From patchwork Tue Dec 15 21:40:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Anholt X-Patchwork-Id: 7857261 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 07F929F350 for ; Tue, 15 Dec 2015 21:41:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 30A76203A9 for ; Tue, 15 Dec 2015 21:41:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49921203E5 for ; Tue, 15 Dec 2015 21:41:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932339AbbLOVk2 (ORCPT ); Tue, 15 Dec 2015 16:40:28 -0500 Received: from gabe.freedesktop.org ([131.252.210.177]:39610 "EHLO gabe.freedesktop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753575AbbLOVkY (ORCPT ); Tue, 15 Dec 2015 16:40:24 -0500 Received: from annarchy.freedesktop.org (annarchy.freedesktop.org [131.252.210.176]) by gabe.freedesktop.org (Postfix) with ESMTP id BC6D46E7D1; Tue, 15 Dec 2015 13:40:23 -0800 (PST) Received: from eliezer.anholt.net (annarchy.freedesktop.org [127.0.0.1]) by annarchy.freedesktop.org (Postfix) with ESMTP id 920B0181D2; Tue, 15 Dec 2015 13:40:23 -0800 (PST) Received: by eliezer.anholt.net (Postfix, from userid 1000) id AD08AF0038A; Tue, 15 Dec 2015 13:40:22 -0800 (PST) From: Eric Anholt To: "Rafael J. Wysocki" Cc: linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stephen Warren , Lee Jones , Florian Fainelli , Kevin Hilman , Ulf Hansson , Greg Kroah-Hartman , Alexander Aring , devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Eric Anholt Subject: [PATCH v3 4/4] ARM: bcm2835: Add the Raspberry Pi power domain driver to the DT. Date: Tue, 15 Dec 2015 13:40:22 -0800 Message-Id: <1450215622-27394-5-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1450215622-27394-1-git-send-email-eric@anholt.net> References: <1450215622-27394-1-git-send-email-eric@anholt.net> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 From: Alexander Aring This connects the USB driver to the USB power domain, so that USB can actually be turned on at boot if the bootloader didn't do it for us. Signed-off-by: Alexander Aring Signed-off-by: Eric Anholt --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 11 +++++++++++ arch/arm/boot/dts/bcm2835.dtsi | 2 +- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index 3572f03..f828202 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -1,3 +1,4 @@ +#include #include "bcm2835.dtsi" / { @@ -20,6 +21,12 @@ compatible = "raspberrypi,bcm2835-firmware"; mboxes = <&mailbox>; }; + + power: power { + compatible = "raspberrypi,bcm2835-power"; + firmware = <&firmware>; + #power-domain-cells = <1>; + }; }; }; @@ -60,3 +67,7 @@ status = "okay"; bus-width = <4>; }; + +&usb { + power-domains = <&power RPI_POWER_DOMAIN_USB>; +}; diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi index aef64de..6d62af0 100644 --- a/arch/arm/boot/dts/bcm2835.dtsi +++ b/arch/arm/boot/dts/bcm2835.dtsi @@ -177,7 +177,7 @@ status = "disabled"; }; - usb@7e980000 { + usb: usb@7e980000 { compatible = "brcm,bcm2835-usb"; reg = <0x7e980000 0x10000>; interrupts = <1 9>;