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Tue, 3 Mar 2026 08:04:20 -0600 Received: from [10.249.42.149] ([10.249.42.149]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 623E4JPq2230814; Tue, 3 Mar 2026 08:04:19 -0600 Message-ID: <7d8582bc-e88d-40a7-be39-57045fa4c010@ti.com> Date: Tue, 3 Mar 2026 08:04:19 -0600 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 1/4] arm64: dts: ti: k3-j721s2-main: Add mmio-sram node to main_navss To: Brandon Brnich , , , , , , , , , References: <20260302181800.445653-1-b-brnich@ti.com> Content-Language: en-US From: Andrew Davis In-Reply-To: <20260302181800.445653-1-b-brnich@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: SJ5PEPF000001EA:EE_|MW4PR10MB6299:EE_ X-MS-Office365-Filtering-Correlation-Id: d2d86b30-48b8-45a5-8a8c-08de792dcf6d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|34020700016|1800799024|82310400026|921020; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.21.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet200.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(376014)(36860700013)(34020700016)(1800799024)(82310400026)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Hy/jYxVnBtmoBJoJrsjIWLKaSJhlYy5W4VEIjY1Yj5L8MuJ+j7WiLxGI63QrnXwF0/aHxqX4lafcI9sRPuyAmBLqBZwS80Ux9v1gvZdM4cMgzZ7PwcMY0fHsN6Oz0vCTcsigMXnb/BVFiNUsJWqHaWiRrk2/be72EO1MWJQs0skG6UHHvKvbU8rgg5HiWBD4xUPg26mYlj5AS0+BpaAKWulhzp1QoIaWiAdt0UvITPRl0Rdfe3Q2DTBv/uDf0SYnhkgehipEiikfnMgP/IUhkV6rg6jzGxdTsADP4tEyxgTvKVKy+F14z7D8auglL4WDJ+g0CNuaNL/z7vx5Hfr3ENB3sW8/Q7uF2L980UVdl7+UV59d3hhdqR66d9nnhAxHzc/1MjXsV8KiG/ZIi1i9Jddc/SdEeMpp+LsJ30Gmnsnty5JmIF923U6iC4DLeFra X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Mar 2026 14:04:39.2369 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d2d86b30-48b8-45a5-8a8c-08de792dcf6d X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001EA.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR10MB6299 On 3/2/26 12:17 PM, Brandon Brnich wrote: > The NavigatorSS (NAVSS) address space contains a 64 KiB on-chip SRAM > region at its base address. Add an mmio-sram node to expose this region > to consumers via the generic SRAM allocator API. > > Signed-off-by: Brandon Brnich > --- Reviewed-by: Andrew Davis > arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > index 80c51b11ac9f..7b1ba34ab719 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi > @@ -785,6 +785,14 @@ main_navss: bus@30000000 { > dma-coherent; > dma-ranges; > > + main_navss_sram: navss-sram@30000000 { > + compatible = "mmio-sram"; > + reg = <0x00 0x30000000 0x00 0x10000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0x0 0x00 0x30000000 0x10000>; > + }; > + > main_navss_intr: interrupt-controller@310e0000 { > compatible = "ti,sci-intr"; > reg = <0x00 0x310e0000 0x00 0x4000>;