QuarkPlatformPkg/Acpi/AcpiTables/Dsdt/AD7298.asi

   1 /** @file
   2 Analog devices AD7298 ADC.
   3
   4 Copyright (c) 2013-2015 Intel Corporation.
   5
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 Device(ADC1)
  11 {
  12     Name(_HID, "INT3494") // Galileo Version 1 Low-Speed ADC.
  13     Name(_CID, "INT3494")
  14     Name(RBUF, ResourceTemplate()
  15     {
  16         // SPI0: mode 2, 4Mhz, 16-bit data length
  17         SpiSerialBus (0x0000, PolarityLow, FourWireMode, 16, ControllerInitiated, 4000000, ClockPolarityHigh, ClockPhaseFirst, "\\_SB_.PCI0.SPI0",0x00, ResourceConsumer, ,)
  18
  19         // GPIO<0> is SPI0_CS_N
  20         GpioIO(Shared, PullDefault, 0, 0, IoRestrictionNone, "\\_SB.PCI0.GIP0.GPO_", 0, ResourceConsumer, , ) {QUARK_GPIO0_MAPPING}
  21     })
  22     Method(_CRS, 0x0, NotSerialized)
  23     {
  24         Return(RBUF)
  25     }
  26     Method(_STA, 0x0, NotSerialized)
  27     {
  28         //
  29         // Only Galileo platform has this device.
  30         // EFI_PLATFORM_TYPE enum value Galileo = 6.
  31         //
  32         If(LNotEqual(PTYP, 6))
  33         {
  34           return (0)
  35         }
  36         Return(0xf)
  37     }
  38 }