From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mta-65-227.siemens.flowmailer.net ([185.136.65.227]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qLFWZ-001mqK-1q for linux-arm-kernel@lists.infradead.org; Mon, 17 Jul 2023 04:07:54 +0000 Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 202307170407438754ecdd673d16a8d6 for ; Mon, 17 Jul 2023 06:07:44 +0200 From: huaqian.li@siemens.com Subject: [PATCH v4 0/3] Add support for WDIOF_CARDRESET on TI AM65x Date: Mon, 17 Jul 2023 12:07:20 +0800 Message-Id: <20230717040723.1306374-1-huaqian.li@siemens.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+lwn-linux-arm-kernel=archive.lwn.net@lists.infradead.org List-Archive: 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 From: Li Hua Qian 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 --- 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 | 41 ++++++++++++++++ .../boot/dts/ti/k3-am65-iot2050-common.dtsi | 10 ++++ drivers/watchdog/rti_wdt.c | 48 +++++++++++++++++++ 3 files changed, 99 insertions(+) -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel