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Commitcd020be

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TaliPerrywsakernel
authored andcommitted
dt-bindings: i2c: npcm7xx: add NPCM I2C controller
Added device tree binding documentation for Nuvoton BMCNPCM I2C controller.Signed-off-by: Tali Perry <tali.perry1@gmail.com>Reviewed-by: Rob Herring <robh@kernel.org>Signed-off-by: Wolfram Sang <wsa@kernel.org>
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# 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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$id:http://devicetree.org/schemas/i2c/nuvoton,npcm7xx-i2c.yaml#
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$schema:http://devicetree.org/meta-schemas/core.yaml#
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title:nuvoton NPCM7XX I2C Controller Device Tree Bindings
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description:|
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The NPCM750x includes sixteen I2C bus controllers. All Controllers support
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both master and slave mode. Each controller can switch between master and slave
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at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO for TX and
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RX.
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maintainers:
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-Tali Perry <tali.perry1@gmail.com>
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properties:
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compatible:
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const:nuvoton,npcm7xx-i2c
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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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clocks:
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maxItems:1
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description:Reference clock for the I2C bus
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clock-frequency:
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description:Desired I2C bus clock frequency in Hz. If not specified,
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the default 100 kHz frequency will be used.
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possible values are 100000, 400000 and 1000000.
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default:100000
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enum:[100000, 400000, 1000000]
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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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allOf:
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-$ref:/schemas/i2c/i2c-controller.yaml#
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unevaluatedProperties:false
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examples:
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-|
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#include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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i2c0: i2c@80000 {
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reg = <0x80000 0x1000>;
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clocks = <&clk NPCM7XX_CLK_APB2>;
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clock-frequency = <100000>;
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interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
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compatible = "nuvoton,npcm750-i2c";
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};
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...

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