nvidia,tegra186-bpmp-i2c.txt

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    1 NVIDIA Tegra186 BPMP I2C controller
    2 
    3 In Tegra186, the BPMP (Boot and Power Management Processor) owns certain HW
    4 devices, such as the I2C controller for the power management I2C bus. Software
    5 running on other CPUs must perform IPC to the BPMP in order to execute
    6 transactions on that I2C bus. This binding describes an I2C bus that is
    7 accessed in such a fashion.
    8 
    9 The BPMP I2C node must be located directly inside the main BPMP node. See
   10 ../firmware/nvidia,tegra186-bpmp.txt for details of the BPMP binding.
   11 
   12 This node represents an I2C controller. See ../i2c/i2c.txt for details of the
   13 core I2C binding.
   14 
   15 Required properties:
   16 - compatible:
   17     Array of strings.
   18     One of:
   19     - "nvidia,tegra186-bpmp-i2c".
   20 - #address-cells: Address cells for I2C device address.
   21     Single-cell integer.
   22     Must be <1>.
   23 - #size-cells:
   24     Single-cell integer.
   25     Must be <0>.
   26 - nvidia,bpmp-bus-id:
   27     Single-cell integer.
   28     Indicates the I2C bus number this DT node represent, as defined by the
   29     BPMP firmware.
   30 
   31 Example:
   32 
   33 bpmp {
   34         ...
   35 
   36         i2c {
   37                 compatible = "nvidia,tegra186-bpmp-i2c";
   38                 #address-cells = <1>;
   39                 #size-cells = <0>;
   40                 nvidia,bpmp-bus-id = <5>;
   41         };
   42 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/i2c/nvidia,tegra186-bpmp-i2c.txt

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sys/contrib/device-tree/Bindings/i2c/nvidia,tegra186-bpmp-i2c.txt