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From:   Tali Perry <tali.perry1@gmail.com>
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Subject: [PATCH v5 1/2] dt-bindings: i2c: npcm7xx: * add binding for i2c controller
Date:   Tue, 19 Nov 2019 16:49:29 +0200
Message-Id: <20191119144930.227241-2-tali.perry1@gmail.com>
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 dt-bindings: i2c: npcm7xx: * add binding for i2c controller
Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/i2c/i2c-npcm7xx.txt   | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt

diff --git a/Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt b/Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt
new file mode 100644
index 000000000000..0ecae950748b
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt
@@ -0,0 +1,29 @@
+Nuvoton NPCM7XX I2C bus
+
+The NPCM750x includes sixteen I2C bus controllers. All Controllers support
+both master and slave mode. Each controller has two 16 byte HW FIFO for TX and
+RX.
+
+Required properties:
+- compatible      : must be "nuvoton,npcm750-i2c"
+- reg             : Offset and length of the register set for the device.
+- interrupts      : Contain the I2C interrupt with flags for falling edge.
+- clocks          : phandle of I2C reference clock.
+
+Optional:
+- bus-frequency   : Contain the I2C bus frequency,
+			the default I2C bus frequency is 100000.
+- pinctrl-0       : must be <&smbX_pins>, X is module number
+			(on NPCM7XX it's 0 to 15)
+- pinctrl-names   : should be set to "default"
+Example:
+
+	i2c0: i2c@80000 {
+		compatible = "nuvoton,npcm750-i2c";
+		reg = <0x80000 0x1000>;
+		clocks = <&clk NPCM7XX_CLK_APB2>;
+		bus-frequency = <100000>;
+		interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&smb0_pins>;
+	};
-- 
2.22.0