linux-kernel - [PATCH] mei: me: Add itouch device IDs for SPT / ICP

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Date:   Mon,  1 Jun 2020 17:59:54 +0200
From:   Dorian Stoll <dorian.stoll@...p.io>
To:     Tomas Winkler <tomas.winkler@...el.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Dorian Stoll <dorian.stoll@...p.io>
Subject: [PATCH] mei: me: Add itouch device IDs for SPT / ICP

These device IDs can be found on Microsoft Surface devices.

Signed-off-by: Dorian Stoll <dorian.stoll@...p.io>
---
 drivers/misc/mei/hw-me-regs.h | 2 ++
 drivers/misc/mei/pci-me.c     | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 9392934e3a06..90e7d3020fa5 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -59,6 +59,7 @@
 
 #define MEI_DEV_ID_SPT        0x9D3A  /* Sunrise Point */
 #define MEI_DEV_ID_SPT_2      0x9D3B  /* Sunrise Point 2 */
+#define MEI_DEV_ID_SPT_4      0x9D3E  /* Sunrise Point 4 (iTouch) */
 #define MEI_DEV_ID_SPT_H      0xA13A  /* Sunrise Point H */
 #define MEI_DEV_ID_SPT_H_2    0xA13B  /* Sunrise Point H 2 */
 
@@ -90,6 +91,7 @@
 #define MEI_DEV_ID_CDF        0x18D3  /* Cedar Fork */
 
 #define MEI_DEV_ID_ICP_LP     0x34E0  /* Ice Lake Point LP */
+#define MEI_DEV_ID_ICP_LP_4   0x34E4  /* Ice Lake Point LP 4 (iTouch) */
 
 #define MEI_DEV_ID_JSP_N      0x4DE0  /* Jasper Lake Point N */
 
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index a1ed375fed37..5e621e90d8d4 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -68,6 +68,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
 
 	{MEI_PCI_DEVICE(MEI_DEV_ID_SPT, MEI_ME_PCH8_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)},
+	{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_4, MEI_ME_PCH8_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_SPS_CFG)},
@@ -94,6 +95,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
 	{MEI_PCI_DEVICE(MEI_DEV_ID_CMP_H_3, MEI_ME_PCH8_CFG)},
 
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP, MEI_ME_PCH12_CFG)},
+	{MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP_4, MEI_ME_PCH12_CFG)},
 
 	{MEI_PCI_DEVICE(MEI_DEV_ID_TGP_LP, MEI_ME_PCH15_CFG)},
 
-- 
2.26.2