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From:   Benjamin Gaignard <benjamin.gaignard@linaro.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@st.com>
Subject: [PATCH 1/5] dt-bindings: hwlock: Document STM32 hwspinlock bindings
Date:   Wed, 31 Oct 2018 10:30:28 +0100
Message-Id: <20181031093032.20386-2-benjamin.gaignard@st.com>
In-Reply-To: <20181031093032.20386-1-benjamin.gaignard@st.com>
References: <20181031093032.20386-1-benjamin.gaignard@st.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add bindings for STM32 hardware spinlock device

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
---
 .../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..7a999479d802
--- /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 "hwspinlock".
+- 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 = "hwspinlock";
+	};
-- 
2.15.0