Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / i2c / brcm,bcm2835-i2c.txt
diff --git a/kernel/Documentation/devicetree/bindings/i2c/brcm,bcm2835-i2c.txt b/kernel/Documentation/devicetree/bindings/i2c/brcm,bcm2835-i2c.txt
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+Broadcom BCM2835 I2C controller
+
+Required properties:
+- compatible : Should be "brcm,bcm2835-i2c".
+- reg: Should contain register location and length.
+- interrupts: Should contain interrupt.
+- clocks : The clock feeding the I2C controller.
+
+Recommended properties:
+- clock-frequency : desired I2C bus clock frequency in Hz.
+
+Example:
+
+i2c@20205000 {
+       compatible = "brcm,bcm2835-i2c";
+       reg = <0x7e205000 0x1000>;
+       interrupts = <2 21>;
+       clocks = <&clk_i2c>;
+       clock-frequency = <100000>;
+};