tree fa1667da6913aa8a864bc970af2390b31ac956ac
parent 2c2b217a13ed11ff6d8f4583f9bee3a54e8f1034
author Christophe RICARD <christophe.ricard@gmail.com> 1455376532 +0100
committer Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> 1466864502 +0300

tpm/st33zp24: Add support for acpi probing for i2c device.

Add support for acpi probing. SMO3324 is used for st33zp24.
It has been tested with the following acpi node on Minnowboard:

Device (TPM1)
{
	Name (_ADR, Zero)  // _ADR: Address
	Name (_HID, "SMO3324")  // _HID: Hardware ID
	Name (_CID, "SMO3324")  // _CID: Compatible ID
	Name (_DDN, "SMO TPM")  // _DDN: DOS Device Name
	Name (_UID, One)  // _UID: Unique ID
	Method (_CRS, 0, NotSerialized)  // _CRS: Current Resource Settings
	{
		Name (SBUF, ResourceTemplate ()
		{
			I2cSerialBus (0x0013, ControllerInitiated, 400000,
				      AddressingMode7Bit, "\\_SB.I2C7",
				      0x00, ResourceConsumer, ,)
			GpioInt (Edge, ActiveHigh, ExclusiveAndWake, PullNone, 0x0000,
				 "\\_SB.GPO2", 0x00, ResourceConsumer, ,)
			{   	// Pin list
				0x0001
			}
			GpioIo (Exclusive, PullDefault, 0x0000, 0x0000, IoRestrictionOutputOnly,
				"\\_SB.GPO2", 0x00, ResourceConsumer, ,)
			{	// Pin list
				0x0002,
			}
		})
		Return (SBUF) /* \_SB_.I2C7.TPM1._CRS.SBUF */
	}

	Method (_STA, 0, NotSerialized)  // _STA: Status
	{
		Return (0x0F)
	}
}

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>