From patchwork Tue Jul 10 01:27:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 10516045 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F08AD6054E for ; Tue, 10 Jul 2018 01:27:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DFA1028C7B for ; Tue, 10 Jul 2018 01:27:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D41FF28C80; Tue, 10 Jul 2018 01:27:49 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable 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 814C228C8A for ; Tue, 10 Jul 2018 01:27:49 +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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=SznNOUdznv1GQ3ziR79Da3S5nnffufJIL1+84FqYW4M=; b=QK1+QEUilyMInuuSvhM1ngA16C RuQrVPQsj98CXUBNi3Mpw3/Yc0FqQsLPd4jhZFo8zKVlc20ty3jnzTw6swT/6Vlskb/gRqS2UdH7Q C5KOoCEie0HYNryf/LtM85EKqhRX6gaH44HHssDYjPc4YdNvynghh1vIb9YVupLJdgtfC2PVkQcmt CmwUs8l9+BF0NNrXLOhrONIPz9zCZJfDSlkR3oLCEjpU+aQ71otJHrozSysFwdf14s4SA2rUOOQwN NuRiqm9plGSUXrLVqUuERPa/KThONwYr3rkAT/1etqDD5LlzY50VfqeuFVoCNl9154vb+Ew445s6Q w8acOu2Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fchRQ-0004lg-AN; Tue, 10 Jul 2018 01:27:44 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fchRD-0004aI-6p for linux-arm-kernel@lists.infradead.org; Tue, 10 Jul 2018 01:27:34 +0000 Received: from unknown (HELO iyokan-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 10 Jul 2018 10:27:21 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by iyokan-ex.css.socionext.com (Postfix) with ESMTP id C278360035; Tue, 10 Jul 2018 10:27:21 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Tue, 10 Jul 2018 10:27:21 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan.css.socionext.com (Postfix) with ESMTP id 2BA041A11BB; Tue, 10 Jul 2018 10:27:21 +0900 (JST) From: Kunihiko Hayashi To: Liam Girdwood , Mark Brown , Rob Herring , Mark Rutland , Masahiro Yamada Subject: [PATCH v2 1/2] dt-bindings: regulator: add DT bindings for UniPhier regulator Date: Tue, 10 Jul 2018 10:27:16 +0900 Message-Id: <1531186037-16630-2-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1531186037-16630-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1531186037-16630-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180709_182731_462978_87ACFF93 X-CRM114-Status: GOOD ( 14.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Kunihiko Hayashi , Masami Hiramatsu , linux-kernel@vger.kernel.org, Jassi Brar , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add DT bindings for regulators implemented in UniPhier SoCs. Signed-off-by: Kunihiko Hayashi --- .../bindings/regulator/uniphier-regulator.txt | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/uniphier-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/uniphier-regulator.txt b/Documentation/devicetree/bindings/regulator/uniphier-regulator.txt new file mode 100644 index 0000000..c9919f4 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/uniphier-regulator.txt @@ -0,0 +1,57 @@ +Socionext UniPhier Regulator Controller + +This describes the devicetree bindings for regulator controller implemented +on Socionext UniPhier SoCs. + +USB3 Controller +--------------- + +This regulator controls VBUS and belongs to USB3 glue layer. Before using +the regulator, it is necessary to control the clocks and resets to enable +this layer. These clocks and resets should be described in each property. + +Required properties: +- compatible: Should be + "socionext,uniphier-pro4-usb3-regulator" - for Pro4 SoC + "socionext,uniphier-pxs2-usb3-regulator" - for PXs2 SoC + "socionext,uniphier-ld20-usb3-regulator" - for LD20 SoC + "socionext,uniphier-pxs3-usb3-regulator" - for PXs3 SoC +- reg: Specifies offset and length of the register set for the device. +- clocks: A list of phandles to the clock gate for USB3 glue layer. + According to the clock-names, appropriate clocks are required. +- clock-names: Should contain + "gio", "link" - for Pro4 SoC + "link" - for others +- resets: A list of phandles to the reset control for USB3 glue layer. + According to the reset-names, appropriate resets are required. +- reset-names: Should contain + "gio", "link" - for Pro4 SoC + "link" - for others + +See Documentation/devicetree/bindings/regulator/regulator.txt +for more details about the regulator properties. + +Example: + + usb-glue@65b00000 { + compatible = "socionext,uniphier-ld20-dwc3-glue", + "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x65b00000 0x400>; + + usb_vbus0: regulators@100 { + compatible = "socionext,uniphier-ld20-usb3-regulator"; + reg = <0x100 0x10>; + clock-names = "link"; + clocks = <&sys_clk 14>; + reset-names = "link"; + resets = <&sys_rst 14>; + }; + + phy { + ... + phy-supply = <&usb_vbus0>; + }; + ... + };