diff options
| author | Dan Callaghan <dcallagh@google.com> | 2021-10-28 21:26:12 +1100 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-10-28 23:11:55 +0000 |
| commit | b00bfd076502add705c894711b3b954a0d07d909 (patch) | |
| tree | b8c69405a22cefbc5f1829fd9ad6fd0a748df47d /src/mainboard/google/brya/variants | |
| parent | 59a348b75a43d41411dfd7fc4f5d6d1f26404381 (diff) | |
mb/google/brya/var/taeko: add HPS as generic I2C peripheral
BUG=b:202784200
TEST=FW_NAME=taeko emerge-brya coreboot chromeos-bootimage
Signed-off-by: Dan Callaghan <dcallagh@google.com>
Change-Id: I400719d762b001811f809f9549fd030dff9928d0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58647
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/brya/variants')
| -rw-r--r-- | src/mainboard/google/brya/variants/taeko/overridetree.cb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb index 6806d8b3a0..57c9cead30 100644 --- a/src/mainboard/google/brya/variants/taeko/overridetree.cb +++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb @@ -35,6 +35,10 @@ fw_config option BOOT_EMMC_DISABLED 0 option BOOT_EMMC_ENABLED 1 end + field HPS 17 + option HPS_ABSENT 0 + option HPS_PRESENT 1 + end end chip soc/intel/alderlake register "TcssAuxOri" = "1" @@ -276,6 +280,21 @@ chip soc/intel/alderlake device i2c 10 on end end end + device ref i2c2 on + chip drivers/i2c/generic + register "hid" = ""GOOG0020"" + register "desc" = ""Chrome OS HPS"" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E7)" # EN_HPS_PWR + register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E3_IRQ)" # HPS_INT_ODL + # HPS uses I2C addresses 0x30 and 0x51. + # The address we provide here is not significant because + # neither coreboot nor Linux have a driver for HPS, + # it's only used from userspace. + device i2c 30 on + probe HPS HPS_PRESENT + end + end + end device ref i2c5 on chip drivers/i2c/generic register "hid" = ""ELAN0000"" |