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Wed, 9 Sep 2026 08:34:56 -0500 Message-ID: <685bb5f2-2a45-407e-beec-b5fbdfeaefe6@ti.com> Date: Wed, 9 Sep 2026 19:04:54 +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 1/1] arm64: dts: ti: k3-am69-aquila: Add Toradex DSI to LVDS adapter with the 10.1" V2 display To: Leonardo Costa CC: , , , , , , , , , Leonardo Costa , References: <20260803173705.2268792-1-leoreis.costa@gmail.com> <20260803173705.2268792-2-leoreis.costa@gmail.com> <29aaa2ec-c1fe-4f60-a6d1-f8c797587986@ti.com> Content-Language: en-US From: "Kumar, Udit" In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN7PEPF000000A4:EE_|SJ5PPF87E558B7D:EE_ X-MS-Office365-Filtering-Correlation-Id: 332066c7-2437-4a50-083c-08df0e774295 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|376014|23010399003|82310400026|3023799007|56012099006|10067099003|4143699003|13003099007|18002099003|22082099003; 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The adapter connects to the >>> Aquila DSI_1 interface. It is based on the Texas Instruments SN65DSI84 >>> DSI-to-LVDS bridge and drives an Opto Logic SCX1001511GGC49 10.1" WXGA TFT >>> LCD LVDS panel. Touch input is provided by an ILITEK ILI251x capacitive >>> touch controller. >>> >>> Link: https://developer.toradex.com/hardware/accessories/add-ons/dsi-lvds-adapter >>> Link: https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds >>> Signed-off-by: Leonardo Costa >>> --- >>> arch/arm64/boot/dts/ti/Makefile | 5 + >>> ...dsi-to-lvds-v2-panel-cap-touch-10inch.dtso | 153 ++++++++++++++++++ >>> 2 files changed, 158 insertions(+) >>> create mode 100644 arch/arm64/boot/dts/ti/k3-am69-aquila-dsi-to-lvds-v2-panel-cap-touch-10inch.dtso >>> >>> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile >>> index f4d109ef6798a..8a59fc597aede 100644 >>> --- a/arch/arm64/boot/dts/ti/Makefile >>> +++ b/arch/arm64/boot/dts/ti/Makefile >>> @@ -218,6 +218,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am69-aquila-dev.dtb >>> [..] >>> + >>> + panel-lvds-bridge { >>> + compatible = "optologic,scx1001511ggc49", "panel-lvds"; >> >>> + backlight = <&backlight_pwm3>; >>> + data-mapping = "vesa-24"; >>> + height-mm = <136>; >>> + width-mm = <217>; >>> + >>> + panel-timing { >>> + clock-frequency = <70000000>; >> >> Looking at >> https://lore.kernel.org/linux-arm-kernel/20260623195741.495734-1-leoreis.costa@gmail.com/T/#mc4ed25e5253da6dc635fd3eddc317dac8f447f3e >> >> >> you are using three different clock-freq 69500000, 64500000 and >> 70000000 here. >> Could add some comment here, why freq is adjusted. > > Just to confirm it, considering my last reply, do I understand correctly > that you want a v2 of this patch that adds this comment? In the end, these > are just values that we found to work consistently with the bridge, and > we're not sure if this comment would add much value. Still adding comments will be helpful. If someone taking this panel code as reference on other SOC/Board, then they will be aware of clock-freq needs to adjusted. Thanks Udit > Kind regards, > Leonardo