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authorFurquan Shaikh <furquan@chromium.org>2017-02-15 09:53:50 -0800
committerFurquan Shaikh <furquan@google.com>2017-02-17 08:06:54 +0100
commitc57c48bd36c69bfb5e783281c7c5aba8ba5b4bee (patch)
tree53b607f726885d211fd10e0dd13849628d6bb669
parent231c198e2ce56741c945149a6c553b1f4e81a4e2 (diff)
mainboard/google/poppy: Generate digitizer node in SSDT
Add support for generating digitizer node in SSDT using wacom i2c driver. BUG=None BRANCH=None TEST=Verified that the node shows up in SSDT. Change-Id: If7e1e2463778c2ff7263eff995def149457edcde Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18373 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
-rw-r--r--src/mainboard/google/poppy/Kconfig3
-rw-r--r--src/mainboard/google/poppy/devicetree.cb13
2 files changed, 15 insertions, 1 deletions
diff --git a/src/mainboard/google/poppy/Kconfig b/src/mainboard/google/poppy/Kconfig
index db0ebb17db..52e3f01072 100644
--- a/src/mainboard/google/poppy/Kconfig
+++ b/src/mainboard/google/poppy/Kconfig
@@ -21,6 +21,9 @@ config CHROMEOS
config DRIVERS_I2C_GENERIC
def_bool y
+config DRIVERS_I2C_WACOM
+ def_bool y
+
config GBB_HWID
string
depends on CHROMEOS
diff --git a/src/mainboard/google/poppy/devicetree.cb b/src/mainboard/google/poppy/devicetree.cb
index a9e0cef1b1..72bb0b1f55 100644
--- a/src/mainboard/google/poppy/devicetree.cb
+++ b/src/mainboard/google/poppy/devicetree.cb
@@ -208,7 +208,18 @@ chip soc/intel/skylake
end # I2C #0
device pci 15.1 on end # I2C #1
device pci 15.2 on end # I2C #2
- device pci 15.3 on end # I2C #3
+ device pci 15.3 on
+ chip drivers/i2c/wacom
+ register "generic" = "{
+ .hid = WCOM50C1_HID,
+ .cid = PNP0C50_CID,
+ .desc = WCOM_DT_DESC,
+ .irq = IRQ_LEVEL_LOW(GPP_D1_IRQ),
+ }"
+ register "hid_desc_reg_offset" = "0x1"
+ device i2c 0x9 on end
+ end
+ end # I2C #3
device pci 16.0 on end # Management Engine Interface 1
device pci 16.1 off end # Management Engine Interface 2
device pci 16.2 off end # Management Engine IDE-R