From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68E07C65BAE for ; Fri, 30 Nov 2018 20:27:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FF1D206B7 for ; Fri, 30 Nov 2018 20:27:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FF1D206B7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=anholt.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726933AbeLAHiX (ORCPT ); Sat, 1 Dec 2018 02:38:23 -0500 Received: from anholt.net ([50.246.234.109]:41042 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726660AbeLAHiV (ORCPT ); Sat, 1 Dec 2018 02:38:21 -0500 Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 4AA3610A1521; Fri, 30 Nov 2018 12:27:53 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id aZRpao2y7NAo; Fri, 30 Nov 2018 12:27:51 -0800 (PST) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 7722010A150B; Fri, 30 Nov 2018 12:27:44 -0800 (PST) Received: by eliezer.anholt.net (Postfix, from userid 1000) id 68AF12FE2D5B; Fri, 30 Nov 2018 12:27:43 -0800 (PST) From: Eric Anholt To: Florian Fainelli , devicetree@vger.kernel.org, Rob Herring , Mark Rutland , Wim Van Sebroeck , Guenter Roeck , linux-watchdog@vger.kernel.org Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Wahren , bcm-kernel-feedback-list@broadcom.com, Eric Anholt Subject: [PATCH v3 1/5] dt-bindings: soc: Add a new binding for the BCM2835 PM node. Date: Fri, 30 Nov 2018 12:27:39 -0800 Message-Id: <20181130202743.20585-2-eric@anholt.net> X-Mailer: git-send-email 2.20.0.rc1 In-Reply-To: <20181130202743.20585-1-eric@anholt.net> References: <20181130202743.20585-1-eric@anholt.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This binding supersedes the bcm2835-pm-wdt binding which only covered enough to provide a watchdog, but the HW block is actually mostly about power domains. Signed-off-by: Eric Anholt --- .../bindings/soc/bcm/brcm,bcm2835-pm.txt | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt new file mode 100644 index 000000000000..7818d33a158f --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt @@ -0,0 +1,42 @@ +BCM2835 PM (Power domains, watchdog) + +The PM block controls power domains and some reset lines, and includes +a watchdog timer. This binding supersedes the brcm,bcm2835-pm-wdt +binding which covered some of PM's register range and functionality. + +Required properties: + +- compatible: Should be "brcm,bcm2835-pm" +- reg: Specifies base physical address and size of the two + register ranges ("PM" and "ASYNC_BRIDGE" in that + order) +- clocks: a) v3d: The V3D clock from CPRMAN + b) peri_image: The PERI_IMAGE clock from CPRMAN + c) h264: The H264 clock from CPRMAN + d) isp: The ISP clock from CPRMAN +- #reset-cells: Should be 1. This property follows the reset controller + bindings[1]. +- #power-domain-cells: Should be 1. This property follows the power domain + bindings[2]. + +Optional properties: + +- timeout-sec: Contains the watchdog timeout in seconds + +[1] Documentation/devicetree/bindings/reset/reset.txt +[2] Documentation/devicetree/bindings/power/power_domain.txt + +Example: + +pm { + compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; + #power-domain-cells = <1>; + #reset-cells = <1>; + reg = <0x7e100000 0x114>, + <0x7e00a000 0x24>; + clocks = <&clocks BCM2835_CLOCK_V3D>, + <&clocks BCM2835_CLOCK_PERI_IMAGE>, + <&clocks BCM2835_CLOCK_H264>, + <&clocks BCM2835_CLOCK_ISP>; + clock-names = "v3d", "peri_image", "h264", "isp"; +}; -- 2.20.0.rc1