From patchwork Fri Jun 29 08:11:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 140526 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp545346ljj; Fri, 29 Jun 2018 01:11:50 -0700 (PDT) X-Google-Smtp-Source: ADUXVKK39EEUvkZbA6BcFwYaup6rWPXZnsK8Mc8CK4wh2aJUSw4JN7YLp/vVJDgt5HVFCpJq53kh X-Received: by 2002:a17:902:820a:: with SMTP id x10-v6mr13745580pln.179.1530259910582; Fri, 29 Jun 2018 01:11:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530259910; cv=none; d=google.com; s=arc-20160816; b=IBXVdI/KctDH/Kw0nWuyDIOswe1ommZSMFfD42EMQUITqQb2gzYc4Q/GNmeeHuub5c beUGQxv7a5S8wND2haGaUNHr4h2nml/UhKqmut6sEPKou/0F3Oq//GrZY9K5M5Ng2Xes hXXj/KQf+VdECFlfEekT1Oenu2nr+9wDlXYf69DMVlmzjfahfisgT72XmUdyBuXF/TaC 0F32JPCt6BCKMUgPerkK/OXlYKpgvLRpXN9BqcxTP1M+o5tNnTN9upckr2ZBq4/SeOEB 2mlKAEeCqCAn43QwTSGZRQ4DSl7B3dBpIbiQdQaBqAosVjhYB3TR5IhWQloI+jB8n+vN jtUg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=YWEqtDMOxOj4GiIRp8x9UJ6tFM1P2/A6jvF6YCtUQ74=; b=XkgrV0ifXolSyx9MZvGBWEr2lilq0fShF3b4oqQFdxGnFJJ7YL9k4QpwAS4dz9+ZmX /cLapNPfXyBTVkOR2PmFFjPnjt0Ut6yeH1s9r1RoIFH6n+ni+lHomp762R6pGm+zGZca V5KgW5eiQzepSSK1bDDmKkh5j602gy4Cbr3WFyqzK0doVwOae1aDJw194BstuoC2VgD2 QnLmkKpR4io4vsNfYrM1GjjtdWlz5+AD3Fi0wAWm9CHq31b++b4zefN+cB9RDqKkPqS2 tWRi8qTjPPDSmD19GEWw8GlAI1B0kE+k3lZqaqenUds3LdxNuphTJLr96/HYZFUprg3A 7mmQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x66-v6si8819498pfb.97.2018.06.29.01.11.50; Fri, 29 Jun 2018 01:11:50 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934630AbeF2ILr (ORCPT + 5 others); Fri, 29 Jun 2018 04:11:47 -0400 Received: from mx.socionext.com ([202.248.49.38]:42397 "EHLO mx.socionext.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934615AbeF2ILk (ORCPT ); Fri, 29 Jun 2018 04:11:40 -0400 Received: from unknown (HELO kinkan-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 29 Jun 2018 17:11:39 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by kinkan-ex.css.socionext.com (Postfix) with ESMTP id 0B9D11800FC; Fri, 29 Jun 2018 17:11:39 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Fri, 29 Jun 2018 17:11:38 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan.css.socionext.com (Postfix) with ESMTP id 8AD871A120B; Fri, 29 Jun 2018 17:11:38 +0900 (JST) From: Kunihiko Hayashi To: Philipp Zabel , Rob Herring , Mark Rutland , Masahiro Yamada Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Masami Hiramatsu , Jassi Brar , Kunihiko Hayashi Subject: [PATCH 1/2] dt-bindings: reset: uniphier: add USB3 controller reset support Date: Fri, 29 Jun 2018 17:11:30 +0900 Message-Id: <1530259891-18822-2-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530259891-18822-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1530259891-18822-1-git-send-email-hayashi.kunihiko@socionext.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add DT bindings for reset control of USB3 controller implemented in UniPhier SoCs. Signed-off-by: Kunihiko Hayashi --- .../devicetree/bindings/reset/uniphier-reset.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt index 93efed6..f21d81c 100644 --- a/Documentation/devicetree/bindings/reset/uniphier-reset.txt +++ b/Documentation/devicetree/bindings/reset/uniphier-reset.txt @@ -118,3 +118,48 @@ Example: other nodes ... }; + + +USB3 controller reset +--------------------- + +Required properties: +- compatible: Should be + "socionext,uniphier-pro4-usb3-reset" - for Pro4 SoC + "socionext,uniphier-pxs2-usb3-reset" - for PXs2 SoC + "socionext,uniphier-ld20-usb3-reset" - for LD20 SoC + "socionext,uniphier-pxs3-usb3-reset" - for PXs3 SoC +- #reset-cells: Should be 1. +- 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 + +Example: + + usb-glue@65b00000 { + compatible = "socionext,uniphier-ld20-dwc3-glue", + "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x65b00000 0x400>; + + usb_rst: reset@0 { + compatible = "socionext,uniphier-ld20-usb3-reset"; + reg = <0x0 0x4>; + #reset-cells = <1>; + clock-names = "link"; + clocks = <&sys_clk 14>; + clock-names = "link"; + resets = <&sys_rst 14>; + }; + + other nodes ... + };