From nobody Mon Sep 28 21:11:03 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 986503F39CA; Mon, 17 Aug 2026 10:23:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786962200; cv=none; b=keullmMbJX44woj4t6lTdQcAUkVe1V1SojkCTtwTPNtUUXlkQRXtTpoJnDWzo819oEWFN9KLrkTbWxTcMtpUXV9lGME6KjcSoWrIid5s5Brj49P0vB4I8sLdOOzTb8pg7zmAL/yNVXwQQb2DxpNparBi6U6iLVri9QB8Cllvcc8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786962200; c=relaxed/simple; bh=zbpNs5SzoNAXUxbDPjp0uaozQKr5i40j4+TUkEZPwcU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Xpifb9jXpjROjXpUNQSohSx5i1ajIwHLXIViwkqBo/Lt09FrVaXwSF1jgjxU9nbJhCPFRMqleaRYGbsPZFs4TUfcZHteaNrKy7Awv3s+QtFCErkJT4K9FEWc95e+j+w2SqlAk9XJPodXz+LTQmenZxbaMGWyZnhVaT5yCtpcBRY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GuJn6DYa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GuJn6DYa" Received: by smtp.kernel.org (Postfix) with ESMTPS id 31175C2BCB3; Mon, 17 Aug 2026 10:23:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1786962200; bh=zbpNs5SzoNAXUxbDPjp0uaozQKr5i40j4+TUkEZPwcU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=GuJn6DYaJLbt+Rhd+K7LJmh+RQK7jRQEyvKHxLzBVfh80oBNKo65mkgXmJ61/VzDf OnMHpG/MNozm/eNb8xoEvXeUeN3IrcQQer6sOYmc5dIH8TZ5QUabJy1HiU4q0QML32 ZpRnNOB5COJSTaYvhRzF1NYdM/cL2JtBpZihtZxpK5QUOXuIm93HgPHWMg03D9fVXw BrIr0FzUw/n7MyzQ4D78555sDOPoIytTAGe2qt6qVmDfg2vNaOWFdrkOrOCYHO1Dy5 /S8w4w5XB5IeYboe67AGUS0dZo07HJKzmG2Dv6KCFomezIvPFash1AVbohZHOvHy9D 4ykeJ1gnkOo3A== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 067BCC5B572; Mon, 17 Aug 2026 10:23:20 +0000 (UTC) From: Aiden Isik via B4 Relay Date: Mon, 17 Aug 2026 11:22:52 +0100 Subject: [PATCH 1/2] dt-bindings: watchdog: samsung-wdt: Add exynos5515-wdt compatible Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260817-for-next-lucky7-watchdog-v1-1-a14370e20b92@member.fsf.org> References: <20260817-for-next-lucky7-watchdog-v1-0-a14370e20b92@member.fsf.org> In-Reply-To: <20260817-for-next-lucky7-watchdog-v1-0-a14370e20b92@member.fsf.org> To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , Alim Akhtar Cc: Krzysztof Kozlowski , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Aiden Isik X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2310; i=aidenisik@member.fsf.org; h=from:subject:message-id; bh=qmqcVgcTJyX2r6r452NiYreHT9JlZHTUJh1Zj91t7tY=; b=owEBbQKS/ZANAwAIAUknAbLEetfrAcsmYgBqguEVSqyad5mbh50KvxR6h8JL+fob6cbZzG81r m3KGiLBUjmJAjMEAAEIAB0WIQSDy8UkXGpc3JNbEaVJJwGyxHrX6wUCaoLhFQAKCRBJJwGyxHrX 6yeID/9+fPUN80oI5yjbiuhjOdxKIKr4czeAw0blx24qTHegF/0nCcc5T4C12+GI6/S0WjoFqV2 eU7LOT0M1b0b/zvgI5D0juUW0VQMjVHY5UKB+mP+pdsoAZhmzVYyF+UcwMZ5k8Ji3MoXH1W/iru cJYyzK3GnZJYtmJ12NweWOB44jEDagQzD/eRXJGO4wB08hQ8eZfeJyzQIS1Tj46S0HHyY/PGglJ jM35iy+sXfzj++Vzcg0alfj9zHhGe2gK3TkJhEjvFFZgTfishoanivImmJlbW67q+18pSHlcly2 MxcW9gFSkpyKCOjW2WDr/qUyaoAT6j5Mrupe04JGxzDVT6jUow0iTnE0Vwz5L6p4Vc91ctJrJUI s16RB55tXadgxpguAjvlF8uXHaOJGlnp/XcgAdygrNuLZpWoy8Rf1YRqETJzluqsQuLTB6GmRwm GxEtIASUoj8BBG0/Zb0z3uMlgxeXC6wkRzQiC1zJwwuXoLU4SLCvG1Tlt2LpZ0NBXRiCZhPS+1h eioSVKwekmk3OzcqPFVT+FN+5LfQwBBKFQ0Z54Sx7T8cneR0bjPjRrKgHzz+uB+t5yjOlIG5P4m 47GeA+u1rFWaK3CTLIWvZha5cFq2X57OT4BFc69PX+Ym1jdmH1W+Xt9sLjjJ07n5qsFBUAI7/m+ 05qAwcAZ1wr00Bg== X-Developer-Key: i=aidenisik@member.fsf.org; a=openpgp; fpr=83CBC5245C6A5CDC935B11A5492701B2C47AD7EB X-Endpoint-Received: by B4 Relay for aidenisik@member.fsf.org/default with auth_id=956 X-Original-From: Aiden Isik Reply-To: aidenisik@member.fsf.org From: