[PATCH] watchdog: iTCO: Add support for Intel Tiger Lake-H

[Henning Schild]

found in i.e. Simatic IPC427G

Signed-off-by: Henning Schild <henning...@siemens.com>
---
drivers/watchdog/itco.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/watchdog/itco.c b/drivers/watchdog/itco.c
index 183300af3dce..037c20309197 100644
--- a/drivers/watchdog/itco.c
+++ b/drivers/watchdog/itco.c
@@ -39,6 +39,7 @@ enum iTCO_chipsets {
ITCO_INTEL_LPC_LP,
ITCO_INTEL_WBG,
ITCO_INTEL_EHL,
+ ITCO_INTEL_TLH,
};

enum iTCO_versions {
@@ -156,6 +157,12 @@ static const iTCO_info iTCO_chipset_info[] = {
.pci_id = 0x4b23,
.itco_version = ITCO_V6,
},
+ [ITCO_INTEL_TLH] =
+ {
+ .name = L"Tiger Lake-H",
+ .pci_id = 0x43a3,
+ .itco_version = ITCO_V6,
+ },
};

static BOOLEAN itco_supported(UINT16 pci_device_id, UINT8 *index)
--
2.35.1

[Jan Kiszka]

Thanks. How did you identify the right itco_version?

Jan

--
Siemens AG, Technology
Competence Center Embedded Linux

[Henning Schild]

Am Fri, 7 Oct 2022 16:41:29 +0200
schrieb Jan Kiszka <jan.k...@siemens.com>:

Linux 5.10 used the iTCO_wdt driver and told me in the kernel log. On
5.18 it used WDAT so it would be hidden. So i guess i was lucky i did
all that with isar-cip-core and that old 5.10.

Henning

> Jan
>

[Jan Kiszka]

Thanks, applied.