diff options
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/brya/variants/brya0/overridetree.cb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb index ad2399bb11..f3b7925dd7 100644 --- a/src/mainboard/google/brya/variants/brya0/overridetree.cb +++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb @@ -27,6 +27,11 @@ fw_config option UFC_USB 0 option UFC_MIPI_IMX208 1 end + # Bits 15 and 16 were intended for WFC but never declared here + field HPS 17 17 + option HPS_ABSENT 0 + option HPS_PRESENT 1 + end end chip soc/intel/alderlake @@ -532,6 +537,19 @@ chip soc/intel/alderlake probe UFC UFC_MIPI_IMX208 end end + 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 i2c3 on end device ref i2c5 on |