From patchwork Mon Sep 22 02:53:00 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 4945281 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 115BBBEEA6 for ; Mon, 22 Sep 2014 02:53:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 36402201FA for ; Mon, 22 Sep 2014 02:53:48 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2F91420221 for ; Mon, 22 Sep 2014 02:53:47 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XVtl4-0003pe-Tu; Mon, 22 Sep 2014 02:53:46 +0000 Received: from mail-pd0-f173.google.com ([209.85.192.173]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XVtl3-0003lE-Tq for linux-rockchip@lists.infradead.org; Mon, 22 Sep 2014 02:53:46 +0000 Received: by mail-pd0-f173.google.com with SMTP id y10so3490606pdj.4 for ; Sun, 21 Sep 2014 19:53:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=qx3cYcSe3tgxxqP0aT3FsyT7ANZZ7afbjWZKHoiZAcU=; b=KdyvNGipq/DH78HMCa3r5YkMkIzpxFVEa/fxTovR5UPif9r/V2DQ1Rk0y1y3i8f5vY Jg8AYtz3iNIk2hxnslJ714rFkXr94PmH2jioYc1uXe8A7M/9Dm1BgifsTi6swX6JB2LW dxybLRpoRmMZYZzioFrxvUKWEZkVI8rtGp/WGohQ/6nPbUqNiD58goN6tIlz0NOtNxQe vK5lysMuSJPc9PAEWAk1dHERShrgMTlDfwOEcoaZ8N5CkZfMBvnbaLY9v59t18hNlv5b bHqMWKufyahNAux3yK3BJAAq9y2GsQDFzo7CTeWsSa4crsV1iJxGXjQzjC3UvL65kzAD /wCA== X-Received: by 10.68.225.133 with SMTP id rk5mr20256204pbc.101.1411354404711; Sun, 21 Sep 2014 19:53:24 -0700 (PDT) Received: from localhost.localdomain ([69.176.84.147]) by mx.google.com with ESMTPSA id i2sm7873106pat.3.2014.09.21.19.53.19 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 21 Sep 2014 19:53:23 -0700 (PDT) From: Chris Zhong To: dianders@chromium.org, heiko@sntech.de Subject: [PATCH v4 2/2] dt-bindings: add devicetree bindings for st-pwm regulator Date: Mon, 22 Sep 2014 10:53:00 +0800 Message-Id: <1411354380-14326-3-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1411354380-14326-1-git-send-email-zyw@rock-chips.com> References: <1411354380-14326-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140921_195345_988707_8C31824D X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 1.0 (+) Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , linux-kernel@vger.kernel.org, Rob Herring , linux-rockchip@lists.infradead.org, broonie@kernel.org, Kumar Gala , Chris Zhong , lee.jones@linaro.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY, URIBL_BLACK autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Document the st-pwm regulator Signed-off-by: Chris Zhong Adviced by Doug Anderson - remove regulator-always-on and regulator-boot-on from the Example Reviewed-by: Doug Anderson --- Changes in v4: None Changes in v3: Adviced by Doug Anderson - update the Example Changes in v2: Adviced by Lee Jones - rename the documentation Adviced by Doug Anderson - update the example Adviced by Mark Rutland - remove pwm-reg-period .../bindings/regulator/pwm-regulator.txt | 27 ++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/pwm-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt new file mode 100644 index 0000000..c6756a9 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt @@ -0,0 +1,27 @@ +pwm regulator bindings + +Required properties: +- compatible: Should be "pwm-regulator" +- pwms: OF device-tree PWM specification (see PWM binding pwm.txt) +- voltage-table: voltage and duty table, include 2 merbers in each set of + brackets, first one is voltage(unit: uv), the next is duty(unit: percent) + +Any property defined as part of the core regulator binding defined in +regulator.txt can also be used. + +Example: + pwm_regulator { + compatible = "pwm-regulator; + pwms = <&pwm1 0 8448 0>; + + voltage-table = <1114000 0>, + <1095000 10>, + <1076000 20>, + <1056000 30>, + <1036000 40>, + <1016000 50>; + + regulator-min-microvolt = <1016000>; + regulator-max-microvolt = <1114000>; + regulator-name = "vdd_logic"; + };