From patchwork Mon Jan 9 09:02:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Phil Reid X-Patchwork-Id: 712529 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 3txq341kFCz9t0P for ; Mon, 9 Jan 2017 20:04:16 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757571AbdAIJEO (ORCPT ); Mon, 9 Jan 2017 04:04:14 -0500 Received: from anchovy3.45ru.net.au ([203.30.46.155]:41407 "EHLO anchovy.45ru.net.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757560AbdAIJDI (ORCPT ); Mon, 9 Jan 2017 04:03:08 -0500 Received: (qmail 17590 invoked by uid 5089); 9 Jan 2017 09:03:01 -0000 Received: by simscan 1.2.0 ppid: 17561, pid: 17564, t: 0.0620s 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 anchovy2.45ru.net.au with ESMTPA; 9 Jan 2017 09:03:01 -0000 Received: by preid-centos7.electromag.com.au (Postfix, from userid 1000) id 9C33E3048AC30; Mon, 9 Jan 2017 17:02:58 +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 v3 2/5] dt: bindings: i2c-mux-pca954x: Add documentation for interrupt controller Date: Mon, 9 Jan 2017 17:02:53 +0800 Message-Id: <1483952576-5308-3-git-send-email-preid@electromag.com.au> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1483952576-5308-1-git-send-email-preid@electromag.com.au> References: <1483952576-5308-1-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>;