From patchwork Fri Jan 13 10:37:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13100483 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 7A528C677F1 for ; Fri, 13 Jan 2023 10:40:37 +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 78928A497; Fri, 13 Jan 2023 11:39:45 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 78928A497 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1673606435; bh=0efc56c7RqUg/uabp6Ep7jbY9135Q+7vMCnRMoa0KwE=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: Cc:From; b=pGbfFJFZOp/xACn5rzeDuzmPLhHpmgmCxSkAfStpLu9yuvuqMWf36DX8Z9WTeHqZz Vcv/jEI4oLRf9vIlIThFgRghrWp+I2I48gbI+TjDQ5KW6UkB45rY7LwtVxxFpeij6V AIFrQ4MKNUrI+bfPegVJP+hQ02ZK01AtIVm1karw= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 46828F80567; Fri, 13 Jan 2023 11:38:31 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id AAEE6F80552; Fri, 13 Jan 2023 11:38:27 +0100 (CET) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::229]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 3C5D6F80548 for ; Fri, 13 Jan 2023 11:38:25 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3C5D6F80548 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=oEwq0mwR Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 92BDDFF805; Fri, 13 Jan 2023 10:38:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673606304; 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=A3gOwLKCbvhD9y82aQ+8CVVXVgQCqL1sYfV2qaO4J0s=; b=oEwq0mwR++GxfPwOyL9g/gotpNb4BJb18kxYNZqdo29VkXCw957txr1TDP4S28C0D3Z1Ck OtBDsMhwgkJOTHQ7+IF/53mZfL5b+Ik+F7LdLSOHlpU2zZFK8y4ZlMC7y1vGqxqe0ucE2C eBfmph+BIUGVPRWxMkufn3TtXfnwUsHqgEyeN2GZqgFXwdGyXM4+EycQNM2YUbHYUHmUtj Loizg7LqRputAm5V6siUc0eNyey2vsFdZnmfs4xO+xRqJUEegv5ats9LjjbU5+nDnaaGga 12xyQm6++hEIxNOrvmBygua6G3bp6dELzTFn4dg7FkXKf2Fpjet66kImXRqhrQ== From: Herve Codina To: Herve Codina , Li Yang , Rob Herring , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Christophe Leroy , Michael Ellerman , Nicholas Piggin , Qiang Zhao , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen Subject: [PATCH v3 05/10] dt-bindings: soc: fsl: cpm_qe: Add QMC controller Date: Fri, 13 Jan 2023 11:37:54 +0100 Message-Id: <20230113103759.327698-6-herve.codina@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230113103759.327698-1-herve.codina@bootlin.com> References: <20230113103759.327698-1-herve.codina@bootlin.com> MIME-Version: 1.0 X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add support for the QMC (QUICC Multichannel Controller) available in some PowerQUICC SoC such as MPC885 or MPC866. Signed-off-by: Herve Codina --- .../bindings/soc/fsl/cpm_qe/fsl,qmc.yaml | 164 ++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml new file mode 100644 index 000000000000..3ec52f1635c8 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml @@ -0,0 +1,164 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PowerQUICC CPM QUICC Multichannel Controller (QMC) + +maintainers: + - Herve Codina + +description: | + The QMC (QUICC Multichannel Controller) emulates up to 64 channels within + one serial controller using the same TDM physical interface routed from + TSA. + +properties: + compatible: + items: + - enum: + - fsl,mpc885-scc-qmc + - fsl,mpc866-scc-qmc + - const: fsl,cpm1-scc-qmc + + reg: + items: + - description: SCC (Serial communication controller) register base + - description: SCC parameter ram base + - description: Dual port ram base + + reg-names: + items: + - const: scc_regs + - const: scc_pram + - const: dpram + + interrupts: + maxItems: 1 + description: SCC interrupt line in the CPM interrupt controller + + fsl,tsa: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the TSA + + fsl,tsa-cell-id: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3] + description: | + TSA cell ID (dt-bindings/soc/fsl,tsa.h defines these values) + - 1: SCC2 + - 2: SCC3 + - 3: SCC4 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + '#chan-cells': + const: 1 + +patternProperties: + '^channel@([0-9]|[1-5][0-9]|6[0-3])$': + description: + A channel managed by this controller + type: object + + properties: + reg: + minimum: 0 + maximum: 63 + description: + The channel number + + fsl,mode: + $ref: /schemas/types.yaml#/definitions/string + enum: [transparent, hdlc] + default: transparent + description: Operational mode + + fsl,reverse-data: + $ref: /schemas/types.yaml#/definitions/flag + description: + The bit order as seen on the channels is reversed, + transmitting/receiving the MSB of each octet first. + This flag is used only in 'transparent' mode. + + fsl,tx-ts-mask: + $ref: /schemas/types.yaml#/definitions/uint64 + description: + Channel assigned Tx time-slots within the Tx time-slots routed + by the TSA to this cell. + + fsl,rx-ts-mask: + $ref: /schemas/types.yaml#/definitions/uint64 + description: + Channel assigned Rx time-slots within the Rx time-slots routed + by the TSA to this cell. + + required: + - reg + - fsl,tx-ts-mask + - fsl,rx-ts-mask + +required: + - compatible + - reg + - reg-names + - interrupts + - fsl,tsa + - fsl,tsa-cell-id + - '#address-cells' + - '#size-cells' + - '#chan-cells' + +additionalProperties: false + +examples: + - | + #include + + qmc@a60 { + compatible = "fsl,mpc885-scc-qmc", "fsl,cpm1-scc-qmc"; + reg = <0xa60 0x20>, + <0x3f00 0xc0>, + <0x2000 0x1000>; + reg-names = "scc_regs", "scc_pram", "dpram"; + interrupts = <27>; + interrupt-parent = <&CPM_PIC>; + + #address-cells = <1>; + #size-cells = <0>; + #chan-cells = <1>; + + fsl,tsa = <&tsa>; + fsl,tsa-cell-id = ; + + channel@16 { + /* Ch16 : First 4 even TS from all routed from TSA */ + reg = <16>; + fsl,mode = "transparent"; + fsl,reverse-data; + fsl,tx-ts-mask = <0x00000000 0x000000aa>; + fsl,rx-ts-mask = <0x00000000 0x000000aa>; + }; + + channel@17 { + /* Ch17 : First 4 odd TS from all routed from TSA */ + reg = <17>; + fsl,mode = "transparent"; + fsl,reverse-data; + fsl,tx-ts-mask = <0x00000000 0x00000055>; + fsl,rx-ts-mask = <0x00000000 0x00000055>; + }; + + channel@19 { + /* Ch19 : 8 TS (TS 8..15) from all routed from TSA */ + reg = <19>; + fsl,mode = "hdlc"; + fsl,tx-ts-mask = <0x00000000 0x0000ff00>; + fsl,rx-ts-mask = <0x00000000 0x0000ff00>; + }; + };