From nobody Thu Sep 24 13:47:18 2026 Received: from mail-wr2-f12.google.com (mail-wr2-f12.google.com [74.125.225.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58464531625 for ; Wed, 23 Sep 2026 15:53:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.76 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790178822; cv=none; b=LjXw7Xx4sVJueEEOJhzqHarA3MdmAz7glqqQT2Rm2d1JLd1YCgvDBWGgbsRhWgZLqTPxWk9zhA4ECYBAuWlJ8aRyNUXXDUhOO1JnteWkSE4KJPVFTBrx5s2shaFHmqBoGJY9mCTuRrzh3BXlLBtMil9mXlSZhjjXan439e7o0kY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790178822; c=relaxed/simple; bh=Eva+ZHizA/xOJPwrntOj0lFaBBzLravCS3cca+PXGVA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gRKkjR4ldm/tQIdACkgNBI4BYmzfXdzQTt9tlJgpHH6EL0Py9fhKpXaqM7We2Bri4w/9B4S20GnDnl328PxHh4fVOcDT1vlq3EsaTLInz25jfs+n31A+AeVsZ+iL9jfc+UEU4yvvm+0xR4MjONnPcGY7k/GuXwXRtqwm5g++9l4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com; spf=pass smtp.mailfrom=amarulasolutions.com; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b=j8pIjGOZ; arc=none smtp.client-ip=74.125.225.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amarulasolutions.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="j8pIjGOZ" Received: by mail-wr2-f12.google.com with SMTP id ffacd0b85a97d-485b1d2874fso474550f8f.0 for ; Wed, 23 Sep 2026 08:53:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1790178818; x=1790783618; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=Ogzk1zAksC1p2lO2lX+ildRtH5U/X0N5sk/kFhqIelM=; b=j8pIjGOZBsxBwo2+fqjKhUrZFOHqbjQLE68IP7zZwEhxhKsdHb1xDo5y6+Oe3LY2u+ ZtXUsHL6uYQmFsWG2XXYRHy6t0F1r1oYmo32uC2Ibj6xfpkdXGIpJ39H4HgfvUffL3xG 3qcstYCYz1sQAgbsBxC9DgXhW4NnKrGzdHrls= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790178818; x=1790783618; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=Ogzk1zAksC1p2lO2lX+ildRtH5U/X0N5sk/kFhqIelM=; b=dzO+I0zmjBNoHl9Ru+cQ1i9qx1/TZ32/5DDnU+uEILnsU9yCn4OrPSiwqtfmq1UtNf eSo9SA0M7GOUXptoCsxZaX1VvueJjkOkSYH1/6A/IxgYryYdYUWUPOJZ5Qd+ADPdvllc v0Mm7FihRfaA6bE+0B7aJ+VtvhFEpHy6iLn9nAH1XSDxuYGiCMBK6MyCwAdkhDKm1BBb 7/d4PZLa6E3Tgv9qzk3WC0PQkDwCbLKa+4G+pZ4fnVgAWjOs1OjGX9ZrDGi3UPm/dGbR A8ERy3PtnWuMLS1wOqL+yeYd2Erf8lBPaJtjtImm1/LgfbPaVH2JZ3Uknlf2c6zG//8M BOgQ== X-Forwarded-Encrypted: i=1; AKwUvBzhLs4LPHij1po8NAQOz+2EhyWPJr7If6MSt9gu4hbaafxtWrkx3jzmsnETAgUBUrEpfhLZlq+iYTi90JA=@vger.kernel.org X-Gm-Message-State: AFuF++nWG4RMnR3aUe/UblxWkPBV09gDRlosmezKJdKYygM3ptgHqgdA fleK5KtAUslVdDjl4hxh3eVczbcgPuAzsS0RiMyCdyuTd2/KMURiiiH6fvQJr21RwGc= X-Gm-Gg: AYBFou0aMqGN3VlrEneRxvjvYlgbtvBOqO4usE/8rWKHbHH2eXCmhqf/Yz4Y2kJhjP1 XIMRzv5JmkEPsdvp6usxzYplzT45bz/cMaNOXbZ6cWXBkpvID1JxH9QI1FTeVpP6CfO2R0VBtzJ Z4skkl/zQppTigTRpuW/1Efp9ejJzRU/l/HLX+HWpvVaUx/JaVYCWrL4HR7h5uGaXNlhTzkZBSE zRhbWlQPG3Q1egfFAmENd72XVkI/iyqGKWj6aUcBxx9YFcsZu9ADfwhcTEu9NOgrXmCVta7YnSS