From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753201AbbHTUn1 (ORCPT ); Thu, 20 Aug 2015 16:43:27 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41691 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753096AbbHTUn0 (ORCPT ); Thu, 20 Aug 2015 16:43:26 -0400 Date: Thu, 20 Aug 2015 13:43:14 -0700 From: tip-bot for Eric Anholt Message-ID: Cc: mingo@kernel.org, swarren@wwwdotorg.org, hpa@zytor.com, eric@anholt.net, jason@lakedaemon.net, linux-kernel@vger.kernel.org, lee@kernel.org, tglx@linutronix.de Reply-To: lee@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, jason@lakedaemon.net, mingo@kernel.org, hpa@zytor.com, eric@anholt.net, swarren@wwwdotorg.org In-Reply-To: <1438902033-31477-4-git-send-email-eric@anholt.net> References: <1438902033-31477-4-git-send-email-eric@anholt.net> To: linux-tip-commits@vger.kernel.org Subject: [tip:irq/core] irqchip: Add documentation for the bcm2836 interrupt controller Git-Commit-ID: 815e7a31c3f7929f371da9c7e9ee91cfd52ef453 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: 815e7a31c3f7929f371da9c7e9ee91cfd52ef453 Gitweb: http://git.kernel.org/tip/815e7a31c3f7929f371da9c7e9ee91cfd52ef453 Author: Eric Anholt AuthorDate: Thu, 6 Aug 2015 16:00:32 -0700 Committer: Thomas Gleixner CommitDate: Thu, 20 Aug 2015 22:38:42 +0200 irqchip: Add documentation for the bcm2836 interrupt controller This is a new per-cpu root interrupt controller on the Raspberry Pi 2, which will chain to the bcm2835 interrupt controller for peripheral interrupts. Signed-off-by: Eric Anholt Acked-by: Stephen Warren Cc: linux-rpi-kernel@lists.infradead.org Cc: Lee Jones Cc: Jason Cooper Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1438902033-31477-4-git-send-email-eric@anholt.net Signed-off-by: Thomas Gleixner --- .../interrupt-controller/brcm,bcm2836-l1-intc.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.txt new file mode 100644 index 0000000..f320dcd --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2836-l1-intc.txt @@ -0,0 +1,37 @@ +BCM2836 per-CPU interrupt controller + +The BCM2836 has a per-cpu interrupt controller for the timer, PMU +events, and SMP IPIs. One of the CPUs may receive interrupts for the +peripheral (GPU) events, which chain to the BCM2835-style interrupt +controller. + +Required properties: + +- compatible: Should be "brcm,bcm2836-l1-intc" +- reg: Specifies base physical address and size of the + registers +- interrupt-controller: Identifies the node as an interrupt controller +- #interrupt-cells: Specifies the number of cells needed to encode an + interrupt source. The value shall be 1 + +Please refer to interrupts.txt in this directory for details of the common +Interrupt Controllers bindings used by client devices. + +The interrupt sources are as follows: + +0: CNTPSIRQ +1: CNTPNSIRQ +2: CNTHPIRQ +3: CNTVIRQ +8: GPU_FAST +9: PMU_FAST + +Example: + +local_intc: local_intc { + compatible = "brcm,bcm2836-l1-intc"; + reg = <0x40000000 0x100>; + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&local_intc>; +};