2023-08-10 12:58:39

by Alexander Ofitserov

[permalink] [raw]
Subject: [PATCH 1/3] i2c: i801: Add support for Intel Alder Lake PCH

Add PCI ID of SMBus controller on Intel Alder Lake PCH-P and PCH-M

Signed-off-by: Alexander Ofitserov <[email protected]>
---
drivers/i2c/busses/i2c-i801.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 45682d30d70567..8ca530ef3ba6f6 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -72,6 +72,8 @@
* Jasper Lake (SOC) 0x4da3 32 hard yes yes yes
* Comet Lake-V (PCH) 0xa3a3 32 hard yes yes yes
* Alder Lake-S (PCH) 0x7aa3 32 hard yes yes yes
+ * Alder Lake-P (PCH) 0x51a3 32 hard yes yes yes
+ * Alder Lake-M (PCH) 0x54a3 32 hard yes yes yes
*
* Features supported by this driver:
* Software PEC no
@@ -228,6 +230,8 @@
#define PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS 0x43a3
#define PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS 0x4b23
#define PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS 0x4da3
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS 0x51a3
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS 0x54a3
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS 0x7aa3
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
@@ -1080,6 +1084,8 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS) },
{ 0, }
};

@@ -1769,6 +1775,8 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
case PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS:
case PCI_DEVICE_ID_INTEL_EBG_SMBUS:
case PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS:
+ case PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS:
+ case PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS:
priv->features |= FEATURE_BLOCK_PROC;
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;
--
2.33.8