diff options
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml new file mode 100644 index 000000000..4656f5112 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/i2c-imx-lpi2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale Low Power Inter IC (LPI2C) for i.MX + +maintainers: + - Anson Huang <Anson.Huang@nxp.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - enum: + - fsl,imx7ulp-lpi2c + - items: + - enum: + - fsl,imx8qxp-lpi2c + - fsl,imx8dxl-lpi2c + - fsl,imx8qm-lpi2c + - fsl,imx8ulp-lpi2c + - fsl,imx93-lpi2c + - const: fsl,imx7ulp-lpi2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + assigned-clock-parents: true + assigned-clock-rates: true + assigned-clocks: true + clock-frequency: true + + clock-names: + items: + - const: per + - const: ipg + + clocks: + maxItems: 2 + + dmas: + items: + - description: DMA controller phandle and request line for TX + - description: DMA controller phandle and request line for RX + + dma-names: + items: + - const: tx + - const: rx + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/imx7ulp-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c@40a50000 { + compatible = "fsl,imx7ulp-lpi2c"; + reg = <0x40A50000 0x10000>; + interrupt-parent = <&intc>; + interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7ULP_CLK_LPI2C7>, + <&clks IMX7ULP_CLK_NIC1_BUS_DIV>; + }; |