The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=851dffef532ad9611fcaf02318744c8de9f397b0
commit 851dffef532ad9611fcaf02318744c8de9f397b0 Author: Defenso-EBO <[email protected]> AuthorDate: 2026-01-29 09:47:13 +0000 Commit: Warner Losh <[email protected]> CommitDate: 2026-02-01 21:22:15 +0000 ig4: Add support for Lunar Lake-M I2C this patch adds PCI IDs to the ig4(4) driver: - Lunar Lake-M (0xa878, 0xa879, 0xa87a, 0xa87b) These controllers use the Tiger Lake hardware revision of the I2C IP. Adding these IDs enables support for peripherals connected to the I2C Bus. Tested on: Intel Lunar Lake (LENOVO_MT_21QX_BU_Think_FM_ThinkPad T14s Gen 6) Signed-off-by: Defenso-EBO <[email protected]> MFC after: 2 weeks Sponsored by: Defenso Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/1995 --- sys/dev/ichiic/ig4_pci.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sys/dev/ichiic/ig4_pci.c b/sys/dev/ichiic/ig4_pci.c index 3a49e220e335..49036c6dabc9 100644 --- a/sys/dev/ichiic/ig4_pci.c +++ b/sys/dev/ichiic/ig4_pci.c @@ -192,6 +192,10 @@ static int ig4iic_pci_detach(device_t dev); #define PCI_CHIP_ARROWLAKE_U_I2C_3 0x777b8086 #define PCI_CHIP_ARROWLAKE_U_I2C_4 0x77508086 #define PCI_CHIP_ARROWLAKE_U_I2C_5 0x77518086 +#define PCI_CHIP_LUNARLAKE_M_I2C_0 0xa8788086 +#define PCI_CHIP_LUNARLAKE_M_I2C_1 0xa8798086 +#define PCI_CHIP_LUNARLAKE_M_I2C_2 0xa87a8086 +#define PCI_CHIP_LUNARLAKE_M_I2C_3 0xa87b8086 struct ig4iic_pci_device { uint32_t devid; @@ -328,6 +332,10 @@ static struct ig4iic_pci_device ig4iic_pci_devices[] = { { PCI_CHIP_ARROWLAKE_U_I2C_3, "Intel Arrow Lake-H/U I2C Controller-3", IG4_TIGERLAKE}, { PCI_CHIP_ARROWLAKE_U_I2C_4, "Intel Arrow Lake-H/U I2C Controller-4", IG4_TIGERLAKE}, { PCI_CHIP_ARROWLAKE_U_I2C_5, "Intel Arrow Lake-H/U I2C Controller-5", IG4_TIGERLAKE}, + { PCI_CHIP_LUNARLAKE_M_I2C_0, "Intel Lunar Lake-M I2C Controller-0", IG4_TIGERLAKE}, + { PCI_CHIP_LUNARLAKE_M_I2C_1, "Intel Lunar Lake-M I2C Controller-1", IG4_TIGERLAKE}, + { PCI_CHIP_LUNARLAKE_M_I2C_2, "Intel Lunar Lake-M I2C Controller-2", IG4_TIGERLAKE}, + { PCI_CHIP_LUNARLAKE_M_I2C_3, "Intel Lunar Lake-M I2C Controller-3", IG4_TIGERLAKE}, }; static int
