From patchwork Wed Jan 25 01:31:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Phil Reid X-Patchwork-Id: 719476 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3v7SFG3Hw4z9t0k for ; Wed, 25 Jan 2017 12:31:30 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751165AbdAYBbZ (ORCPT ); Tue, 24 Jan 2017 20:31:25 -0500 Received: from anchovy1.45ru.net.au ([203.30.46.145]:39122 "EHLO anchovy.45ru.net.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751150AbdAYBbY (ORCPT ); Tue, 24 Jan 2017 20:31:24 -0500 Received: (qmail 28840 invoked by uid 5089); 25 Jan 2017 01:31:21 -0000 Received: by simscan 1.2.0 ppid: 28813, pid: 28815, t: 0.0299s scanners: regex: 1.2.0 attach: 1.2.0 clamav: 0.88.3/m:40/d:1950 Received: from unknown (HELO preid-centos7.electromag.com.au) (preid@electromag.com.au@203.59.230.133) by anchovy1.45ru.net.au with ESMTPA; 25 Jan 2017 01:31:21 -0000 Received: by preid-centos7.electromag.com.au (Postfix, from userid 1000) id 9745D30261708; Wed, 25 Jan 2017 09:31:17 +0800 (AWST) From: Phil Reid To: peda@axentia.se, wsa@the-dreams.de, robh+dt@kernel.org, mark.rutland@arm.com, preid@electromag.com.au, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v6 2/3] dt: bindings: i2c-mux-pca954x: Add documentation for interrupt controller Date: Wed, 25 Jan 2017 09:31:07 +0800 Message-Id: <1485307868-5408-3-git-send-email-preid@electromag.com.au> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1485307868-5408-1-git-send-email-preid@electromag.com.au> References: <1485307868-5408-1-git-send-email-preid@electromag.com.au> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Various muxes can aggregate multiple irq lines and provide a control register to determine the active line. Add bindings for interrupt controller support. Acked-by: Peter Rosin Acked-by: Rob Herring Signed-off-by: Phil Reid --- Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt index cf53d5f..aa09704 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt @@ -19,7 +19,14 @@ Optional Properties: - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all children in idle state. This is necessary for example, if there are several multiplexers on the bus and the devices behind them use same I2C addresses. - + - interrupt-parent: Phandle for the interrupt controller that services + interrupts for this device. + - interrupts: Interrupt mapping for IRQ. + - interrupt-controller: Marks the device node as an interrupt controller. + - #interrupt-cells : Should be two. + - first cell is the pin number + - second cell is used to specify flags. + See also Documentation/devicetree/bindings/interrupt-controller/interrupts.txt Example: @@ -29,6 +36,11 @@ Example: #size-cells = <0>; reg = <0x74>; + interrupt-parent = <&ipic>; + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <2>; + i2c@2 { #address-cells = <1>; #size-cells = <0>;