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Tue, 13 Jan 2026 07:15:08 -0600 Received: from [10.250.150.72] ([10.250.150.72]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 60DDF3Uu2189382; Tue, 13 Jan 2026 07:15:04 -0600 Message-ID: Date: Tue, 13 Jan 2026 18:45:02 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/2] arm64: dts: ti: k3-j784s4-j742s2-main-common.dtsi: Refactor watchdog instances for j784s4 To: Abhash Kumar Jha , , , , , , CC: , , , , , References: <20260112085113.3476193-1-a-kumar2@ti.com> <20260112085113.3476193-3-a-kumar2@ti.com> Content-Language: en-US From: "Kumar, Udit" In-Reply-To: <20260112085113.3476193-3-a-kumar2@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00020E64:EE_|DS0PR10MB6975:EE_ X-MS-Office365-Filtering-Correlation-Id: e97c06da-8d5f-4013-f276-08de52a5d0e2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|34020700016|1800799024|376014|82310400026; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jan 2026 13:15:25.9641 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e97c06da-8d5f-4013-f276-08de52a5d0e2 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00020E64.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR10MB6975 On 1/12/2026 2:21 PM, Abhash Kumar Jha wrote: > Each A72 core has one watchdog instance associated with it. Since j742s2 > has 4 A72 cores, the common file should not define 8 watchdog instances. > > Refactor the last 4 extra watchdogs from the common file to j784s4 > specific file, as j784s4 has 8 A72 cores and thus hardware description > requires 8 watchdog instances. > > Fixes: 9cc161a4509c ("arm64: dts: ti: Refactor J784s4 SoC files to a common file") > Signed-off-by: Abhash Kumar Jha > --- > .../dts/ti/k3-j784s4-j742s2-main-common.dtsi | 36 ------------------- > arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 36 +++++++++++++++++++ > 2 files changed, 36 insertions(+), 36 deletions(-) > > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi > index 9cc0901d58fb..c2636e624f18 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi > @@ -2378,42 +2378,6 @@ watchdog3: watchdog@2230000 { > assigned-clock-parents = <&k3_clks 351 4>; > }; > > - watchdog4: watchdog@2240000 { > - compatible = "ti,j7-rti-wdt"; > - reg = <0x00 0x2240000 0x00 0x100>; > - clocks = <&k3_clks 352 0>; > - power-domains = <&k3_pds 352 TI_SCI_PD_EXCLUSIVE>; > - assigned-clocks = <&k3_clks 352 0>; > - assigned-clock-parents = <&k3_clks 352 4>; > - }; > - > [..] > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > index 5b7830a3c097..78fcd0c40abc 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > @@ -6,6 +6,42 @@ > */ > > &cbass_main { > + watchdog4: watchdog@2240000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2240000 0x00 0x100>; > + clocks = <&k3_clks 352 0>; > + power-domains = <&k3_pds 352 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 352 0>; > + assigned-clock-parents = <&k3_clks 352 4>; > + }; [..] For this patch Reviewed-by: Udit Kumar