From patchwork Fri Oct 1 17:15:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Frattaroli X-Patchwork-Id: 12531157 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C0E7C433EF for ; Fri, 1 Oct 2021 17:20:06 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DE51061A8E for ; Fri, 1 Oct 2021 17:20:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DE51061A8E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:References:In-Reply-To: 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: List-Owner; bh=P9cxDkN/wM84ppYsnuv+m8OlJYJAuMLQHPOFuUEwJfc=; b=zNCFqfFcxx60yz bDuVNYCWLCENMqmxZ6SKpuFuiF9JjZnYqOfxU4DlTMwjjLMNGBIVUR5lhvm11+fycIi5UvqGUD06p xZP15Abdinuy+vRwcG37lvvChfxKJLXyCP85oFQm8nUR2dq5CeNneQIFIUmBy606buU2pJKzZ0O0O eYwXQMcT2cIbTBuv953TU76uT9sA7Y+yaGc1NJlrIfAGjGtPF7DKU2e86lS4Zd+Qy0duK6xOGCHQd GzM8lL6goqPLUOm/qNyCGmzvQZIbFPrDMUY5Z1uHI8rg04aCPeW47kLB4OvXcC5SxCDBataXELfmD 2ewhsox3FL0dMRJYiHuw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mWM9y-000yJ9-7b; Fri, 01 Oct 2021 17:17:22 +0000 Received: from mail-ed1-x533.google.com ([2a00:1450:4864:20::533]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mWM9E-000xxk-Ql; Fri, 01 Oct 2021 17:16:38 +0000 Received: by mail-ed1-x533.google.com with SMTP id l7so13631883edq.3; Fri, 01 Oct 2021 10:16:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=F568Gn3J5GLDHKRAuOyoe7A7OPAzKT6uHqR/DpSNQ4w=; b=kq/5FsFYx6VtCFgXvP5Rqc8+/E6ofdSM3PEYJ3dQnlkd4/VV5EvGPIYQVRq1qXNrxw HId6bAqus0K8/+Hzaa7rP690o1U/YjZnMP1+/zFQ5Rrr2m+9pTuyrqKbHgqVXUz05Sxn qZSfL2g4GdHAWEJbGVbsJMHaouZJd5KOmj2nEsO4LiQIPXc/PHx6Ji5xeFW5K0fEsfOA CAEI62wVkKEUmgFD90Xt5wzPhKds7DLtRRHbRzksx9xtw+WakMH/EESC1hahO4PlCj64 aHuVnL0J+Ncn4Cjjr8MYBZwCD95UVMX5QhLLenuPY1oiCckiAZYjFme3LnzRdNNBQWTe uM/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=F568Gn3J5GLDHKRAuOyoe7A7OPAzKT6uHqR/DpSNQ4w=; b=E1wNSHrGn1YO3QJn0ebtqnXfZMiRX41udWcRQLCHVKAQr2YNuGqdws2CP//d+VqK5y NjkJXpBP2U54D776QE7oqTD5TOXNYpPR+2BlyDZHD+gnKWOeM7vspvDLrX4XWvGNZ+PF bVYBRAqJg5jPhRxNzE7wm/6TwEdyIlYbEjpJRiO3/Nbh9MdC+Ig4vI3rqEyejsNQR0qJ 1dSvOPLxG6BPis/vWSv+/YRfGx7g5Hmp3bIYYA1Q/9KzBeiTSp6eaVtpmPgIxkTIh7nb 2C3H+/cTSE/x5LJKxdDPXz8NFp3muBKgL27Pk4VuCh1PJnfDltP03ZF0j8i3wVEwuctz E3tg== X-Gm-Message-State: AOAM531oL/VogMStzNxjfqWASIw8pNjZZFgFEm24sIPao2U6X2Q10oTB pzBPHzSwEWCQjqeBTc5XuGOe4VQnGh8= X-Google-Smtp-Source: ABdhPJwBS9hL/4fjx72VPX/Of7FSh/dpoYePNRX3YUrWyFRjB0HzWh06rapb07sYwezJkTqHA3aC4w== X-Received: by 2002:a17:906:11d4:: with SMTP id o20mr2776229eja.15.1633108594927; Fri, 01 Oct 2021 10:16:34 -0700 (PDT) Received: from localhost.localdomain (84-72-105-84.dclient.hispeed.ch. [84.72.105.84]) by smtp.gmail.com with ESMTPSA id h10sm3588130edf.85.2021.10.01.10.16.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Oct 2021 10:16:34 -0700 (PDT) From: Nicolas Frattaroli To: Nicolas Frattaroli , Liam Girdwood , Mark Brown , Rob Herring , Heiko Stuebner Cc: Rob Herring , linux-rockchip@lists.infradead.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 2/4] ASoC: dt-bindings: rockchip: add i2s-tdm bindings Date: Fri, 1 Oct 2021 19:15:29 +0200 Message-Id: <20211001171531.178775-3-frattaroli.nicolas@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211001171531.178775-1-frattaroli.nicolas@gmail.com> References: <20211001171531.178775-1-frattaroli.nicolas@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211001_101636_913639_53590171 X-CRM114-Status: GOOD ( 19.04 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This adds the YAML bindings for the Rockchip I2S/TDM audio driver. Signed-off-by: Nicolas Frattaroli Reviewed-by: Rob Herring --- .../bindings/sound/rockchip,i2s-tdm.yaml | 198 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 199 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.yaml diff --git a/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.yaml b/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.yaml new file mode 100644 index 000000000000..dce8b4136ec6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.yaml @@ -0,0 +1,198 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/rockchip,i2s-tdm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip I2S/TDM Controller + +description: + The Rockchip I2S/TDM Controller is a Time