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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bg12-20020a1709028e8c00b001b8b49b13e4si6370097plb.554.2023.07.14.00.06.08; Fri, 14 Jul 2023 00:06:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=gP66vUPy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234953AbjGNG3U (ORCPT + 99 others); Fri, 14 Jul 2023 02:29:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234660AbjGNG3T (ORCPT ); Fri, 14 Jul 2023 02:29:19 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2E52173B for ; Thu, 13 Jul 2023 23:29:18 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-3fbfa811667so17028885e9.1 for ; Thu, 13 Jul 2023 23:29:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1689316157; x=1691908157; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=+cyRXTnFMgML5LRDqLhIxccKlQ2SpeUYza0LDZOHMN8=; b=gP66vUPyD3nRolEL+Es+rUKuIrtm3hjs2vXOFh1FT7zUuc+1//T3IHZZzh/SABAfJv Oqwi29iWmXra8Z0qcNI41QuWDywQu+cCYNDKd5ZBsWGGqDEgVzuAFDbg4j1s1XCWajXR NcPW589n0UrRpCvNVanNSvurpwOLRpN6Z+Opbb9eJHnooifrS0ULltLOAzx2MOIHT/p6 iOwDW80foTu74YCC3urGICk2eyqP036A50+oOcuQRLrpHOwbp/PjEtSI/oM8uQD3igdr MSMjeMjmBSTtNa/4zvHg4jIxnaJv5ODTXM7T0MdzN1dt8nsw2S+dQruQAXw7hL8H2rxi JNfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689316157; x=1691908157; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=+cyRXTnFMgML5LRDqLhIxccKlQ2SpeUYza0LDZOHMN8=; b=H4ymbai6T2g1MZfpTbOprhGH4L83FH4j90lLluGy43nFmbclqGDHO+YWTofiSV1anS qRoDqFDEwbQs60joCvWRGJXUgAKht3wzjclMk2ucx3XyUa0PnffGnn3ZPJzJAGuk9v16 Opx+1EeZi5vXr3TUnH8X+41a5LPcSmVah+cSPqboTdf0eZfa8F85UJQuFJMPt64TdoQR 6At9xUOMb6dmosjHey3PJqbn9JlsBMTM3tCsycR7bBGAYGnYSrRsydPQHDRps3kcpuXl J1bxOMYCBbd7d8Iwry6VLbD4ygxDYgwxx0xpQevur+lx886L/gY7/+9YY+P2BZpX27Ip B7SQ== X-Gm-Message-State: ABy/qLbIW43NM6K7HPhLW/2fJdr1Mpes4Yq3RsKx2/cVXeZcaSpry5pI lGb4R6XKJ7Two4QSOcI4y62U1g== X-Received: by 2002:adf:f04f:0:b0:314:3108:500a with SMTP id t15-20020adff04f000000b003143108500amr1554118wro.0.1689316157230; Thu, 13 Jul 2023 23:29:17 -0700 (PDT) Received: from [192.168.1.20] ([178.197.223.104]) by smtp.gmail.com with ESMTPSA id t14-20020adfe44e000000b00314374145e0sm9857803wrm.67.2023.07.13.23.29.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Jul 2023 23:29:16 -0700 (PDT) Message-ID: <53b67388-8b64-f668-0e56-299dd1044db1@linaro.org> Date: Fri, 14 Jul 2023 08:29:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] arm64: dts: exynos: add pwm node for exynosautov9-sadk Content-Language: en-US To: Chanho Park , 'Jaewon Kim' , 'Rob Herring' , 'Krzysztof Kozlowski' , 'Conor Dooley' , 'Alim Akhtar' Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230714051521.22720-1-jaewon02.kim@samsung.com> <3bc9c34a-ba55-61c5-87ea-80b369841873@linaro.org> <000401d9b618$59a29d80$0ce7d880$@samsung.com> From: Krzysztof Kozlowski In-Reply-To: <000401d9b618$59a29d80$0ce7d880$@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14/07/2023 07:59, Chanho Park wrote: >>> + reg = <0x103f0000 0x100>; >>> + samsung,pwm-outputs = <0>, <1>, <2>, <3>; >>> + #pwm-cells = <3>; >>> + clocks = <&xtcxo>; >> >> This does not look like correct clock. Are you sure XTCXO goes to PWM? > > Yes. XTXCO is the source clock of the pwm. Unlike any other exynos SoCs, the clock is directly derived from the external OSC. > Thus, it cannot be controllable such as gating. Sure, thanks for clarifying. Best regards, Krzysztof