Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) .. SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) ==============
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) ACPI I2C Muxes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) ==============
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) Describing an I2C device hierarchy that includes I2C muxes requires an ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) Device () scope per mux channel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Consider this topology::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)     +------+   +------+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)     | SMB1 |-->| MUX0 |--CH00--> i2c client A (0x50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)     |      |   | 0x70 |--CH01--> i2c client B (0x50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)     +------+   +------+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) which corresponds to the following ASL::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)     Device (SMB1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)     {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)         Name (_HID, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)         Device (MUX0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)         {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)             Name (_HID, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)             Name (_CRS, ResourceTemplate () {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)                 I2cSerialBus (0x70, ControllerInitiated, I2C_SPEED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)                             AddressingMode7Bit, "^SMB1", 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)                             ResourceConsumer,,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)             }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)             Device (CH00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)             {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)                 Name (_ADR, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)                 Device (CLIA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)                 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)                     Name (_HID, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)                     Name (_CRS, ResourceTemplate () {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)                         I2cSerialBus (0x50, ControllerInitiated, I2C_SPEED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)                                     AddressingMode7Bit, "^CH00", 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)                                     ResourceConsumer,,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)                     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)                 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)             }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)             Device (CH01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)             {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)                 Name (_ADR, 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)                 Device (CLIB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)                 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)                     Name (_HID, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)                     Name (_CRS, ResourceTemplate () {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)                         I2cSerialBus (0x50, ControllerInitiated, I2C_SPEED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)                                     AddressingMode7Bit, "^CH01", 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)                                     ResourceConsumer,,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)                     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)                 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)             }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)         }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)     }