From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Reid Subject: [PATCH v3 2/5] dt-bindings: pinctrl: mcp23s08: add documentation for drive-open-drain Date: Tue, 21 Nov 2017 16:21:28 +0800 Message-ID: <1511252491-79952-3-git-send-email-preid@electromag.com.au> References: <1511252491-79952-1-git-send-email-preid@electromag.com.au> Return-path: Received: from anchovy1.45ru.net.au ([203.30.46.145]:52839 "EHLO anchovy.45ru.net.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751413AbdKUIVh (ORCPT ); Tue, 21 Nov 2017 03:21:37 -0500 In-Reply-To: <1511252491-79952-1-git-send-email-preid@electromag.com.au> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org 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 This flag set the mcp23s08 device irq type to open drain active low. 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 9c451c2..a5a8322 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 -- 1.8.3.1