Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936254AbcJGPfn (ORCPT ); Fri, 7 Oct 2016 11:35:43 -0400 Received: from mail-wm0-f43.google.com ([74.125.82.43]:36450 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938783AbcJGPWh (ORCPT ); Fri, 7 Oct 2016 11:22:37 -0400 From: Pantelis Antoniou To: Lee Jones Cc: Linus Walleij , Alexandre Courbot , Rob Herring , Mark Rutland , Frank Rowand , Greg Kroah-Hartman , Debjit Ghosh , Georgi Vlaev , Guenter Roeck , JawaharBalaji Thirumalaisamy , Mohammad Kamil , Pantelis Antoniou , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devel@driverdev.osuosl.org Subject: [PATCH 3/6] gpio: gpio-cbc: Document bindings of CBC FPGA GPIO block Date: Fri, 7 Oct 2016 18:20:11 +0300 Message-Id: <1475853614-22409-4-git-send-email-pantelis.antoniou@konsulko.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1475853614-22409-1-git-send-email-pantelis.antoniou@konsulko.com> References: <1475853614-22409-1-git-send-email-pantelis.antoniou@konsulko.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1410 Lines: 51 From: Georgi Vlaev Add device tree bindings document for the GPIO driver of Juniper's CBC FPGA. Signed-off-by: Georgi Vlaev [Ported from Juniper kernel] Signed-off-by: Pantelis Antoniou --- .../devicetree/bindings/gpio/jnx,gpio-cbc.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/jnx,gpio-cbc.txt diff --git a/Documentation/devicetree/bindings/gpio/jnx,gpio-cbc.txt b/Documentation/devicetree/bindings/gpio/jnx,gpio-cbc.txt new file mode 100644 index 0000000..d205d0b --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/jnx,gpio-cbc.txt @@ -0,0 +1,30 @@ +Juniper CBC FPGA GPIO block + +Required properties: + +- compatible: + Must be "jnx,cbc-gpio" + +Optional properties: + +- reg: + Address and length of the register set for the device. This is optional since + usually the parent MFD driver fills it in. + +- #gpio-cells: + Should be <2>. The first cell is the pin number (within the controller's + pin space), and the second is used for the following flags: + bit[0]: direction (0 = out, 1 = in) + bit[1]: init high + bit[2]: active low + +- gpio-controller: + Specifies that the node is a GPIO controller. + +Example: + +gpio_cbc { + compatible = "jnx,gpio-cbc"; + #gpio-cells = <2>; + gpio-controller; +}; -- 1.9.1