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(169.20.90.92.rev.sfr.net. [92.90.20.169]) by mx.google.com with ESMTPSA id hs7sm3398370wib.4.2015.02.20.10.01.42 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 20 Feb 2015 10:01:45 -0800 (PST) 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150220_100205_110098_24E09CE9 X-CRM114-Status: GOOD ( 10.74 ) X-Spam-Score: 3.0 (+++) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RCVD_IN_SBL_CSS, RP_MATCHES_RCVD, T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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