Aiden Isik Add a dt-binding compatible for the Exynos5515 watchdog timer. This watchdog requires a syscon phandle, and the cluster index should *not* be specified, as that does not make sense on the Exynos5515 SoC (due to it only having a single core cluster). Signed-off-by: Aiden Isik --- .../devicetree/bindings/watchdog/samsung-wdt.yaml | 22 ++++++++++++++++++= +++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml b/= Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml index 41aee1655b0c..9e754404848b 100644 --- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml @@ -22,6 +22,7 @@ properties: - samsung,s3c6410-wdt # for S3C6410, S5PV210 a= nd Exynos4 - samsung,exynos5250-wdt # for Exynos5250 - samsung,exynos5420-wdt # for Exynos5420 + - samsung,exynos5515-wdt # for Exynos5515 - samsung,exynos7-wdt # for Exynos7 - samsung,exynos850-wdt # for Exynos850 - samsung,exynos990-wdt # for Exynos990 @@ -57,7 +58,7 @@ properties: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle to the PMU system controller node (in case of Exynos5250, - Exynos5420, Exynos7, Exynos850, Exynos990 and gs101). + Exynos5420, Exynos5515, Exynos7, Exynos850, Exynos990 and gs101). =20 required: - compatible @@ -93,6 +94,25 @@ allOf: - samsung,cluster-index - samsung,syscon-phandle =20 + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos5515-wdt + then: + properties: + clocks: + items: + - description: Bus clock, used for register interface + - description: Source clock (driving watchdog counter) + clock-names: + items: + - const: watchdog + - const: watchdog_src + required: + - samsung,syscon-phandle + - if: properties: compatible: --=20 2.54.0 From nobody Mon Sep 28 21:11:03 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 986D23F39E5; 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a=openpgp; fpr=83CBC5245C6A5CDC935B11A5492701B2C47AD7EB X-Endpoint-Received: by B4 Relay for aidenisik@member.fsf.org/default with auth_id=956 X-Original-From: Aiden Isik Reply-To: aidenisik@member.fsf.org From: Aiden Isik Add driver data for the Exynos5515 SoC's watchdog timer. Signed-off-by: Aiden Isik --- drivers/watchdog/s3c2410_wdt.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index e31f93db0509..7299dfdb0c09 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -232,6 +232,16 @@ static const struct s3c2410_wdt_variant drv_data_exyno= s5420 =3D { QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_AUTO_DISABLE, }; =20 +static const struct s3c2410_wdt_variant drv_data_exynos5515 =3D { + .mask_reset_reg =3D EXYNOSAUTOV920_CLUSTER0_NONCPU_INT_EN, + .mask_bit =3D 2, + .rst_stat_reg =3D EXYNOS5_RST_STAT_REG_OFFSET, + .rst_stat_bit =3D 24, + .quirks =3D QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET | \ + QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_AUTO_DISABLE | \ + QUIRK_HAS_DBGACK_BIT, +}; + static const struct s3c2410_wdt_variant drv_data_exynos7 =3D { .disable_reg =3D EXYNOS5_WDT_DISABLE_REG_OFFSET, .mask_reset_reg =3D EXYNOS5_WDT_MASK_RESET_REG_OFFSET, @@ -379,6 +389,8 @@ static const struct of_device_id s3c2410_wdt_match[] = =3D { .data =3D &drv_data_exynos5250 }, { .compatible =3D "samsung,exynos5420-wdt", .data =3D &drv_data_exynos5420 }, + { .compatible =3D "samsung,exynos5515-wdt", + .data =3D &drv_data_exynos5515 }, { .compatible =3D "samsung,exynos7-wdt", .data =3D &drv_data_exynos7 }, { .compatible =3D "samsung,exynos850-wdt", --=20 2.54.0