[PATCH v2] i2c: designware: Add a new ACPI HID for GOOG5000 I2C controller
From: Moritz Fischer
Date: Thu Mar 26 2026 - 16:08:39 EST
Define a new ACPI HID for GOOG5000 as used on Google Axion.
This has been validated on Silicon.
Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Moritz Fischer <moritzf@xxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-platdrv.c | 1 +
1 file changed, 1 insertion(+)
---
Changelog from v1:
- Added Mika's Acked-by
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Jan Dabros <jsd@xxxxxxxxxxxx>
A DSDT excerpt is here:
Device (I2C0)
{
Name (_HID, "GOOG5000")
Name (_UID, 0x00)
Method (_STA) {
Return (0xf)
}
Name (_CRS, ResourceTemplate ()
{
QWordMemory (
ResourceProducer,
PosDecode,
MinFixed,
MaxFixed,
NonCacheable,
ReadWrite,
0x0,
0xA02048000,
0xA020480FF,
0x000000000,
0x000000100
)
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive)
{
109
}
})
...
}
This is being used by SoCs powering Google's Axion product line.
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 426ffec06e22..3351c4a9ef11 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -268,6 +268,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
{ "AMDI0510", 0 },
{ "APMC0D0F", 0 },
{ "FUJI200B", 0 },
+ { "GOOG5000", 0 },
{ "HISI02A1", 0 },
{ "HISI02A2", 0 },
{ "HISI02A3", 0 },
--
2.53.0.1018.g2bb0e51243-goog