Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754057AbcCNXcT (ORCPT ); Mon, 14 Mar 2016 19:32:19 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:33325 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750774AbcCNXcR (ORCPT ); Mon, 14 Mar 2016 19:32:17 -0400 From: Nicolas Saenz Julienne To: linus.walleij@linaro.org Cc: gnurou@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org Subject: [PATCH] gpio: 74x164: add dt support for nxp's 74x594 Date: Mon, 14 Mar 2016 23:32:10 +0000 Message-Id: <1457998330-8070-1-git-send-email-nicolassaenzj@gmail.com> X-Mailer: git-send-email 2.5.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1456 Lines: 38 The chip is also an 8 bit shift register which works out of the box as a GPO expander with this patch Signed-off-by: Nicolas Saenz Julienne --- Documentation/devicetree/bindings/gpio/gpio-74x164.txt | 4 +++- drivers/gpio/gpio-74x164.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt index cc26080..ce1b223 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt @@ -1,7 +1,9 @@ * Generic 8-bits shift register GPIO driver Required properties: -- compatible : Should be "fairchild,74hc595" +- compatible: Should contain one of the following: + "fairchild,74hc595" + "nxp,74lvc594" - reg : chip select number - gpio-controller : Marks the device node as a gpio controller. - #gpio-cells : Should be two. The first cell is the pin number and diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index c81224f..ebd0d1a 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -153,6 +153,7 @@ static int gen_74x164_remove(struct spi_device *spi) static const struct of_device_id gen_74x164_dt_ids[] = { { .compatible = "fairchild,74hc595" }, + { .compatible = "nxp,74lvc594" }, {}, }; MODULE_DEVICE_TABLE(of, gen_74x164_dt_ids); -- 2.5.0