UICdzmspRaqV8kqEBZS0saHCHKnW5i6qWjLtFIvrgUI1R5sw3GavoZDBwXnVT8hAvb4CIA0HKdG tDNwolR/COMkpfUcYvIPWY3eO5EHTzfhG2o9BV8CQAsutFrezVwdlEzMA/ovjaVIKC0od5f9c8+ J7nXFEIqeTgloofE/Jzh5VGUlkg2Sb+go9rwetAU7Ys9DpB0zjSFNeBWcLRtdB1j2jRxs6KueGj EGWm297KRiphDjNRZGLr2+sZP1gCeBWg2QfShCqQl6W636BXJU1yDw/0r6Wfzx1paI= X-Received: by 2002:a05:600c:1988:b0:49b:8f5e:51fb with SMTP id 5b1f17b1804b1-49fdf3571f9mr41898745e9.3.1790178818353; Wed, 23 Sep 2026 08:53:38 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:6474:ebbf:12f8:fcfa:728a:2514]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fde1d5f10sm81858555e9.8.2026.09.23.08.53.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 08:53:37 -0700 (PDT) From: Dario Binacchi To: Alexandre Torgue , Maxime Coquelin Cc: michael@amarulasolutions.com, domenico.acri@engicam.com, linux-arm-kernel@lists.infradead.org, Marek Vasut , francesco.utel@engicam.com, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, devicetree@vger.kernel.org, Conor Dooley , Rob Herring , Krzysztof Kozlowski , linux-amarula@amarulasolutions.com, Dario Binacchi Subject: [PATCH v2 1/2] arm64: dts: st: move Engicam MicroGEA-STM32MP257D-RMM display to an overlay Date: Wed, 23 Sep 2026 17:53:09 +0200 Message-ID: <20260923155333.610134-2-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923155333.610134-1-dario.binacchi@amarulasolutions.com> References: <20260923155333.610134-1-dario.binacchi@amarulasolutions.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The board is fitted with different displays depending on the product variant. Keep in the board dts only what is common to all variants and move the RK050HR345-CT106A RGB panel and its touchscreen to an overlay. Signed-off-by: Dario Binacchi --- Changes in v2: - Keep the full cs-gpios in the board dts, the overlay only adds the panel node. Suggested by Sashiko. arch/arm64/boot/dts/st/Makefile | 6 ++ ...icrogea-rmm-overlay-rk050hr345-ct106a.dtso | 68 +++++++++++++++++++ .../st/stm32mp257d-engicam-microgea-rmm.dts | 46 +------------ 3 files changed, 75 insertions(+), 45 deletions(-) create mode 100644 arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm= -overlay-rk050hr345-ct106a.dtso diff --git a/arch/arm64/boot/dts/st/Makefile b/arch/arm64/boot/dts/st/Makef= ile index 6cbccfd50993..218ff7fdf576 100644 --- a/arch/arm64/boot/dts/st/Makefile +++ b/arch/arm64/boot/dts/st/Makefile @@ -1,7 +1,13 @@ # SPDX-License-Identifier: GPL-2.0-only +stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a-dtbs :=3D \ + stm32mp257d-engicam-microgea-rmm.dtb \ + stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a.dtbo + dtb-$(CONFIG_ARCH_STM32) +=3D \ stm32mp215f-dk.dtb \ stm32mp235f-dk.dtb \ stm32mp257d-engicam-microgea-rmm.dtb \ + stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a.dtb \ + stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a.dtbo \ stm32mp257f-dk.dtb \ stm32mp257f-ev1.dtb diff --git a/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm-overla= y-rk050hr345-ct106a.dtso b/arch/arm64/boot/dts/st/stm32mp257d-engicam-micro= gea-rmm-overlay-rk050hr345-ct106a.dtso new file mode 100644 index 000000000000..f89641bdb23b --- /dev/null +++ b/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm-overlay-rk050= hr345-ct106a.dtso @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2026 Amarula Solutions, Dario Binacchi + * Copyright (C) 2026 Engicam srl + * + * Rocktech RK050HR345-CT106A 5" 480x854 RGB panel with EDT FT5306 + * I2C touchscreen controller. + */ + +/dts-v1/; +/plugin/; + +#include +#include + +&i2c1 { + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&i2c1_pins_a>; + pinctrl-1 =3D <&i2c1_sleep_pins_a>; + i2c-scl-rising-time-ns =3D <185>; + i2c-scl-falling-time-ns =3D <20>; + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + touchscreen@38 { + compatible =3D "edt,edt-ft5306"; + reg =3D <0x38>; + interrupt-parent =3D <&gpiob>; + interrupts =3D <0 IRQ_TYPE_EDGE_FALLING>; + reset-gpios =3D <&gpiod 1 GPIO_ACTIVE_LOW>; + touchscreen-size-x =3D <480>; + touchscreen-size-y =3D <854>; + }; +}; + +<dc { + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <<dc_pins_a>; + pinctrl-1 =3D <<dc_sleep_pins_a>; + status =3D "okay"; + + port { + ltdc_out: endpoint { + remote-endpoint =3D <&panel_in>; + }; + }; +}; + +&spi1 { + #address-cells =3D <1>; + #size-cells =3D <0>; + + display@0 { + compatible =3D "rocktech,rk050hr345-ct106a", "ilitek,ili9806e"; + reg =3D <0>; + vdd-supply =3D <®_3v3>; + spi-max-frequency =3D <10000000>; + reset-gpios =3D <&gpiob 6 GPIO_ACTIVE_LOW>; + backlight =3D <&backlight>; + + port { + panel_in: endpoint { + remote-endpoint =3D <<dc_out>; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts b/= arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts index f5af0913bf1b..faedddc2c914 100644 --- a/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts +++ b/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts @@ -116,25 +116,9 @@ &arm_wdt { }; =20 &i2c1 { - pinctrl-names =3D "default", "sleep"; - pinctrl-0 =3D <&i2c1_pins_a>; - pinctrl-1 =3D <&i2c1_sleep_pins_a>; - i2c-scl-rising-time-ns =3D <185>; - i2c-scl-falling-time-ns =3D <20>; - status =3D "okay"; - /* spare dmas for other usage */ + /* dt overlays don't support /delete-property/ */ /delete-property/dmas; /delete-property/dma-names; - - touchscreen@38 { - compatible =3D "edt,edt-ft5306"; - reg =3D <0x38>; - interrupt-parent =3D <&gpiob>; - interrupts =3D <0 IRQ_TYPE_EDGE_FALLING>; - reset-gpios =3D <&gpiod 1 GPIO_ACTIVE_LOW>; - touchscreen-size-x =3D <480>; - touchscreen-size-y =3D <854>; - }; }; =20 &i2c2 { @@ -179,19 +163,6 @@ sgtl5000_rx_endpoint: endpoint@1 { }; }; =20 -<dc { - pinctrl-names =3D "default", "sleep"; - pinctrl-0 =3D <<dc_pins_a>; - pinctrl-1 =3D <<dc_sleep_pins_a>; - status =3D "okay"; - - port { - ltdc_out: endpoint { - remote-endpoint =3D <&panel_in>; - }; - }; -}; - &m_can1 { pinctrl-names =3D "default", "sleep"; pinctrl-0 =3D <&m_can1_pins_a>; @@ -259,21 +230,6 @@ &spi1 { #size-cells =3D <0>; cs-gpios =3D <&gpioh 8 GPIO_ACTIVE_LOW>, <&gpioh 3 GPIO_ACTIVE_HIGH>; status =3D "okay"; - - display: display@0 { - compatible =3D "rocktech,rk050hr345-ct106a", "ilitek,ili9806e"; - reg =3D <0>; - vdd-supply =3D <®_3v3>; - spi-max-frequency =3D <10000000>; - reset-gpios =3D <&gpiob 6 GPIO_ACTIVE_LOW>; - backlight =3D <&backlight>; - - port { - panel_in: endpoint { - remote-endpoint =3D <<dc_out>; - }; - }; - }; }; =20 &timers2 { --=20 2.43.0 From nobody Thu Sep 24 13:47:18 2026 Received: from mail-wr2-f17.google.com (mail-wr2-f17.google.com [74.125.225.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A606C531AFF for ; Wed, 23 Sep 2026 15:53:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790178823; cv=none; b=sBohqMKrvVxlo5YOoPt518iBUJxxaVqoaU3cTNtucezqyfT0atq88ZmsGUIh/AS2UMXmtTOXcQQtWC+C44Mp4Ugg8c4t6bv7MF7Z/wokZzHL3EcvfuHOekV2WZo9DhL+avXt5ndPcomfPSR/5yDlStw9MvS4OGMZCnSwJinXoHs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790178823; c=relaxed/simple; bh=BPXZnHuQvAcbpuPqPEcW37BwqUhd9iWtifkbdPGoVho=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=am9o/cx3PFg1vLmZw0X5f4aEiRl6KPsFtcBJB/byQev8DjT1YVMZckNJmgPvbAtF21pnURMPyzrZqv7lAn540fqsliTelI1ydcC21zKXFyfHp7TRZLflBV3Ie+r4+gMwvCh30AAkjCf+TmRtvqXdL2qK1bj0yVcEKst4uIeSG6M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com; spf=pass smtp.mailfrom=amarulasolutions.com; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b=FcoLk1NS; arc=none smtp.client-ip=74.125.225.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amarulasolutions.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="FcoLk1NS" Received: by mail-wr2-f17.google.com with SMTP id ffacd0b85a97d-484366874b0so726199f8f.2 for ; Wed, 23 Sep 2026 08:53:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1790178820; x=1790783620; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=RconBTXU9LPf8lTB0K4UrjmNoGQpku4smOvmK7csrbk=; b=FcoLk1NS3b+o3852ZcRtvVOIZ0uokcnY1Jq6F2WyD10UoHNdLPT2aCLxdHBUEAdNi5 QxMc2OQbVkgv72+4RnyLDogZj3HsDFsW4hSa47IDinrkwciC2iADCUqiXzNN8i854aUq kY6mkAyOVnVWiTv5bJylH23qTVjBBNgY0waO8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790178820; x=1790783620; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=RconBTXU9LPf8lTB0K4UrjmNoGQpku4smOvmK7csrbk=; b=U8a2dCg19lKtTIj3UTLeqbyEAtNc1Mp8ogdYnorrVkaQXknoYNRi8kt5KFw52lr8zf sz9/ENs6UO2ZT+Wlgaxe+q1Jwr8qhZNdFGPHPsOTsuwnqUFhozfo5FyNOGrBwMv9Q4yo ozACjkjG1Hz/tDPt17r9z7ItmNcOOCFnITHKTSVgglryVN82aqTwjHT5CXIu6s+q15Yv XJFGaxEwI5yzmC0I053p3TL5QmmOsxNFbpqbx0/oqV9F46fXUaACaaMC4F9QUZDYccoJ VmBV5JY5ujsHBH2QK3XkkN9swLjn/Lj7uNujQ9sHZNZakbfm61ELowz84T/WxjQ4QLKr zMvg== X-Forwarded-Encrypted: i=1; AKwUvByIapD/4L2pjTcOrp7UI2h8xfvpFkXX11Hd6vuT1S0/wmsNFhtSY7ODES9Shn8W7eV71hbKY0gtBp+snCo=@vger.kernel.org X-Gm-Message-State: AFuF++nW+dfVzg7aDnVOmV14tYXHC2peiw3ePqREqhdLiNTZ1ah7sLft KMrUXozXUo6bQb07HdRK/J/7sU1RmcHzV7xEe/YPFTLMIvxu1SOZjIV3/tAut1zio/Y= X-Gm-Gg: AYBFou16PEmUheCMMj7iQvgDHgde+nUDMYkGe3X8XnJSuuM/ip8xiKEPJvV3+VnA0iL CrFSn+xTL6jpVN/fAuKP6XxyZdFNBgRHKR3Lo3oXifHKioCsOkGCsytMkGgW12Uw8LchtoD8MAK 56ONkSrmYrdqMgByagpTTNy9fVzHw3EOOtp12uDnCHbJJp/YNRHc7eGAuwJLimGhyUzaUBOJ1x2 /JnXKVmBhRu681iZD/kEp6sfgHflyst6H68cGnqZVgQdVd2OIPN7XMmICzGXbR5zPWrZ0rzfQP4 OTs9v2+AUPCa2BwMpABJGcvE7D2PAJkno0HtM6FgKhhc7AJkbvZX4U+6/jW2GRtvvqYjiO0qVGJ Nu8Z+v/MzT0EN63SxeIb2yXJZn1vohAkwTi8AT+u4RtQPlDihjgfDMcvAmtVWDpxCMYeTTd3LcC iE7pxR343uLr1HthuFiJMY4Xqe2A+PYdr7/q6Z1tMJiblfu4vtHzSKCekS3iNBozujGMzvSu7g1 dImJKP/xvs7HB3+qbHqedNmID2iK0yTjwDzFUJjfhqWycUWGOWPq7O5Wtjxdp4AtFXude5I1vP+ 0nc= X-Received: by 2002:a05:600c:1382:b0:49f:ce78:3566 with SMTP id 5b1f17b1804b1-49fdeffd72cmr43711015e9.23.1790178819775; Wed, 23 Sep 2026 08:53:39 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:6474:ebbf:12f8:fcfa:728a:2514]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fde1d5f10sm81858555e9.8.2026.09.23.08.53.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 08:53:39 -0700 (PDT) From: Dario Binacchi To: Alexandre Torgue , Maxime Coquelin Cc: michael@amarulasolutions.com, domenico.acri@engicam.com, linux-arm-kernel@lists.infradead.org, Marek Vasut , francesco.utel@engicam.com, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, devicetree@vger.kernel.org, Conor Dooley , Rob Herring , Krzysztof Kozlowski , linux-amarula@amarulasolutions.com, Dario Binacchi Subject: [PATCH v2 2/2] arm64: dts: st: add Engicam MicroGEA-STM32MP257D-RMM LVDS display overlay Date: Wed, 23 Sep 2026 17:53:10 +0200 Message-ID: <20260923155333.610134-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260923155333.610134-1-dario.binacchi@amarulasolutions.com> References: <20260923155333.610134-1-dario.binacchi@amarulasolutions.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add an overlay for the variant fitted with the AM-1280800W8TZQW-T00H 10.1" 1280x800 LVDS panel. Its touchscreen is connected over USB, so there is no touchscreen node. Signed-off-by: Dario Binacchi --- (no changes since v1) arch/arm64/boot/dts/st/Makefile | 6 ++ ...gea-rmm-overlay-am-1280800w8tzqw-t00h.dtso | 67 +++++++++++++++++++ .../st/stm32mp257d-engicam-microgea-rmm.dts | 2 +- 3 files changed, 74 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm= -overlay-am-1280800w8tzqw-t00h.dtso diff --git a/arch/arm64/boot/dts/st/Makefile b/arch/arm64/boot/dts/st/Makef= ile index 218ff7fdf576..7f657d2bd629 100644 --- a/arch/arm64/boot/dts/st/Makefile +++ b/arch/arm64/boot/dts/st/Makefile @@ -1,4 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-only +stm32mp257d-engicam-microgea-rmm-overlay-am-1280800w8tzqw-t00h-dtbs :=3D \ + stm32mp257d-engicam-microgea-rmm.dtb \ + stm32mp257d-engicam-microgea-rmm-overlay-am-1280800w8tzqw-t00h.dtbo + stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a-dtbs :=3D \ stm32mp257d-engicam-microgea-rmm.dtb \ stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a.dtbo @@ -7,6 +11,8 @@ dtb-$(CONFIG_ARCH_STM32) +=3D \ stm32mp215f-dk.dtb \ stm32mp235f-dk.dtb \ stm32mp257d-engicam-microgea-rmm.dtb \ + stm32mp257d-engicam-microgea-rmm-overlay-am-1280800w8tzqw-t00h.dtb \ + stm32mp257d-engicam-microgea-rmm-overlay-am-1280800w8tzqw-t00h.dtbo \ stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a.dtb \ stm32mp257d-engicam-microgea-rmm-overlay-rk050hr345-ct106a.dtbo \ stm32mp257f-dk.dtb \ diff --git a/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm-overla= y-am-1280800w8tzqw-t00h.dtso b/arch/arm64/boot/dts/st/stm32mp257d-engicam-m= icrogea-rmm-overlay-am-1280800w8tzqw-t00h.dtso new file mode 100644 index 000000000000..7655c1bf56b1 --- /dev/null +++ b/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm-overlay-am-12= 80800w8tzqw-t00h.dtso @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2026 Amarula Solutions, Dario Binacchi + * Copyright (C) 2026 Engicam srl + * + * Ampire AM-1280800W8TZQW-T00H 10.1" 1280x800 LVDS panel. Its touchscreen + * controller is connected over USB. + */ + +/dts-v1/; +/plugin/; + +#include + +&{/} { + panel-lvds { + compatible =3D "ampire,am-1280800w8tzqw-t00h"; + backlight =3D <&backlight>; + power-supply =3D <®_3v3>; + + port { + panel_in: endpoint { + remote-endpoint =3D <&lvds_out>; + }; + }; + }; +}; + +&framebuffer { + clocks =3D <&rcc CK_BUS_LTDC>, <&rcc CK_KER_LTDC>, + <&rcc CK_BUS_LVDS>, <&rcc CK_KER_LVDSPHY>; +}; + +<dc { + status =3D "okay"; + + port { + ltdc_out: endpoint { + remote-endpoint =3D <&lvds_in>; + }; + }; +}; + +&lvds { + status =3D "okay"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + lvds_in: endpoint { + remote-endpoint =3D <<dc_out>; + }; + }; + + port@1 { + reg =3D <1>; + + lvds_out: endpoint { + remote-endpoint =3D <&panel_in>; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts b/= arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts index faedddc2c914..96b7cb6b5bc1 100644 --- a/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts +++ b/arch/arm64/boot/dts/st/stm32mp257d-engicam-microgea-rmm.dts @@ -43,7 +43,7 @@ chosen { #size-cells =3D <2>; ranges; =20 - framebuffer { + framebuffer: framebuffer { compatible =3D "simple-framebuffer"; clocks =3D <&rcc CK_BUS_LTDC>, <&rcc CK_KER_LTDC>; lcd-supply =3D <®_3v3>; --=20 2.43.0