Re: [PATCH v2 1/1] arm64: dts: freescale: add pixpaper display overlay for i.MX93 FRDM
From: Peng Fan <hidden>
Date: 2026-01-28 06:28:03
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On Wed, Jan 28, 2026 at 01:05:49PM +0800, Wig Cheng wrote:
quoted hunk ↗ jump to hunk
Enable Open-EP Community pixpaper-213-c support on NXP i.MX93. Signed-off-by: Wig Cheng <redacted> --- arch/arm64/boot/dts/freescale/Makefile | 4 ++ .../freescale/imx93-11x11-frdm-pixpaper.dtso | 51 +++++++++++++++++++ 2 files changed, 55 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtsodiff --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-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-i3c.dtbdtb-$(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.dtbdiff --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..1111503b08af --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtso@@ -0,0 +1,51 @@ +// 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 <onlywig@gmail.com> + */ + +#include <dt-bindings/gpio/gpio.h> +#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>;
The above two properties are in imx93_91_common.dtsi lpspi3 node, no need to duplicate them. Regards Peng
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lpspi3>, <&pinctrl_epd_ctrl>;
+ cs-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>;
+ fsl,spi-num-chipselects = <1>;
+ 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