From: huaqian.li@siemens.com
To: wim@linux-watchdog.org, linux@roeck-us.net, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org
Cc: huaqianlee@gmail.com, nm@ti.com, vigneshr@ti.com,
kristo@kernel.org, linux-watchdog@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, jan.kiszka@siemens.com,
baocheng.su@siemens.com, Li Hua Qian <huaqian.li@siemens.com>
Subject: [PATCH v6 0/3] Add support for WDIOF_CARDRESET on TI AM65x
Date: Tue, 18 Jul 2023 10:10:04 +0800 [thread overview]
Message-ID: <20230718021007.1338761-1-huaqian.li@siemens.com> (raw)
From: Li Hua Qian <huaqian.li@siemens.com>
The watchdog hardware of TI AM65X platform does not support
WDIOF_CARDRESET feature, add a reserved memory to save the watchdog
reset cause, to know if the board reboot is due to a watchdog reset.
Signed-off-by: Li Hua Qian <huaqian.li@siemens.com>
---
Changes in v6:
- Integrate example with the existing binding.
- Link to v5:
https://lore.kernel.org/linux-watchdog/20230717064124.1315746-1-huaqian.li@siemens.com
Changes in v5:
- Corret the `Reviewed-by` info.
- Link to v4:
https://lore.kernel.org/linux-watchdog/20230717040723.1306374-1-huaqian.li@siemens.com
Changes in v4:
- Fix the coding style.
- Add usage note for the reserved memory.
- Link to v3:
https://lore.kernel.org/linux-watchdog/20230713095127.1230109-1-huaqian.li@siemens.com
Changes in v3:
- Add memory-region back for the reserved memory, and remove reserved
memory from the watchdog IO address space.
- Add changelog.
- Link to v2:
https://lore.kernel.org/linux-watchdog/20230711091713.1113010-1-huaqian.li@siemens.com
Changes in v2:
- Remove memory-region and memory-size properties, and bind the reserved
memory to watchdog IO address space.
- Remove the unnecessary rti_wdt_ioctl.
- Fix the mail list
- Link to v1:
https://lore.kernel.org/all/3137d87e56ef75ba0b8a923d407b2fecace6ccbd.camel@siemens.com
v1 had a wrong mail list at the beginning, and the mail thread was
messed up.
Li Hua Qian (3):
dt-bindings: watchdog: ti,rti-wdt: Add support for WDIOF_CARDRESET
arm64: dts: ti: Add reserved memory for watchdog
watchdog:rit_wdt: Add support for WDIOF_CARDRESET
.../bindings/watchdog/ti,rti-wdt.yaml | 28 ++++++++++-
.../boot/dts/ti/k3-am65-iot2050-common.dtsi | 10 ++++
drivers/watchdog/rti_wdt.c | 48 +++++++++++++++++++
3 files changed, 85 insertions(+), 1 deletion(-)
--
2.34.1
next reply other threads:[~2023-07-18 2:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-18 2:10 huaqian.li [this message]
2023-07-18 2:10 ` [PATCH v6 1/3] dt-bindings: watchdog: ti,rti-wdt: Add support for WDIOF_CARDRESET huaqian.li
2023-07-19 7:46 ` Krzysztof Kozlowski
2023-07-19 13:39 ` Guenter Roeck
2023-07-18 2:10 ` [DONOTMERGE PATCH v6 2/3] arm64: dts: ti: Add reserved memory for watchdog huaqian.li
2023-07-18 2:10 ` [PATCH v6 3/3] watchdog:rit_wdt: Add support for WDIOF_CARDRESET huaqian.li
2023-07-19 13:38 ` Guenter Roeck
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