From: Moritz Fischer <moritzf@google.com>
To: linux-i2c@vger.kernel.org, andi.shyti@kernel.org
Cc: linux-kernel@vger.kernel.org, mdf@kernel.org, ovt@google.com,
Moritz Fischer <moritzf@google.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Jan Dabros <jsd@semihalf.com>
Subject: [PATCH v2] i2c: designware: Add a new ACPI HID for GOOG5000 I2C controller
Date: Thu, 26 Mar 2026 20:04:51 +0000 [thread overview]
Message-ID: <20260326200451.2904375-1-moritzf@google.com> (raw)
Define a new ACPI HID for GOOG5000 as used on Google Axion.
This has been validated on Silicon.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Moritz Fischer <moritzf@google.com>
---
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@linux.intel.com>
Cc: Jan Dabros <jsd@semihalf.com>
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
next reply other threads:[~2026-03-26 20:04 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2026-03-26 20:04 Moritz Fischer [this message] 2026-03-27 9:21 ` [PATCH v2] i2c: designware: Add a new ACPI HID for GOOG5000 I2C controller Andy Shevchenko 2026-03-27 13:22 ` Andi Shyti
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