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Heiko Stuebnermmind
Heiko Stuebner
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mmind
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arm64: dts: rockchip: add px30-cobra base dtsi and board variants
Cobra are Touchscreen devices built around the PX30 SoC using a variety of display options. The devices feature an EMMC, network port, usb host + OTG ports and a 720x1280 display with a touchscreen. Signed-off-by: Heiko Stuebner <[email protected]> Reviewed-by: Quentin Schulz <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Heiko Stuebner <[email protected]>
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‎arch/arm64/boot/dts/rockchip/Makefile

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# SPDX-License-Identifier: GPL-2.0
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-cobra-ltk050h3146w-a2.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-cobra-ltk050h3146w.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-cobra-ltk050h3148w.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-cobra-ltk500hd1829.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-evb.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-ctouch2.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-engicam-px30-core-ctouch2-of10.dtb

‎arch/arm64/boot/dts/rockchip/px30-cobra-ltk050h3146w-a2.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2025 Cherry Embedded Solutions GmbH
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*/
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/dts-v1/;
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#include "px30-cobra.dtsi"
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/ {
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model = "Theobroma Systems Cobra with LTK050H3146W-A2 Display";
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compatible = "tsd,px30-cobra-ltk050h3146w-a2", "tsd,px30-cobra", "rockchip,px30";
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};
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&dsi {
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status = "okay";
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panel@0 {
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compatible = "leadtek,ltk050h3146w-a2";
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reg = <0>;
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backlight = <&backlight>;
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iovcc-supply = <&vcc_1v8>;
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pinctrl-names = "default";
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pinctrl-0 = <&dsp_rst>;
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reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
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vci-supply = <&vcc_2v8>;
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port {
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mipi_in_panel: endpoint {
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remote-endpoint = <&mipi_out_panel>;
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};
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};
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};
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};
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&dsi_out {
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mipi_out_panel: endpoint {
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remote-endpoint = <&mipi_in_panel>;
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};
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};

‎arch/arm64/boot/dts/rockchip/px30-cobra-ltk050h3146w.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2025 Cherry Embedded Solutions GmbH
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*/
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/dts-v1/;
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#include "px30-cobra.dtsi"
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/ {
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model = "Theobroma Systems Cobra with LTK050H3146W Display";
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compatible = "tsd,px30-cobra-ltk050h3146w", "tsd,px30-cobra", "rockchip,px30";
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};
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&dsi {
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status = "okay";
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panel@0 {
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compatible = "leadtek,ltk050h3146w";
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reg = <0>;
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backlight = <&backlight>;
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iovcc-supply = <&vcc_1v8>;
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pinctrl-names = "default";
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pinctrl-0 = <&dsp_rst>;
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reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
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vci-supply = <&vcc_2v8>;
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port {
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mipi_in_panel: endpoint {
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remote-endpoint = <&mipi_out_panel>;
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};
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};
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};
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};
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&dsi_out {
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mipi_out_panel: endpoint {
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remote-endpoint = <&mipi_in_panel>;
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};
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};

‎arch/arm64/boot/dts/rockchip/px30-cobra-ltk050h3148w.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2025 Cherry Embedded Solutions GmbH
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*/
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/dts-v1/;
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#include "px30-cobra.dtsi"
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/ {
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model = "Theobroma Systems Cobra with ltk050h3148w Display";
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compatible = "tsd,px30-cobra-ltk050h3148w", "tsd,px30-cobra", "rockchip,px30";
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};
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&dsi {
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status = "okay";
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panel@0 {
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compatible = "leadtek,ltk050h3148w";
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reg = <0>;
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backlight = <&backlight>;
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iovcc-supply = <&vcc_1v8>;
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pinctrl-names = "default";
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pinctrl-0 = <&dsp_rst>;
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reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
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vci-supply = <&vcc_2v8>;
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port {
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mipi_in_panel: endpoint {
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remote-endpoint = <&mipi_out_panel>;
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};
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};
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};
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};
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&dsi_out {
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mipi_out_panel: endpoint {
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remote-endpoint = <&mipi_in_panel>;
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};
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};

‎arch/arm64/boot/dts/rockchip/px30-cobra-ltk500hd1829.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2025 Cherry Embedded Solutions GmbH
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*/
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/dts-v1/;
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#include "px30-cobra.dtsi"
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/ {
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model = "Theobroma Systems Cobra prototype with LTK500HD1829 Display";
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compatible = "tsd,px30-cobra-ltk500hd1829", "tsd,px30-cobra", "rockchip,px30";
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aliases {
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mmc1 = &sdmmc;
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};
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};
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&dsi {
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status = "okay";
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panel@0 {
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compatible = "leadtek,ltk500hd1829";
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reg = <0>;
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backlight = <&backlight>;
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iovcc-supply = <&vcc_1v8>;
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pinctrl-names = "default";
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pinctrl-0 = <&dsp_rst>;
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reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
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vcc-supply = <&vcc_2v8>;
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port {
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mipi_in_panel: endpoint {
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remote-endpoint = <&mipi_out_panel>;
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};
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};
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};
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};
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&dsi_out {
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mipi_out_panel: endpoint {
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remote-endpoint = <&mipi_in_panel>;
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};
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};
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&pinctrl {
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pinctrl-names = "default";
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pinctrl-0 = <&cobra_pin_hog>, <&cobra_proto_hog>;
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hog {
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cobra_proto_hog: cobra-proto-hog {
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rockchip,pins =
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/* STUSB4500 open drain outout POWER_OK2, needs pull-up */
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<3 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>,
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/* STUSB4500 open drain outout POWER_OK3, needs pull-up */
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<3 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
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};
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};
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};
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&sdmmc {
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bus-width = <4>;
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broken-cd;
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cap-sd-highspeed;
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pinctrl-names = "default";
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pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
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sd-uhs-sdr12;
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sd-uhs-sdr25;
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sd-uhs-sdr50;
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sd-uhs-sdr104;
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vmmc-supply = <&vccio_sd>;
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vqmmc-supply = <&vccio_sd>;
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status = "okay";
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};

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