Division Multiplexed + audio interface found in various Rockchip SoCs, allowing up + to 8 channels of audio over a serial interface. + +maintainers: + - Nicolas Frattaroli + +properties: + compatible: + enum: + - rockchip,px30-i2s-tdm + - rockchip,rk1808-i2s-tdm + - rockchip,rk3308-i2s-tdm + - rockchip,rk3568-i2s-tdm + - rockchip,rv1126-i2s-tdm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + dmas: + minItems: 1 + maxItems: 2 + + dma-names: + minItems: 1 + maxItems: 2 + items: + enum: + - rx + - tx + + clocks: + minItems: 3 + items: + - description: clock for TX + - description: clock for RX + - description: AHB clock driving the interface + - description: + Parent clock for mclk_tx (only required when using mclk-calibrate) + - description: + Parent clock for mclk_rx (only required when using mclk-calibrate) + - description: + Clock for sample rates that are an integer multiple of 8000 + (only required when using mclk-calibrate) + - description: + Clock for sample rates that are an integer multiple of 11025 + (only required when using mclk-calibrate) + + clock-names: + minItems: 3 + items: + - const: mclk_tx + - const: mclk_rx + - const: hclk + - const: mclk_tx_src + - const: mclk_rx_src + - const: mclk_root0 + - const: mclk_root1 + + resets: + minItems: 1 + maxItems: 2 + description: resets for the tx and rx directions + + reset-names: + minItems: 1 + maxItems: 2 + items: + enum: + - tx-m + - rx-m + + rockchip,cru: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phandle of the cru. + Required if neither trcm-sync-tx-only nor trcm-sync-rx-only are specified. + + rockchip,grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phandle of the syscon node for the GRF register. + + rockchip,trcm-sync-tx-only: + type: boolean + description: Use TX BCLK/LRCK for both TX and RX. + + rockchip,trcm-sync-rx-only: + type: boolean + description: Use RX BCLK/LRCK for both TX and RX. + + "#sound-dai-cells": + const: 0 + + rockchip,i2s-rx-route: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Defines the mapping of I2S RX sdis to I2S data bus lines. + By default, they are mapped one-to-one. + rockchip,i2s-rx-route = <3> would mean sdi3 is receiving from data0. + maxItems: 4 + items: + - enum: [0, 1, 2, 3] + + rockchip,i2s-tx-route: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Defines the mapping of I2S TX sdos to I2S data bus lines. + By default, they are mapped one-to-one. + rockchip,i2s-tx-route = <3> would mean sdo3 is sending to data0. + maxItems: 4 + items: + - enum: [0, 1, 2, 3] + + rockchip,io-multiplex: + description: + Specify that the GPIO lines on the I2S bus are multiplexed such that + the direction (input/output) needs to be dynamically adjusted. + type: boolean + + +required: + - compatible + - reg + - interrupts + - dmas + - dma-names + - clocks + - clock-names + - resets + - reset-names + - rockchip,grf + - "#sound-dai-cells" + +allOf: + - if: + properties: + rockchip,trcm-sync-tx-only: false + rockchip,trcm-sync-rx-only: false + then: + required: + - rockchip,cru + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + i2s@fe410000 { + compatible = "rockchip,rk3568-i2s-tdm"; + reg = <0x0 0xfe410000 0x0 0x1000>; + interrupts = ; + clocks = <&cru MCLK_I2S1_8CH_TX>, <&cru MCLK_I2S1_8CH_RX>, + <&cru HCLK_I2S1_8CH>; + clock-names = "mclk_tx", "mclk_rx", "hclk"; + dmas = <&dmac1 3>, <&dmac1 2>; + dma-names = "rx", "tx"; + resets = <&cru SRST_M_I2S1_8CH_TX>, <&cru SRST_M_I2S1_8CH_RX>; + reset-names = "tx-m", "rx-m"; + rockchip,trcm-sync-tx-only; + rockchip,cru = <&cru>; + rockchip,grf = <&grf>; + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = + <&i2s1m0_sclktx + &i2s1m0_sclkrx + &i2s1m0_lrcktx + &i2s1m0_lrckrx + &i2s1m0_sdi0 + &i2s1m0_sdi1 + &i2s1m0_sdi2 + &i2s1m0_sdi3 + &i2s1m0_sdo0 + &i2s1m0_sdo1 + &i2s1m0_sdo2 + &i2s1m0_sdo3>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 106d448e660d..e2cc0357e2b7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16119,6 +16119,7 @@ ROCKCHIP I2S TDM DRIVER M: Nicolas Frattaroli L: linux-rockchip@lists.infradead.org S: Maintained +F: Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.yaml F: sound/soc/rockchip/rockchip_i2s_tdm.* ROCKCHIP ISP V1 DRIVER