QuarkPlatformPkg/Acpi/AcpiTables/Dsdt/AD7298.asi

   1 /** @file
   2 Analog devices AD7298 ADC.
   3
   4 Copyright (c) 2013-2015 Intel Corporation.
   5
   6 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 Device(ADC1)
  17 {
  18     Name(_HID, "INT3494") // Galileo Version 1 Low-Speed ADC.
  19     Name(_CID, "INT3494")
  20     Name(RBUF, ResourceTemplate()
  21     {
  22         // SPI0: mode 2, 4Mhz, 16-bit data length
  23         SpiSerialBus (0x0000, PolarityLow, FourWireMode, 16, ControllerInitiated, 4000000, ClockPolarityHigh, ClockPhaseFirst, "\\_SB_.PCI0.SPI0",0x00, ResourceConsumer, ,)
  24
  25         // GPIO<0> is SPI0_CS_N
  26         GpioIO(Shared, PullDefault, 0, 0, IoRestrictionNone, "\\_SB.PCI0.GIP0.GPO_", 0, ResourceConsumer, , ) {QUARK_GPIO0_MAPPING}
  27     })
  28     Method(_CRS, 0x0, NotSerialized)
  29     {
  30         Return(RBUF)
  31     }
  32     Method(_STA, 0x0, NotSerialized)
  33     {
  34         //
  35         // Only Galileo platform has this device.
  36         // EFI_PLATFORM_TYPE enum value Galileo = 6.
  37         //
  38         If(LNotEqual(PTYP, 6))
  39         {
  40           return (0)
  41         }
  42         Return(0xf)
  43     }
  44 }