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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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0d967f1231
Add compatible string "fsl,imx94-lpi2c" for the i.MX94 chip, which is backward compatible with i.MX7ULP. Set it to fall back to "fsl,imx7ulp-lpi2c". Signed-off-by: Frank Li <Frank.Li@nxp.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20250306155815.110514-1-Frank.Li@nxp.com
86 lines
1.8 KiB
YAML
86 lines
1.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/i2c/i2c-imx-lpi2c.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale Low Power Inter IC (LPI2C) for i.MX
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maintainers:
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- Shawn Guo <shawnguo@kernel.org>
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- Sascha Hauer <s.hauer@pengutronix.de>
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- Fabio Estevam <festevam@gmail.com>
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allOf:
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- $ref: /schemas/i2c/i2c-controller.yaml#
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properties:
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compatible:
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oneOf:
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- enum:
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- fsl,imx7ulp-lpi2c
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- items:
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- enum:
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- fsl,imx8qxp-lpi2c
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- fsl,imx8dxl-lpi2c
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- fsl,imx8qm-lpi2c
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- fsl,imx8ulp-lpi2c
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- fsl,imx93-lpi2c
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- fsl,imx94-lpi2c
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- fsl,imx95-lpi2c
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- const: fsl,imx7ulp-lpi2c
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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assigned-clock-parents: true
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assigned-clock-rates: true
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assigned-clocks: true
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clock-frequency: true
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clock-names:
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items:
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- const: per
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- const: ipg
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clocks:
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maxItems: 2
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dmas:
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items:
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- description: DMA controller phandle and request line for TX
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- description: DMA controller phandle and request line for RX
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dma-names:
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items:
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- const: tx
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- const: rx
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power-domains:
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx7ulp-clock.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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i2c@40a50000 {
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compatible = "fsl,imx7ulp-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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<&clks IMX7ULP_CLK_NIC1_BUS_DIV>;
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};
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