nuvoton,npcm7xx-i2c.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/i2c/nuvoton,npcm7xx-i2c.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: nuvoton NPCM7XX I2C Controller Device Tree Bindings
    8 
    9 description: |
   10   I2C bus controllers of the NPCM series support both master and
   11   slave mode. Each controller can switch between master and slave at run time
   12   (i.e. IPMB mode). HW FIFO for TX and RX are supported.
   13 
   14 maintainers:
   15   - Tali Perry <tali.perry1@gmail.com>
   16 
   17 properties:
   18   compatible:
   19     enum:
   20       - nuvoton,npcm750-i2c
   21       - nuvoton,npcm845-i2c
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   interrupts:
   27     maxItems: 1
   28 
   29   clocks:
   30     maxItems: 1
   31     description: Reference clock for the I2C bus
   32 
   33   clock-frequency:
   34     description: Desired I2C bus clock frequency in Hz. If not specified,
   35                  the default 100 kHz frequency will be used.
   36                  possible values are 100000, 400000 and 1000000.
   37     default: 100000
   38     enum: [100000, 400000, 1000000]
   39 
   40   nuvoton,sys-mgr:
   41     $ref: /schemas/types.yaml#/definitions/phandle
   42     description: The phandle of system manager register node.
   43 
   44 required:
   45   - compatible
   46   - reg
   47   - interrupts
   48   - clocks
   49 
   50 allOf:
   51   - $ref: /schemas/i2c/i2c-controller.yaml#
   52   - if:
   53       properties:
   54         compatible:
   55           contains:
   56             const: nuvoton,npcm845-i2c
   57 
   58     then:
   59       required:
   60         - nuvoton,sys-mgr
   61 
   62 unevaluatedProperties: false
   63 
   64 examples:
   65   - |
   66     #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
   67     #include <dt-bindings/interrupt-controller/arm-gic.h>
   68     i2c0: i2c@80000 {
   69         reg = <0x80000 0x1000>;
   70         clocks = <&clk NPCM7XX_CLK_APB2>;
   71         clock-frequency = <100000>;
   72         interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
   73         compatible = "nuvoton,npcm750-i2c";
   74         nuvoton,sys-mgr = <&gcr>;
   75     };
   76 
   77 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/i2c/nuvoton,npcm7xx-i2c.yaml

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sys/contrib/device-tree/Bindings/i2c/nuvoton,npcm7xx-i2c.yaml