From 2bbd681ba2bfa0f3805fb541b0840b96893c5727 Mon Sep 17 00:00:00 2001 From: Subhendu Sekhar Behera Date: Wed, 18 Mar 2015 17:20:29 +0530 Subject: i2c: xlp9xx: Driver for Netlogic XLP9XX/5XX I2C controller Add an I2C bus driver i2c-xlp9xx.c to support the I2C block in the XLP9xx/XLP5xx MIPS SoC. Update Kconfig and Makefile to add the CONFIG_I2C_XLP9XX option. Signed-off-by: Subhendu Sekhar Behera Signed-off-by: Jayachandran C Reviewed-by: Ray Jui Signed-off-by: Wolfram Sang --- .../devicetree/bindings/i2c/i2c-xlp9xx.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-xlp9xx.txt (limited to 'Documentation/devicetree/bindings/i2c') diff --git a/Documentation/devicetree/bindings/i2c/i2c-xlp9xx.txt b/Documentation/devicetree/bindings/i2c/i2c-xlp9xx.txt new file mode 100644 index 0000000..f818ef5 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-xlp9xx.txt @@ -0,0 +1,22 @@ +Device tree configuration for the I2C controller on the XLP9xx/5xx SoC + +Required properties: +- compatible : should be "netlogic,xlp980-i2c" +- reg : bus address start and address range size of device +- interrupts : interrupt number + +Optional properties: +- clock-frequency : frequency of bus clock in Hz + Defaults to 100 KHz when the property is not specified + +Example: + +i2c0: i2c@113100 { + compatible = "netlogic,xlp980-i2c"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0x113100 0x100>; + clock-frequency = <400000>; + interrupts = <30>; + interrupt-parent = <&pic>; +}; -- cgit v1.1