From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CB78C433DF for ; Mon, 6 Jul 2020 11:45:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 3A7F1206E6 for ; Mon, 6 Jul 2020 11:45:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JHiajl9x" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A7F1206E6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=TONjKfomvMrTPThQ39wXsrsv6B7hyqYIuFfkOQLYULw=; b=JHiajl9x3SYMzozX/vXe+nBh5 Hrqx56SlL+a2wIcInY+nzg7rZjWi6jdiuhP8RO+fFQk6xuvxgnyrSFVP/1itF4c12KuSnpVTrnjUM Uupj9amrZi6yXIrEP2EAbGElOP8Gn02/i+nlPxYxZR8dLMH2M5vR8uRFSZEyD4HtXYyV83/ISLUdG UmqlKxVELanzPPJhiUHpn/hKUyIiXScE5pI7c3SFqGzt6Ek77pY9gtW33OUI7m0hxuRoRsYYz97Xi xy6qL6f7VCEw0HG0n0pBq54Acf0QhSYPyW7hq9Z7mzAG0eKcErzrWxRYH6hKwgCqhsgNrRN3tSkRh isZpc8erA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jsPXl-00016P-9H; Mon, 06 Jul 2020 11:44:17 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jsPXe-00014G-IG for linux-arm-kernel@lists.infradead.org; Mon, 06 Jul 2020 11:44:12 +0000 X-Originating-IP: 86.202.118.225 Received: from localhost (lfbn-lyo-1-23-225.w86-202.abo.wanadoo.fr [86.202.118.225]) (Authenticated sender: kamel.bouhara@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 8467AC0016; Mon, 6 Jul 2020 11:44:06 +0000 (UTC) From: Kamel Bouhara To: William Breathitt Gray , Rob Herring , Mark Rutland , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 4/5] dt-bindings: counter: microchip-tcb-capture counter Date: Mon, 6 Jul 2020 13:43:46 +0200 Message-Id: <20200706114347.174452-5-kamel.bouhara@bootlin.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200706114347.174452-1-kamel.bouhara@bootlin.com> References: <20200706114347.174452-1-kamel.bouhara@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200706_074411_249918_88DA48CC X-CRM114-Status: UNSURE ( 8.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Kamel Bouhara , Rob Herring , linux-iio@vger.kernel.org, Thomas Petazzoni , linux-input@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Describe the devicetree binding for the Microchip TCB module. Each counter blocks exposes three independent counters. However, when configured in quadrature decoder, both channel <0> and <1> are required for speed/position and rotation capture (yet only the position is captured). Signed-off-by: Kamel Bouhara Reviewed-by: Rob Herring --- .../soc/microchip/atmel,at91rm9200-tcb.yaml | 32 +++++++++++++++++-- 1 file changed, 29 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml index d226fd7d5258..3cd0b70cd6cf 100644 --- a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml @@ -52,14 +52,20 @@ properties: patternProperties: "^timer@[0-2]$": - description: The timer block channels that are used as timers. + description: The timer block channels that are used as timers or counters. type: object properties: compatible: - const: atmel,tcb-timer + items: + - enum: + - atmel,tcb-timer + - microchip,tcb-capture reg: description: - List of channels to use for this particular timer. + List of channels to use for this particular timer. In Microchip TCB capture + mode channels are registered as a counter devices, for the qdec mode TCB0's + channel <0> and <1> are required. + minItems: 1 maxItems: 3 @@ -153,3 +159,23 @@ examples: reg = <1>; }; }; + /* TCB0 Capture with QDEC: */ + timer@f800c000 { + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfff7c000 0x100>; + interrupts = <18 4>; + clocks = <&tcb0_clk>, <&clk32k>; + clock-names = "t0_clk", "slow_clk"; + + timer@0 { + compatible = "microchip,tcb-capture"; + reg = <0>, <1>; + }; + + timer@2 { + compatible = "atmel,tcb-timer"; + reg = <2>; + }; + }; -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel