From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) (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 E1DC83563C5 for ; Thu, 29 Jan 2026 02:29:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769653765; cv=none; b=JYtt0AvVEPHtr9RdOaUZl8dOR1jBvvDl2+qC1coRxxD6hGgixd1dVDhTsjReeZP2jmMSlQSfSveetUp9DI8m1KhuQtSsTDIntGoh7A91RZ4xQHky2GbIqmNw6rEgmUjKXefDEzO9TmTAr3K3W/w/NUO+lKzNZltP+6txmVu21VU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769653765; c=relaxed/simple; bh=Ux4yXdcrD7sWaWrJxWfS5yeD2Dtq6BEm/InYgyeESXM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AHirV/KrtojyjpCc9zmL/dv9EmQmzbAubYXBEtGbpZ08LmQ8XXnlGpv70HUuJHtXX0hQerKoBfz+F9lPn2lE+gPlopqu3upkP5XmGKm7wpHGIFbllz7x1VXDXm/DD2BzJT6w5xjcTG92+E6AcPO3C6YyAGP37itGjwUZtMeGx80= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=lfIsZ1vn; arc=none smtp.client-ip=209.85.216.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lfIsZ1vn" Received: by mail-pj1-f47.google.com with SMTP id 98e67ed59e1d1-34c27d14559so232696a91.2 for ; Wed, 28 Jan 2026 18:29:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1769653763; x=1770258563; 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; bh=Jyw7q0/YQsMTgrYvASBDoKvdAbxjjEM7hz6Ka6xcckU=; b=lfIsZ1vnOLJCPEjEU9CqiAX/zuEyPGaYMj9rbunL605RupowduJ2T5sl7YerLcNjPp 93QR7Mun+IgFwXVid5HqWJiO66aWA3S+vT9GDGIalGiw4CW9ivrPLmwYJURrAUILCAj2 Y5zstfpSD5AQEyCwBcNyaq/mWEuNMRlputhF/KacwcLF0JbzXsK4hyE5N2rqkiQXKCoc UtS6gEynfVgl6hTdP63Ku3dzoB+amW+R0wghp1cOUHG+2sbGQg33r+zDe5RyWSOZxVdb 3PfyMyE9+gU4qLQbjhgZ+uhl1A2OEnXGz2D/vnAyTWnzKMBcvY7lliL9IZOSfetX29Va BUKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769653763; x=1770258563; 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; bh=Jyw7q0/YQsMTgrYvASBDoKvdAbxjjEM7hz6Ka6xcckU=; b=PLy0lh/1ZunnatuqDzE2o9L0v+GbPVxe0Emnc8toFHaqFo1Z5/IhDSNyhVSodfNw1D yfB76nhQ8m+iDT9tANr6XU/k+ywvqH6reB9H2VqcClELXF7UNHvtFiKJdF0wNHmTw1+s cWaY3IDT7bD4F+UDQYnfvz0zxNwEqYcQ3e+2+aEjOlIQbQWRSIFM8Yt46wBbPjLw2V6J sy7IZ1FZGkWFeO/lXuS/wFup+G4MhmM19avcJ0DTCV/lK1o+Pljc0P2pvh5YwzsAbXSi Sjx5kGYpFrF54NsgLrEb5eNss88jDEMaY+9GwQdydKyxBHWarUE3rJ+LPTOGUzNhySgk aOYA== X-Forwarded-Encrypted: i=1; AJvYcCUQr6YSZ0dzzkkMC7buodBq521by2W+wGNsdrXBmAV6BDt44Z2Xb/YGn6Dtr62lB6dK71XtcbpgQ46+@vger.kernel.org X-Gm-Message-State: AOJu0Yw8Wxx7WCNpoRbrpFACBTnhB3m6xOHuRvdRf8wi6/RreCc5kGNV pomuVmqMFeovIQveJJlrav7wZEaGXYcgVtmPZZvyFwHtYeBeTEKxuZ9x X-Gm-Gg: AZuq6aL9EP6BkdDsV/AHCPQBoQmyqy0V6+Pfetur+fyBx+jsf33A2c2Wa8SAoLUEXQ1 FB9eAeMQ4+HD0f4Az9463Tf4QuKW8WjcOg0A45lgddjQ2a8pofz8AiRefH4HDPijaVsJtZq8hlj nlC+t0SIQhAWSQiFXSu7hQxjqJwoOMo4Z1rTpaaHBvdPi8Bok5R/VAh1m9eaplAhyVJE4kXt2tu w44yt/O1VhFTvGNTNRwEPSmlJgDJzPXbN3fB1JNYcwGsq+bubn4aZB8nVhXxZqcx5xh0N7wFYdQ cmnKT1v28FkgahKYjNuwWHEqJ3rhjh0FOXnjLkSNdw/km++TeRG1WUuOH5JeBqyQcuSCOy6Ebn5 g9/z9TFa8droZQyb2O85M37h+eeuSmc8z0dStTrgPiek7an90MB0At1w1L9JGPPCDQxr75h6CG5 7DMC2I7alX16Je0s6EK3LCBLZwrmCqp3Vz//+j1XL4asQ8/ijIMwR08IM= X-Received: by 2002:a17:90b:1d48:b0:32e:a8b7:e9c with SMTP id 98e67ed59e1d1-353fed8ac13mr6667239a91.29.1769653763199; Wed, 28 Jan 2026 18:29:23 -0800 (PST) Received: from wig-Precision-3660.. (125-227-154-99.hinet-ip.hinet.net. [125.227.154.99]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3540f2f0283sm4380542a91.5.2026.01.28.18.29.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jan 2026 18:29:22 -0800 (PST) From: Wig Cheng To: shawnguo@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, zaq14760@gmail.com, Wig Cheng Subject: [PATCH v4 1/1] arm64: dts: freescale: add pixpaper display overlay for i.MX93 FRDM Date: Thu, 29 Jan 2026 10:29:10 +0800 Message-ID: <20260129022910.3942028-2-onlywig@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260129022910.3942028-1-onlywig@gmail.com> References: <20260129022910.3942028-1-onlywig@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add device tree overlay to support the MayQueen PixPaper e-paper display on the NXP i.MX93 FRDM board. The display is connected via LPSPI3 interface and uses GPIO pins for reset, busy and DC control. The overlay configures: - LPSPI3 pinmux for SPI communication (MOSI, MISO, CLK, CE0) - PixPaper display device with proper GPIO assignments - SPI frequency set to 5MHz for stable operation Enable Open-EP Community pixpaper-213-c support on NXP i.MX93. Signed-off-by: Wig Cheng --- arch/arm64/boot/dts/freescale/Makefile | 4 ++ .../freescale/imx93-11x11-frdm-pixpaper.dtso | 50 +++++++++++++++++++ 2 files changed, 54 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index ce8f937c2315..c2727f8061e2 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -398,6 +398,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-i3c.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm.dtb + +imx93-11x11-frdm-pixpaper-dtbs += imx93-11x11-frdm.dtb imx93-11x11-frdm-pixpaper.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm-pixpaper.dtb + dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-nash.dtb diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtso b/arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtso new file mode 100644 index 000000000000..5fee27a589b5 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtso @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Overlay for Mayqueen (Open-EP Community) pixpaper display + * support on NXP FRDM i.MX 93 Development Board + * + * Copyright (C) 2026 Wig Cheng + */ + +#include +#include "imx93-pinfunc.h" + +/dts-v1/; +/plugin/; + +&iomuxc { + pinctrl_lpspi3: lpspi3grp { + fsl,pins = < + MX93_PAD_GPIO_IO08__GPIO2_IO08 0x3fe /* SPI3 CE0 */ + MX93_PAD_GPIO_IO09__LPSPI3_SIN 0x3fe /* SPI3 MISO */ + MX93_PAD_GPIO_IO10__LPSPI3_SOUT 0x3fe /* SPI3 MOSI */ + MX93_PAD_GPIO_IO11__LPSPI3_SCK 0x3fe /* SPI3 CLK */ + >; + }; + + pinctrl_epd_ctrl: epdctrlgrp { + fsl,pins = < + MX93_PAD_GPIO_IO05__GPIO2_IO05 0x31e /* DC pin */ + MX93_PAD_GPIO_IO06__GPIO2_IO06 0x31e /* RESET pin */ + MX93_PAD_GPIO_IO26__GPIO2_IO26 0x31e /* BUSY pin */ + >; + }; +}; + +&lpspi3 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lpspi3>, <&pinctrl_epd_ctrl>; + cs-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>; + status = "okay"; + + display@0 { + compatible = "mayqueen,pixpaper"; + reg = <0>; + spi-max-frequency = <5000000>; + reset-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>; + dc-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; + busy-gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>; + }; +}; -- 2.43.0