From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752655AbbFHH6r (ORCPT ); Mon, 8 Jun 2015 03:58:47 -0400 Received: from [198.137.202.10] ([198.137.202.10]:35761 "EHLO terminus.zytor.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752391AbbFHH6j (ORCPT ); Mon, 8 Jun 2015 03:58:39 -0400 Date: Mon, 8 Jun 2015 00:57:44 -0700 From: tip-bot for Geert Uytterhoeven Message-ID: Cc: hpa@zytor.com, tglx@linutronix.de, geert+renesas@glider.be, horms+renesas@verge.net.au, jason@lakedaemon.net, mingo@kernel.org, linux-kernel@vger.kernel.org Reply-To: mingo@kernel.org, linux-kernel@vger.kernel.org, horms+renesas@verge.net.au, jason@lakedaemon.net, hpa@zytor.com, geert+renesas@glider.be, tglx@linutronix.de In-Reply-To: <1432891663-23641-1-git-send-email-geert+renesas@glider.be> References: <1432891663-23641-1-git-send-email-geert+renesas@glider.be> To: linux-tip-commits@vger.kernel.org Subject: [tip:irq/core] irqchip: renesas: intc-irqpin: Improve binding documentation Git-Commit-ID: 496c28b13eb9d4f9c751b672daad8b110084cfd8 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: 496c28b13eb9d4f9c751b672daad8b110084cfd8 Gitweb: http://git.kernel.org/tip/496c28b13eb9d4f9c751b672daad8b110084cfd8 Author: Geert Uytterhoeven AuthorDate: Fri, 29 May 2015 11:27:43 +0200 Committer: Thomas Gleixner CommitDate: Fri, 5 Jun 2015 22:26:33 +0200 irqchip: renesas: intc-irqpin: Improve binding documentation Add missing documentation for required properties: - interrupt-controller, - parent interrupts (one entry per provided interrupt). Add missing documentation for optional properties: - functional clock (managed since commit 705bc96c2c15313c ("irqchip: renesas-intc-irqpin: Add minimal runtime PM support")), - power-domains. Add an example, taken from r8a7740.dtsi. Signed-off-by: Geert Uytterhoeven Acked-by: Simon Horman Cc: Jason Cooper Link: http://lkml.kernel.org/r/1432891663-23641-1-git-send-email-geert%2Brenesas@glider.be Signed-off-by: Thomas Gleixner --- .../interrupt-controller/renesas,intc-irqpin.txt | 39 ++++++++++++++++++++-- 1 file changed, 37 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt index 4f7946a..772c550 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,intc-irqpin.txt @@ -13,9 +13,12 @@ Required properties: - reg: Base address and length of each register bank used by the external IRQ pins driven by the interrupt controller hardware module. The base addresses, length and number of required register banks varies with soctype. - +- interrupt-controller: Identifies the node as an interrupt controller. - #interrupt-cells: has to be <2>: an interrupt index and flags, as defined in - interrupts.txt in this directory + interrupts.txt in this directory. +- interrupts: Must contain a list of interrupt specifiers. For each interrupt + provided by this irqpin controller instance, there must be one entry, + referring to the corresponding parent interrupt. Optional properties: @@ -25,3 +28,35 @@ Optional properties: if different from the default 4 bits - control-parent: disable and enable interrupts on the parent interrupt controller, needed for some broken implementations +- clocks: Must contain a reference to the functional clock. This property is + mandatory if the hardware implements a controllable functional clock for + the irqpin controller instance. +- power-domains: Must contain a reference to the power domain. This property is + mandatory if the irqpin controller instance is part of a controllable power + domain. + + +Example +------- + + irqpin1: interrupt-controller@e6900004 { + compatible = "renesas,intc-irqpin-r8a7740", + "renesas,intc-irqpin"; + #interrupt-cells = <2>; + interrupt-controller; + reg = <0xe6900004 4>, + <0xe6900014 4>, + <0xe6900024 1>, + <0xe6900044 1>, + <0xe6900064 1>; + interrupts = <0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH + 0 149 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp2_clks R8A7740_CLK_INTCA>; + power-domains = <&pd_a4s>; + };