Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932404AbbBTSGz (ORCPT ); Fri, 20 Feb 2015 13:06:55 -0500 Received: from mail-wi0-f196.google.com ([209.85.212.196]:52535 "EHLO mail-wi0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752301AbbBTSBr (ORCPT ); Fri, 20 Feb 2015 13:01:47 -0500 From: Maxime Coquelin To: u.kleine-koenig@pengutronix.de, afaerber@suse.de, geert@linux-m68k.org, Rob Herring , Philipp Zabel , Jonathan Corbet , Maxime Coquelin , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Daniel Lezcano , Thomas Gleixner , Linus Walleij , Greg Kroah-Hartman , Jiri Slaby , Arnd Bergmann , Andrew Morton , "David S. Miller" , Mauro Carvalho Chehab , Joe Perches , Antti Palosaari , Tejun Heo , Will Deacon , Nikolay Borisov , Rusty Russell , Kees Cook , Michal Marek , linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v2 06/18] dt-bindings: Document the STM32 reset bindings Date: Fri, 20 Feb 2015 19:01:05 +0100 Message-Id: <1424455277-29983-7-git-send-email-mcoquelin.stm32@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1424455277-29983-1-git-send-email-mcoquelin.stm32@gmail.com> References: <1424455277-29983-1-git-send-email-mcoquelin.stm32@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1904 Lines: 61 This adds documentation of device tree bindings for the STM32 reset controller. Signed-off-by: Maxime Coquelin Signed-off-by: Maxime Coquelin --- .../devicetree/bindings/reset/st,stm32-reset.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/st,stm32-reset.txt diff --git a/Documentation/devicetree/bindings/reset/st,stm32-reset.txt b/Documentation/devicetree/bindings/reset/st,stm32-reset.txt new file mode 100644 index 0000000..5982528 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/st,stm32-reset.txt @@ -0,0 +1,36 @@ +STMicroelectronics STM32 Peripheral Reset Controller +==================================================== + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +Required properties: +- compatible: Should be "st,stm32-reset" +- reg: should be register base and length as documented in the + datasheet +- #reset-cells: 1, see below + +example: + +reset_ahb1: reset@40023810 { + #reset-cells = <1>; + compatible = "st,stm32-reset"; + reg = <0x40023810 0x4>; +}; + +Specifying softreset control of devices +======================================= + +Device nodes should specify the reset channel required in their "resets" +property, containing a phandle to the reset device node and an index specifying +which channel to use, as described in reset.txt + +example: + + timer2 { + resets = <&resets TIM2_RESET>; + }; + +Macro definitions for the supported reset channels can be found in: + +include/dt-bindings/reset/st,stm32f429.h -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/