linux-kernel - [PATCH] watchdog: apple: Add "apple,t8103-wdt" compatible

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Message-Id: <20251231-watchdog-apple-t8103-base-compat-v1-1-1702a02e0c45@jannau.net>
Date: Wed, 31 Dec 2025 13:07:21 +0100
From: Janne Grunau <j@...nau.net>
To: Sven Peter <sven@...nel.org>, Neal Gompa <neal@...pa.dev>, 
 Wim Van Sebroeck <wim@...ux-watchdog.org>, 
 Guenter Roeck <linux@...ck-us.net>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org, 
 stable@...r.kernel.org, Janne Grunau <j@...nau.net>
Subject: [PATCH] watchdog: apple: Add "apple,t8103-wdt" compatible

After discussion with the devicetree maintainers we agreed to not extend
lists with the generic compatible "apple,wdt" anymore [1]. Use
"apple,t8103-wdt" as base compatible as it is the SoC the driver and
bindings were written for.

[1]: https://lore.kernel.org/asahi/12ab93b7-1fc2-4ce0-926e-c8141cfe81bf@kernel.org/

Fixes: 4ed224aeaf66 ("watchdog: Add Apple SoC watchdog driver")
Cc: stable@...r.kernel.org
Reviewed-by: Neal Gompa <neal@...pa.dev>
Signed-off-by: Janne Grunau <j@...nau.net>
---
This is split off from the v1 series adding Apple M2 Pro/Max/Ultra
device trees in [2].

2: https://lore.kernel.org/r/20250828-dt-apple-t6020-v1-0-507ba4c4b98e@jannau.net
---
 drivers/watchdog/apple_wdt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/apple_wdt.c b/drivers/watchdog/apple_wdt.c
index 66a158f67a712bbed394d660071e02140e66c2e5..6b9b0f9b05cedfd7fc5d0d79ba19ab356dc2a080 100644
--- a/drivers/watchdog/apple_wdt.c
+++ b/drivers/watchdog/apple_wdt.c
@@ -218,6 +218,7 @@ static int apple_wdt_suspend(struct device *dev)
 static DEFINE_SIMPLE_DEV_PM_OPS(apple_wdt_pm_ops, apple_wdt_suspend, apple_wdt_resume);
 
 static const struct of_device_id apple_wdt_of_match[] = {
+	{ .compatible = "apple,t8103-wdt" },
 	{ .compatible = "apple,wdt" },
 	{},
 };

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251231-watchdog-apple-t8103-base-compat-8a623e9831b6

Best regards,
-- 
Janne Grunau <j@...nau.net>