dt-bindings: i2c: imx-lpi2c: add devicetree bindings
Add a binding document for lpi2c driver. Signed-off-by: Gao Pan <pandy.gao@nxp.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt
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Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt
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* Freescale Low Power Inter IC (LPI2C) for i.MX
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Required properties:
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- compatible :
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- "fsl,imx7ulp-lpi2c" for LPI2C compatible with the one integrated on i.MX7ULP soc
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- "fsl,imx8dv-lpi2c" for LPI2C compatible with the one integrated on i.MX8DV soc
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- reg : address and length of the lpi2c master registers
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- interrupt-parent : core interrupt controller
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- interrupts : lpi2c interrupt
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- clocks : lpi2c clock specifier
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Examples:
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lpi2c7: lpi2c7@40A50000 {
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compatible = "fsl,imx8dv-lpi2c";
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reg = <0x40A50000 0x10000>;
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interrupt-parent = <&intc>;
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interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks IMX7ULP_CLK_LPI2C7>;
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};
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