From patchwork Wed Aug 14 10:43:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11093689 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5197F13AC for ; Wed, 14 Aug 2019 10:45:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 396912877F for ; Wed, 14 Aug 2019 10:45:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2BE3E287C9; Wed, 14 Aug 2019 10:45:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C9B3E2877F for ; Wed, 14 Aug 2019 10:45:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=+zOJDNBiUarZSbFTN5AViqnuUoVOKtw7xsxAm30fxzY=; b=rEQsIs/EtvRJF1 KSDxBFIAm+ZgmTiyxV8CO5OAwGB3WWVbx1zYi+qZ/CrbaCoC04tAfWiMkoxs098H02AHXuZTRlRmN P7tjn7lohbcS+lBh1VqaYj+1VdpqcgIXQMyVLtuGBTRnUM3gOEeQqXVM11TsI+sSGcQTZiK7whh4m 6dcdfSe2KSnJ6zD4V5SD0YMNf96bbfCEZopTAk9KoZbXHQaNBRePmkHGtDnEp6u/qyEEanx6ZOrBS Xricce9VRjIoL2QtrNO++J0IMT2bWpWYMN5MIsNJuB9PYVli6gfDXLMKB1lSqswycF8Oce98IGCiE l3Lu5c+xCyR3Vx/9s6xw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hxqm5-0001Dm-I9; Wed, 14 Aug 2019 10:45:01 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hxqm3-0001BB-4N for linux-mediatek@lists.infradead.org; Wed, 14 Aug 2019 10:45:00 +0000 X-UUID: f4abe3a5aa04497490253308775ddf8c-20190814 X-UUID: f4abe3a5aa04497490253308775ddf8c-20190814 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 345344198; Wed, 14 Aug 2019 02:44:52 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 03:44:51 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 14 Aug 2019 18:44:50 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 14 Aug 2019 18:44:50 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v2 4/10] dt-bindings: pwm: add a property "num-pwms" Date: Wed, 14 Aug 2019 18:43:34 +0800 Message-ID: <4107497fa8564032cac49e70680a9aa7bbb312eb.1548313019.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> References: <621e49c01b943edb6ddac9182f34719eb0727f01.1548313019.git.ryder.lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_034459_179682_B4F6A704 X-CRM114-Status: GOOD ( 11.33 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ryder Lee This adds a property "num-pwms" in example so that we could specify the number of PWM channels via device tree. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih Reviewed-by: Matthias Brugger --- Changes since v2: - use num-pwms instead of mediatek,num-pwms. - modify the description of clocks to make it simple. Changes since v1: - add a Reviewed-by tag. --- Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt index 991728c..ea95b49 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt @@ -14,12 +14,12 @@ Required properties: has no clocks - "top": the top clock generator - "main": clock used by the PWM core - - "pwm1-8": the eight per PWM clocks for mt2712 - - "pwm1-6": the six per PWM clocks for mt7622 - - "pwm1-5": the five per PWM clocks for mt7623 + - "pwm1-N": the PWM clocks for each channel + where N starting from 1 to the maximum number of PWM channels - pinctrl-names: Must contain a "default" entry. - pinctrl-0: One property must exist for each entry in pinctrl-names. See pinctrl/pinctrl-bindings.txt for details of the property values. + - num-pwms: the number of PWM channels. Example: pwm0: pwm@11006000 { @@ -37,4 +37,5 @@ Example: "pwm3", "pwm4", "pwm5"; pinctrl-names = "default"; pinctrl-0 = <&pwm0_pins>; + num-pwms = <5>; };