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>+/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 >