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Sun, 31 May 2026 04:42:09 -0500 Received: from [172.24.233.149] (ws.dhcp.ti.com [172.24.233.149]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 64V9g4RS3529053; Sun, 31 May 2026 04:42:05 -0500 Message-ID: <7d29b011-92c2-4a80-80a5-6e49950cd84a@ti.com> Date: Sun, 31 May 2026 15:12:04 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/4] arm64: dts: ti: k3-am67a-beagley-ai: Add DSI0/CSI1 mux To: Jai Luthra , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" CC: Robert Nelson , Andrew Davis , Devarsh Thakkar , Tomi Valkeinen , , , References: <20260515-beagley-cameras-v2-0-f6acb66c9995@ideasonboard.com> <20260515-beagley-cameras-v2-2-f6acb66c9995@ideasonboard.com> Content-Language: en-US From: Rishikesh Donadkar In-Reply-To: <20260515-beagley-cameras-v2-2-f6acb66c9995@ideasonboard.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: MWH0EPF000A6735:EE_|DM4PR10MB7527:EE_ X-MS-Office365-Filtering-Correlation-Id: db91e812-0f8b-4d81-510a-08debef8e2e7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|82310400026|7416014|376014|22082099003|3023799007|18002099003|56012099006|4143699003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: CLxqlJMkU9+Navk6dRKhFDabc8KU+9YwuZZbAdzcu/t1g8IpebmoSNGNNStGKI2F1BCe1ivxIZkoWKAcDky4nzPYD1ivf/ItiyFKhfFURn9G1ZgQzKT3QYbjRmZ36jNRF1YgBjVjFjG15xYmqvedGOQpww+zKnQkhSAfASdKb80X/abl6rlR4FkiSYcauKrv6T4t5Vjfm3zxNNwC1zy60ur18+5iahwrDhcVePrRTFrsrwGBOZ0gmkdEtBt5KbCYqJ1X9ArmEYmUbvN71s2PZc5fSM3DC08Kg8pxB3nWLyikei+4awz0C9t29aBApCM+VefeCfee5JPz7Kc03TcZn/fDzRfhNvI91iQK5ppCcCpOg/KzAd9iJ7unI6xnif2vaUYfgI5qHCCzILf+K6tnvNT5sN5ywtpo3RC3ywObDzbNClQO7osC9gdrYjEi6Fag X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 May 2026 09:42:09.9864 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: db91e812-0f8b-4d81-510a-08debef8e2e7 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000A6735.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR10MB7527 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260531_024217_666899_33007A15 X-CRM114-Status: GOOD ( 14.87 ) 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 15/05/26 06:46, Jai Luthra wrote: > The DSI0 connector is shared withe CSI1 and selectable via the TMUX646 > switch present on the board. Model it using a gpio-mux so that camera > sensor or DSI panel overlays can override it. > > Signed-off-by: Jai Luthra Hi Jai, Thank you for the patch Reviewed-by: Rishikesh Donadkar Rishikesh > --- > arch/arm64/boot/dts/ti/k3-am67a-beagley-ai.dts | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am67a-beagley-ai.dts b/arch/arm64/boot/dts/ti/k3-am67a-beagley-ai.dts > index 06aac02a7668..041aee2cd5b1 100644 > --- a/arch/arm64/boot/dts/ti/k3-am67a-beagley-ai.dts > +++ b/arch/arm64/boot/dts/ti/k3-am67a-beagley-ai.dts > @@ -146,6 +146,19 @@ led-1 { > default-state = "on"; > }; > }; > + > + dsi_csi_mux: mux-controller { > + compatible = "gpio-mux"; > + #mux-state-cells = <1>; > + pinctrl-names = "default"; > + pinctrl-0 = <&dsi_csi_mux_pins_default>; > + > + mux-gpios = <&main_gpio0 2 GPIO_ACTIVE_HIGH>, > + <&main_gpio0 1 GPIO_ACTIVE_HIGH>; > + > + /* state = SEL + 2*OE : 0 = DSI0, 1 = CSI1, 2,3 = off */ > + idle-state = <2>; > + }; > }; > > &main_pmx0 { > @@ -199,6 +212,13 @@ J722S_IOPAD(0x015c, PIN_INPUT, 0) /* (AD25) MDIO0_MDIO */ > >; > }; > > + dsi_csi_mux_pins_default: dsi-csi-mux-default-pins { > + pinctrl-single,pins = < > + J722S_IOPAD(0x0004, PIN_OUTPUT, 7) /* (L23) OSPI0_LBCLKO.GPIO0_1 */ > + J722S_IOPAD(0x0008, PIN_OUTPUT, 7) /* (L22) OSPI0_DQS.GPIO0_2 */ > + >; > + }; > + > rgmii1_pins_default: rgmii1-default-pins { > pinctrl-single,pins = < > J722S_IOPAD(0x014c, PIN_INPUT, 0) /* (AC25) RGMII1_RD0 */ >