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([109.52.116.145]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-69e6ffbab34sm931684a12.14.2026.07.17.08.15.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2026 08:15:01 -0700 (PDT) From: Luca Leonardo Scorcia To: linux-mediatek@lists.infradead.org Cc: Luca Leonardo Scorcia , Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Philipp Zabel , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/7] watchdog: mediatek: Add wdt/toprgu resets for MT6589 Date: Fri, 17 Jul 2026 17:11:09 +0200 Message-ID: <20260717151134.678839-3-l.scorcia@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260717151134.678839-1-l.scorcia@gmail.com> References: <20260717151134.678839-1-l.scorcia@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit According to Android sources, MT6589 has 12 reset bits in the WDT_SWSYSRST register. Populate toprgu_sw_rst_num to allow toprgu resets in device trees of the many compatible devices. Signed-off-by: Luca Leonardo Scorcia --- drivers/watchdog/mtk_wdt.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 91d110646e16..e61f6ae74327 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -10,6 +10,7 @@ */ #include +#include #include #include #include @@ -88,6 +89,10 @@ static const struct mtk_wdt_data mt2712_data = { .toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM, }; +static const struct mtk_wdt_data mt6589_data = { + .toprgu_sw_rst_num = MT6589_TOPRGU_SW_RST_NUM, +}; + static const struct mtk_wdt_data mt6735_data = { .toprgu_sw_rst_num = MT6735_TOPRGU_RST_NUM, }; @@ -493,7 +498,7 @@ static int mtk_wdt_resume(struct device *dev) static const struct of_device_id mtk_wdt_dt_ids[] = { { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data }, - { .compatible = "mediatek,mt6589-wdt" }, + { .compatible = "mediatek,mt6589-wdt", .data = &mt6589_data }, { .compatible = "mediatek,mt6735-wdt", .data = &mt6735_data }, { .compatible = "mediatek,mt6795-wdt", .data = &mt6795_data }, { .compatible = "mediatek,mt7986-wdt", .data = &mt7986_data }, -- 2.43.0