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Wed, 5 Nov 2025 08:22:42 -0600 Date: Wed, 5 Nov 2025 08:22:42 -0600 From: Bryan Brattlof To: Sascha Hauer CC: Nishanth Menon , Vignesh Raghavendra , "Andrew Davis" , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , "Tony Lindgren" , , , , Subject: Re: [PATCH v7 2/3] arm64: dts: ti: k3-am62l: add initial infrastructure Message-ID: <20251105142242.gly4brezn4lnlfkv@bryanbrattlof.com> X-PGP-Fingerprint: D3D1 77E4 0A38 DF4D 1853 FEEF 41B9 0D5D 71D5 6CE0 References: <20251031-am62lx-v7-0-cb426be9d6ee@ti.com> <20251031-am62lx-v7-2-cb426be9d6ee@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline In-Reply-To: X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F5:EE_|DM3PPF8E7C782BE:EE_ X-MS-Office365-Filtering-Correlation-Id: 482cdc45-5c6d-41dc-0229-08de1c76cbfe X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|34020700016|36860700013|7416014|376014|1800799024; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Nov 2025 14:22:48.6209 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 482cdc45-5c6d-41dc-0229-08de1c76cbfe 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: CO1PEPF000044F5.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PPF8E7C782BE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251105_062259_793003_D2CC6E78 X-CRM114-Status: GOOD ( 14.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On November 3, 2025 thus sayeth Sascha Hauer: > On Fri, Oct 31, 2025 at 09:08:05AM -0500, Bryan Brattlof wrote: > > + gpio0: gpio@600000 { > > + compatible = "ti,am64-gpio", "ti,keystone-gpio"; > > + reg = <0x00 0x00600000 0x00 0x100>; > > + gpio-controller; > > + #gpio-cells = <2>; > > + interrupt-parent = <&gic500>; > > + interrupts = , > > + , > > + , > > + , > > + , > > + , > > + , > > + ; > > + interrupt-controller; > > + #interrupt-cells = <2>; > > + power-domains = <&scmi_pds 34>; > > + clocks = <&scmi_clk 140>; > > + clock-names = "gpio"; > > + ti,ngpio = <126>; > > + ti,davinci-gpio-unbanked = <0>; > > + status = "disabled"; > > Virtually all boards use GPIOs and a GPIO controller doesn't have any > external dependencies, so could you enable them by default like done on > many other SoCs? > Yeah that is fair. I'll enable this. > > + > > + target-module@2b300050 { > > + compatible = "ti,sysc-omap2", "ti,sysc"; > > + reg = <0x00 0x2b300050 0x00 0x4>, > > + <0x00 0x2b300054 0x00 0x4>, > > + <0x00 0x2b300058 0x00 0x4>; > > + reg-names = "rev", "sysc", "syss"; > > + ranges = <0x00 0x00 0x2b300000 0x100000>; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + power-domains = <&scmi_pds 83>; > > + clocks = <&scmi_clk 324>; > > + clock-names = "fck"; > > + ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP | > > + SYSC_OMAP2_SOFTRESET | > > + SYSC_OMAP2_AUTOIDLE)>; > > + ti,sysc-sidle = , > > + , > > + , > > + ; > > + ti,syss-mask = <1>; > > + ti,no-reset-on-init; > > + status = "disabled"; > > This node is present on many other TI SoCs, all I have looked at have > this node enabled by default. I think it makes sense to have this node > enabled given that it has child nodes like this UART: > I agree as well. Thanks again Sascha ~Bryan