From patchwork Mon Feb 19 09:25:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Phil Reid X-Patchwork-Id: 875047 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zlJJN0h3Nz9ryy for ; Mon, 19 Feb 2018 20:25:40 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752080AbeBSJZj (ORCPT ); Mon, 19 Feb 2018 04:25:39 -0500 Received: from anchovy3.45ru.net.au ([203.30.46.155]:59694 "EHLO anchovy3.45ru.net.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752109AbeBSJZZ (ORCPT ); Mon, 19 Feb 2018 04:25:25 -0500 Received: (qmail 22723 invoked by uid 5089); 19 Feb 2018 09:25:23 -0000 Received: by simscan 1.2.0 ppid: 22675, pid: 22677, t: 0.0282s scanners: regex: 1.2.0 attach: 1.2.0 clamav: 0.88.3/m:40/d:1950 X-RBL: $rbltext Received: from unknown (HELO preid-centos7.electromag.com.au) (preid@electromag.com.au@203.59.235.95) by anchovy2.45ru.net.au with ESMTPA; 19 Feb 2018 09:25:23 -0000 Received: by preid-centos7.electromag.com.au (Postfix, from userid 1000) id 1C8E831AD9436; Mon, 19 Feb 2018 17:25:22 +0800 (AWST) From: Phil Reid To: linus.walleij@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, sre@kernel.org, preid@electromag.com.au, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, jan.kundrat@cesnet.cz Subject: [PATCH v4 2/3] dt-bindings: pinctrl: mcp23s08: add documentation for drive-open-drain Date: Mon, 19 Feb 2018 17:25:19 +0800 Message-Id: <1519032320-103817-3-git-send-email-preid@electromag.com.au> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1519032320-103817-1-git-send-email-preid@electromag.com.au> References: <1519032320-103817-1-git-send-email-preid@electromag.com.au> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This flag set the mcp23s08 device irq type to open drain active low. Acked-by: Rob Herring Signed-off-by: Phil Reid --- Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt index 7d262e9..72bac30 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt @@ -45,6 +45,8 @@ Optional properties: - first cell is the pin number - second cell is used to specify flags. - interrupt-controller: Marks the device node as a interrupt controller. +- drive-open-drain: Sets the ODR flag in the IOCON register. This configures + the IRQ output as open drain active low. Optional device specific properties: - microchip,irq-mirror: Sets the mirror flag in the IOCON register. Devices