From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751972AbeEMOIJ (ORCPT ); Sun, 13 May 2018 10:08:09 -0400 Received: from terminus.zytor.com ([198.137.202.136]:36457 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751263AbeEMOIH (ORCPT ); Sun, 13 May 2018 10:08:07 -0400 Date: Sun, 13 May 2018 07:07:56 -0700 From: tip-bot for Marc Zyngier Message-ID: Cc: miquel.raynal@bootlin.com, hpa@zytor.com, robh@kernel.org, mingo@kernel.org, marc.zyngier@arm.com, tglx@linutronix.de, srinivas.kandagatla@linaro.org, thomas.petazzoni@bootlin.com, linux-kernel@vger.kernel.org, ard.biesheuvel@linaro.org, jason@lakedaemon.net Reply-To: jason@lakedaemon.net, ard.biesheuvel@linaro.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, srinivas.kandagatla@linaro.org, tglx@linutronix.de, marc.zyngier@arm.com, mingo@kernel.org, robh@kernel.org, hpa@zytor.com, miquel.raynal@bootlin.com In-Reply-To: <20180508121438.11301-10-marc.zyngier@arm.com> References: <20180508121438.11301-10-marc.zyngier@arm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:irq/core] dt-bindings/gic-v3: Add documentation for MBI support Git-Commit-ID: 53667c670fe00d63246fb3cfb4480bb1ba247bcc X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 53667c670fe00d63246fb3cfb4480bb1ba247bcc Gitweb: https://git.kernel.org/tip/53667c670fe00d63246fb3cfb4480bb1ba247bcc Author: Marc Zyngier AuthorDate: Tue, 8 May 2018 13:14:38 +0100 Committer: Thomas Gleixner CommitDate: Sun, 13 May 2018 15:59:02 +0200 dt-bindings/gic-v3: Add documentation for MBI support Add the required properties to support the MBI feature on GICv3. Signed-off-by: Marc Zyngier Signed-off-by: Thomas Gleixner Cc: Rob Herring Cc: Jason Cooper Cc: Ard Biesheuvel Cc: Srinivas Kandagatla Cc: Thomas Petazzoni Cc: Miquel Raynal Link: https://lkml.kernel.org/r/20180508121438.11301-10-marc.zyngier@arm.com --- .../bindings/interrupt-controller/arm,gic-v3.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt index 0a57f2f4167d..3ea78c4ef887 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt @@ -57,6 +57,20 @@ Optional occupied by the redistributors. Required if more than one such region is present. +- msi-controller: Boolean property. Identifies the node as an MSI + controller. Only present if the Message Based Interrupt + functionnality is being exposed by the HW, and the mbi-ranges + property present. + +- mbi-ranges: A list of pairs , where "intid" is the first + SPI of a range that can be used an MBI, and "span" the size of that + range. Multiple ranges can be provided. Requires "msi-controller" to + be set. + +- mbi-alias: Address property. Base address of an alias of the GICD + region containing only the {SET,CLR}SPI registers to be used if + isolation is required, and if supported by the HW. + Sub-nodes: PPI affinity can be expressed as a single "ppi-partitions" node, @@ -99,6 +113,9 @@ Examples: <0x0 0x2c020000 0 0x2000>; // GICV interrupts = <1 9 4>; + msi-controller; + mbi-ranges = <256 128>; + gic-its@2c200000 { compatible = "arm,gic-v3-its"; msi-controller;