From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Gaignard Subject: [PATCH v4 1/4] dt-bindings: hwlock: Document STM32 hwspinlock bindings Date: Wed, 14 Nov 2018 10:00:24 +0100 Message-ID: <20181114090027.7580-2-benjamin.gaignard@linaro.org> References: <20181114090027.7580-1-benjamin.gaignard@linaro.org> Return-path: In-Reply-To: <20181114090027.7580-1-benjamin.gaignard@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: ohad@wizery.com, bjorn.andersson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, alexandre.torgue@st.com Cc: linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Benjamin Gaignard , Benjamin Gaignard List-Id: devicetree@vger.kernel.org From: Benjamin Gaignard Add bindings for STM32 hardware spinlock device Signed-off-by: Benjamin Gaignard Signed-off-by: Benjamin Gaignard Reviewed-by: Rob Herring --- version 4: - add Linaro SoB version 3 : - fix clock name in properties description version 2 : - change clock name from hwspinlock to hsem to be align with hardware documentation .../bindings/hwlock/st,stm32-hwspinlock.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt diff --git a/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt new file mode 100644 index 000000000000..adf4f000ea3d --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt @@ -0,0 +1,23 @@ +STM32 Hardware Spinlock Device Binding +------------------------------------- + +Required properties : +- compatible : should be "st,stm32-hwspinlock". +- reg : the register address of hwspinlock. +- #hwlock-cells : hwlock users only use the hwlock id to represent a specific + hwlock, so the number of cells should be <1> here. +- clock-names : Must contain "hsem". +- clocks : Must contain a phandle entry for the clock in clock-names, see the + common clock bindings. + +Please look at the generic hwlock binding for usage information for consumers, +"Documentation/devicetree/bindings/hwlock/hwlock.txt" + +Example of hwlock provider: + hwspinlock@4c000000 { + compatible = "st,stm32-hwspinlock"; + #hwlock-cells = <1>; + reg = <0x4c000000 0x400>; + clocks = <&rcc HSEM>; + clock-names = "hsem"; + }; -- 2.15.0