[Patch V4 2/2] i2c: imx: add devicetree binding for lpi2c

[Gao Pan <pandy.gao@nxp.com>]

Add a binding document for lpi2c driver

Signed-off-by: Gao Pan <pandy.gao@nxp.com>
---
 .../devicetree/bindings/i2c/i2c-imx-lpi2c.txt        | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt
new file mode 100644
index 0000000..edaf04f
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt
@@ -0,0 +1,20 @@
+* Freescale Low Power Inter IC (LPI2C) for i.MX
+
+Required properties:
+- compatible :
+  - "fsl,imx8dv-lpi2c" for LPI2C compatible with the one integrated on i.MX8DV soc
+  - "fsl,imx7ulp-lpi2c" for LPI2C compatible with the one integrated on i.MX7ULP soc
+- reg : address and length of the lpi2c master registers
+- interrupt-parent : core interrupt controller
+- interrupts : lpi2c interrupt
+- clocks : lpi2c clock specifier
+
+Examples:
+
+lpi2c7: lpi2c7@40A50000 {
+	compatible = "fsl,imx8dv-lpi2c";
+	reg = <0x40A50000 0x10000>;
+	interrupt-parent = <&intc>;
+	interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+	clocks = <&clks IMX7ULP_CLK_LPI2C7>;
+};
-- 
1.9.1