The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pinctrl/fsl,vf610-pinctrl.txt

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    1 Freescale Vybrid VF610 IOMUX Controller
    2 
    3 Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
    4 and usage.
    5 
    6 Required properties:
    7 - compatible: "fsl,vf610-iomuxc"
    8 - fsl,pins: two integers array, represents a group of pins mux and config
    9   setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is
   10   a pin working on a specific function, CONFIG is the pad setting value
   11   such as pull-up, speed, ode for this pin. Please refer to Vybrid VF610
   12   datasheet for the valid pad config settings.
   13 
   14 CONFIG bits definition:
   15 PAD_CTL_SPEED_LOW               (1 << 12)
   16 PAD_CTL_SPEED_MED               (2 << 12)
   17 PAD_CTL_SPEED_HIGH              (3 << 12)
   18 PAD_CTL_SRE_FAST                (1 << 11)
   19 PAD_CTL_SRE_SLOW                (0 << 11)
   20 PAD_CTL_ODE                     (1 << 10)
   21 PAD_CTL_HYS                     (1 << 9)
   22 PAD_CTL_DSE_DISABLE             (0 << 6)
   23 PAD_CTL_DSE_150ohm              (1 << 6)
   24 PAD_CTL_DSE_75ohm               (2 << 6)
   25 PAD_CTL_DSE_50ohm               (3 << 6)
   26 PAD_CTL_DSE_37ohm               (4 << 6)
   27 PAD_CTL_DSE_30ohm               (5 << 6)
   28 PAD_CTL_DSE_25ohm               (6 << 6)
   29 PAD_CTL_DSE_20ohm               (7 << 6)
   30 PAD_CTL_PUS_100K_DOWN           (0 << 4)
   31 PAD_CTL_PUS_47K_UP              (1 << 4)
   32 PAD_CTL_PUS_100K_UP             (2 << 4)
   33 PAD_CTL_PUS_22K_UP              (3 << 4)
   34 PAD_CTL_PKE                     (1 << 3)
   35 PAD_CTL_PUE                     (1 << 2)
   36 PAD_CTL_OBE_ENABLE              (1 << 1)
   37 PAD_CTL_IBE_ENABLE              (1 << 0)
   38 PAD_CTL_OBE_IBE_ENABLE          (3 << 0)
   39 
   40 Please refer to vf610-pinfunc.h in device tree source folder
   41 for all available PIN_FUNC_ID for Vybrid VF610.

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