From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Shiyan Subject: [PATCH 2/2] GPIO: 74xx-mmio: Add DT bindings documentation Date: Fri, 19 Sep 2014 11:40:04 +0400 Message-ID: <1411112404-16040-3-git-send-email-shc_work@mail.ru> References: <1411112404-16040-1-git-send-email-shc_work@mail.ru> Return-path: Received: from fallback4.mail.ru ([94.100.181.169]:36910 "EHLO fallback4.mail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751154AbaISH73 (ORCPT ); Fri, 19 Sep 2014 03:59:29 -0400 In-Reply-To: <1411112404-16040-1-git-send-email-shc_work@mail.ru> Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: linux-gpio@vger.kernel.org Cc: Alexandre Courbot , Linus Walleij , devicetree@vger.kernel.org, Alexander Shiyan This patch adds DT binding documentation for the 74xx-mmio GPIO driver. Signed-off-by: Alexander Shiyan --- .../devicetree/bindings/gpio/gpio-74xx-mmio.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt b/Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt new file mode 100644 index 0000000..202dce7 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt @@ -0,0 +1,30 @@ +* 74XX MMIO GPIO driver + +Required properties: +- compatible: Should contain one of the following: + "ti,74ahc1g125": for 74AHC1G125 (1-bit Input), + "ti,74auc1g174": for 74AUC1G74 (1-bit Output), + "ti,74lvc2g125": for 74LVC2G125 (2-bit Input), + "ti,74hc74": for 74HC74 (2-bit Output), + "ti,74hc125": for 74HC125 (4-bit Input), + "ti,74hc175": for 74HC175 (4-bit Output), + "ti,74hc365": for 74HC365 (6-bit Input), + "ti,74hc174": for 74HC174 (6-bit Output), + "ti,74hc244": for 74HC244 (8-bit Input), + "ti,74hc273": for 74HC273 (8-bit Output), + "ti,74ac1624": for 74AC1624 (16-bit Input), + "ti,74ac16374": for 74AC16374 (16-bit Output). +- reg: Physical base address and length where IC resides. +- gpio-controller: Marks the device node as a gpio controller. +- #gpio-cells: Should be two. The first cell is the pin number and + the second cell is used to specify the GPIO polarity: + 0 = Active High, + 1 = Active Low. + +Example: + ctrl: gpio@30008004 { + compatible = "ti,74hc174"; + reg = <0x30008004 0x1>; + gpio-controller; + #gpio-cells = <2>; + }; -- 1.8.5.5