aspeed,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/aspeed,i2c.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings
    8 
    9 maintainers:
   10   - Rayn Chen <rayn_chen@aspeedtech.com>
   11 
   12 allOf:
   13   - $ref: /schemas/i2c/i2c-controller.yaml#
   14 
   15 properties:
   16   compatible:
   17     enum:
   18       - aspeed,ast2400-i2c-bus
   19       - aspeed,ast2500-i2c-bus
   20       - aspeed,ast2600-i2c-bus
   21 
   22   reg:
   23     minItems: 1
   24     items:
   25       - description: address offset and range of bus
   26       - description: address offset and range of bus buffer
   27 
   28   interrupts:
   29     maxItems: 1
   30 
   31   clocks:
   32     maxItems: 1
   33     description:
   34       root clock of bus, should reference the APB
   35       clock in the second cell
   36 
   37   resets:
   38     maxItems: 1
   39 
   40   bus-frequency:
   41     minimum: 500
   42     maximum: 4000000
   43     default: 100000
   44     description: frequency of the bus clock in Hz defaults to 100 kHz when not
   45       specified
   46 
   47   multi-master:
   48     type: boolean
   49     description:
   50       states that there is another master active on this bus
   51 
   52 required:
   53   - reg
   54   - compatible
   55   - clocks
   56   - resets
   57 
   58 unevaluatedProperties: false
   59 
   60 examples:
   61   - |
   62     #include <dt-bindings/clock/aspeed-clock.h>
   63     i2c0: i2c-bus@40 {
   64       #address-cells = <1>;
   65       #size-cells = <0>;
   66       compatible = "aspeed,ast2500-i2c-bus";
   67       reg = <0x40 0x40>;
   68       clocks = <&syscon ASPEED_CLK_APB>;
   69       resets = <&syscon ASPEED_RESET_I2C>;
   70       bus-frequency = <100000>;
   71       interrupts = <0>;
   72       interrupt-parent = <&i2c_ic>;
   73     };

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

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