94sJXCB4qpuTHDoSZ+i70sqaGXU4MtLCI3VQfhwTc2+Q7RE2ayNaSniXXOeMfaRrHDvuqLhb2LnpkQAS048v1q0WI0hVRD6U= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741209943; c=relaxed/simple; bh=+CGnZipSMcphGcFiC+ISP2d4LQMDK99/OJ+eHCXOb6g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kvBa39C2un2zc34rK2JPtOX/zlZ6k2qrqozMtai2ZnbszpvGOoF82MqMm378yVUEB+LeTmG72ekbEQXwRRBm8v9Z4E8vzFPRWX1sSVwVErT+r1RE0F9XXNeiwxt/NwKpdN2AFvoacb1cPTkk1by0rma+AhNqGzGvx7fCcoqyY98= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=HV9cBFsw; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="HV9cBFsw" ARC-Seal: i=1; a=rsa-sha256; t=1741209913; cv=none; d=zohomail.com; s=zohoarc; b=E8PM/x/VhWtwVwJtIUaf6T97P1i1ptg1XRIHZtsHQPYh9Xyfu8ejxx5i4MWWn5WR23UoNpfEcJWW6+GyhYf16EO5AukFqB7Vw1EN354WDouIy1KKoWnfIaAonBV3PhL1rPhZkELP9z6DnBi8LU8MODWSq/58tf8ZnlGMENxvtmE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741209913; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=j1d+wU9HbyuCcHJ1x5iw3HpFGebD1mUTzyLgQ69TKIs=; b=Xx4zBl2jfDpCHhVgutxuOvhfuChrYNUCirntHGmnkeAWpHqkK6xih+5OX9Xbaunfn5UhnREmJaGGovDRZZeWckH9Y2/dEOqVbCxn4EfI9nWmrpWPF/xwbyVWK56/6Qv2dCplzElwbjNrSKrMIj5G0PD9TRg+BeZRbhrXnPoTk6M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1741209913; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=j1d+wU9HbyuCcHJ1x5iw3HpFGebD1mUTzyLgQ69TKIs=; b=HV9cBFswLKdX7cfqw0vSV69RkYYtc+qgW4mgG7DHw/nV55NxjatoeZ/SnwUhq4wt Xqe6y5FvZ5FWy49Tm9cwVZRO33LcYTfw36nwS6o756FDBTdVHhlVPJk+QjUOTYwctmK 3V2ycnv6BKI3tOwgMCGRBWSt9Fn+cQH1g9uKOqgo= Received: by mx.zohomail.com with SMTPS id 1741209910870600.8165634885264; Wed, 5 Mar 2025 13:25:10 -0800 (PST) From: Nicolas Frattaroli Date: Wed, 05 Mar 2025 22:24:23 +0100 Subject: [PATCH 3/7] ASoC: dt-bindings: add schema for rockchip SAI controllers Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250305-rk3576-sai-v1-3-64e6cf863e9a@collabora.com> References: <20250305-rk3576-sai-v1-0-64e6cf863e9a@collabora.com> In-Reply-To: <20250305-rk3576-sai-v1-0-64e6cf863e9a@collabora.com> To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Philipp Zabel , Catalin Marinas , Will Deacon , Sugar Zhang Cc: Luca Ceresoli , Sebastian Reichel , kernel@collabora.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, Nicolas Frattaroli X-Mailer: b4 0.14.2 Rockchip introduced a new audio controller called the "Serial Audio Interface", or "SAI" for short, on some of their newer SoCs. In particular, this controller is used several times on the RK3576 SoC. Add a schema for it, with only an RK3576 compatible for now. Other SoCs may follow as mainline support for them lands. Signed-off-by: Nicolas Frattaroli --- .../devicetree/bindings/sound/rockchip,sai.yaml | 151 +++++++++++++++++++++ MAINTAINERS | 6 + 2 files changed, 157 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,sai.yaml b/Documentation/devicetree/bindings/sound/rockchip,sai.yaml new file mode 100644 index 0000000000000000000000000000000000000000..8f5a292a7f2a6c737d983d00cbe40ec45bfa6249 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,sai.yaml @@ -0,0 +1,151 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/rockchip,sai.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip Serial Audio Interface Controller + +description: + The Rockchip Serial Audio Interface (SAI) controller is a flexible audio + controller that implements the I2S, I2S/TDM and the PDM standards. + +maintainers: + - Nicolas Frattaroli + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: rockchip,rk3576-sai + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + dmas: + minItems: 1 + maxItems: 2 + + dma-names: + minItems: 1 + maxItems: 2 + oneOf: + - const: tx + - const: rx + - items: + - const: tx + - const: rx + + clocks: + items: + - description: master audio clock + - description: AHB clock driving the interface + + clock-names: + items: + - const: mclk + - const: hclk + + resets: + minItems: 1 + maxItems: 2 + description: resets for the mclk domain and ahb domain + + reset-names: + minItems: 1 + items: + - const: m + - const: h + + port: + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + + power-domains: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + rockchip,sai-rx-route: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Defines the mapping of the controller's SDI ports to actual input lanes, + as well as the number of input lanes. + rockchip,sai-rx-route = <3> would mean sdi3 is receiving from data0, and + that there is only one receiving lane. + This property's absence is to be understood as only one receiving lane + being used if the controller has capture capabilities. + maxItems: 4 + items: + enum: [0, 1, 2, 3] + + rockchip,sai-tx-route: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Defines the mapping of the controller's SDO ports to actual output lanes, + as well as the number of output lanes. + rockchip,sai-tx-route = <3> would mean sdo3 is sending to data0, and + that there is only one transmitting lane. + This property's absence is to be understood as only one transmitting lane + being used if the controller has playback capabilities. + maxItems: 4 + items: + enum: [0, 1, 2, 3] + + rockchip,always-on: + type: boolean + description: + The hardware requires this controller to remain turned on. + + +required: + - compatible + - reg + - dmas + - dma-names + - clocks + - clock-names + - "#sound-dai-cells" + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + #include + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + sai1: sai@2a610000 { + compatible = "rockchip,rk3576-sai"; + reg = <0x0 0x2a610000 0x0 0x1000>; + interrupts = ; + clocks = <&cru MCLK_SAI1_8CH>, <&cru HCLK_SAI1_8CH>; + clock-names = "mclk", "hclk"; + dmas = <&dmac0 2>, <&dmac0 3>; + dma-names = "tx", "rx"; + power-domains = <&power RK3576_PD_AUDIO>; + resets = <&cru SRST_M_SAI1_8CH>, <&cru SRST_H_SAI1_8CH>; + reset-names = "m", "h"; + pinctrl-names = "default"; + pinctrl-0 = <&sai1m0_lrck + &sai1m0_sclk + &sai1m0_sdi0 + &sai1m0_sdo0 + &sai1m0_sdo1 + &sai1m0_sdo2 + &sai1m0_sdo3>; + rockchip,sai-tx-route = <3 1 2 0>; + #sound-dai-cells = <0>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 4e9e0e52f92e3c649835ddfb65b2fde0a486198b..a68bf5391df6d3785f376c68ae61669d310cfb17 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20661,6 +20661,12 @@ F: Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml F: sound/soc/codecs/rk3308_codec.c F: sound/soc/codecs/rk3308_codec.h +ROCKCHIP SAI DRIVER +M: Nicolas Frattaroli +L: linux-rockchip@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/sound/rockchip,sai.yaml + ROCKCHIP VIDEO DECODER DRIVER M: Ezequiel Garcia L: linux-media@vger.kernel.org