// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2025 Cherry Embedded Solutions GmbH */ /dts-v1/; #include #include #include #include #include "px30.dtsi" / { aliases { ethernet0 = &gmac; mmc0 = &emmc; }; chosen { stdout-path = "serial5:115200n8"; }; backlight: backlight { compatible = "pwm-backlight"; power-supply = <&vcc5v0_sys>; pwms = <&pwm0 0 25000 0>; }; beeper { compatible = "pwm-beeper"; pwms = <&pwm1 0 1000 0>; }; emmc_pwrseq: emmc-pwrseq { compatible = "mmc-pwrseq-emmc"; pinctrl-0 = <&emmc_reset>; pinctrl-names = "default"; reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_HIGH>; }; gpio-leds { compatible = "gpio-leds"; pinctrl-names = "default"; pinctrl-0 = <&heartbeat_led_pin>; /* * LED14 on the PCB. Typically NOT populated. */ led-0 { color = ; gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_HIGH>; label = "heartbeat"; linux,default-trigger = "heartbeat"; }; }; pwm-leds { compatible = "pwm-leds"; ring_red: led-0 { color = ; default-state = "off"; label = "ring_red"; pwms = <&pwm5 0 1000000 0>; max-brightness = <255>; }; ring_green: led-1 { color = ; default-state = "off"; label = "ring_green"; pwms = <&pwm6 0 1000000 0>; max-brightness = <255>; }; ring_blue: led-2 { color = ; default-state = "off"; label = "ring_blue"; pwms = <&pwm7 0 1000000 0>; max-brightness = <255>; }; }; /* also named 5V_Q7 in schematics */ vcc5v0_sys: regulator-vccsys { compatible = "regulator-fixed"; regulator-name = "vcc5v0_sys"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; }; &cpu0 { cpu-supply = <&vdd_arm>; }; &cpu1 { cpu-supply = <&vdd_arm>; }; &cpu2 { cpu-supply = <&vdd_arm>; }; &cpu3 { cpu-supply = <&vdd_arm>; }; &display_subsystem { status = "okay"; }; &dsi_dphy { status = "okay"; }; &emmc { bus-width = <8>; cap-mmc-highspeed; /* * For hs200 support, U-Boot would have to set the RK809 DCDC4 * rail to 1.8V from the default of 3.0V. It doesn't do that on * devices out in the field, so disable hs200. * mmc-hs200-1_8v; */ mmc-pwrseq = <&emmc_pwrseq>; non-removable; vmmc-supply = <&vcc_3v3>; vqmmc-supply = <&vcc_emmc>; status = "okay"; }; &gmac { clock_in_out = "output"; phy-handle = <&dp83825>; phy-supply = <&vcc_3v3>; status = "okay"; }; &gpu { mali-supply = <&vdd_log>; status = "okay"; }; /* I2C0 = PMIC, STUSB4500, RTC */ &i2c0 { status = "okay"; rk809: pmic@20 { compatible = "rockchip,rk809"; reg = <0x20>; #clock-cells = <0>; clock-output-names = "xin32k"; interrupt-parent = <&gpio0>; interrupts = ; pinctrl-names = "default"; pinctrl-0 = <&pmic_int>; system-power-controller; wakeup-source; vcc1-supply = <&vcc5v0_sys>; vcc2-supply = <&vcc5v0_sys>; vcc3-supply = <&vcc5v0_sys>; vcc4-supply = <&vcc5v0_sys>; vcc5-supply = <&vcc_3v3>; vcc6-supply = <&vcc_3v3>; vcc7-supply = <&vcc_3v3>; vcc9-supply = <&vcc5v0_sys>; regulators { vdd_log: DCDC_REG1 { regulator-name = "vdd_log"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <950000>; regulator-max-microvolt = <1350000>; regulator-ramp-delay = <6001>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <950000>; }; }; vdd_arm: DCDC_REG2 { regulator-name = "vdd_arm"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <950000>; regulator-max-microvolt = <1350000>; regulator-ramp-delay = <6001>; regulator-state-mem { regulator-off-in-suspend; regulator-suspend-microvolt = <950000>; }; }; vcc_ddr: DCDC_REG3 { regulator-name = "vcc_ddr"; regulator-always-on; regulator-boot-on; regulator-state-mem { regulator-on-in-suspend; }; }; vcc_3v0_1v8: vcc_emmc: DCDC_REG4 { regulator-name = "vcc_3v0_1v8"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3000000>; }; }; vcc_3v3: DCDC_REG5 { regulator-name = "vcc_3v3"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vcc_1v8: LDO_REG2 { regulator-name = "vcc_1v8"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1800000>; }; }; vcc_1v0: LDO_REG3 { regulator-name = "vcc_1v0"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1000000>; }; }; vcc_2v8: LDO_REG4 { regulator-name = "vcc_2v8"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; regulator-state-mem { regulator-off-in-suspend; regulator-suspend-microvolt = <2800000>; }; }; /* * vccio_sd also supplies the vmmc supply on prototypes * with sd-slots, so needs to stay single voltage for * those. Production models don't have sd-slots anymore * and only supply vccio2 from this regulator. */ vccio_sd: LDO_REG5 { regulator-name = "vccio_sd"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3000000>; }; }; /* vcc_sdio also supplies the pull-up resistors for i2c1 */ vcc_sdio: LDO_REG6 { regulator-name = "vcc_sdio"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vcc_lcd: LDO_REG7 { regulator-name = "vcc_lcd"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-state-mem { regulator-off-in-suspend; regulator-suspend-microvolt = <1000000>; }; }; vcc_1v8_lcd: LDO_REG8 { regulator-name = "vcc_1v8_lcd"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1800000>; }; }; vcca_1v8: LDO_REG9 { regulator-name = "vcca_1v8"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-state-mem { regulator-off-in-suspend; regulator-suspend-microvolt = <1800000>; }; }; }; }; }; &i2c1 { clock-frequency = <100000>; status = "okay"; }; &i2c2 { clock-frequency = <100000>; i2c-scl-falling-time-ns = <50>; i2c-scl-rising-time-ns = <300>; status = "okay"; touchscreen@14 { compatible = "goodix,gt911"; reg = <0x14>; AVDD28-supply = <&vcc_2v8>; interrupt-parent = <&gpio0>; interrupts = ; irq-gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&tch_int &tch_rst>; reset-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>; touchscreen-inverted-x; VDDIO-supply = <&vcc_3v3>; }; }; /* * Enable pull-ups to prevent floating pins when the touch * panel is not connected. */ &i2c2_xfer { rockchip,pins = <2 RK_PB7 2 &pcfg_pull_up>, <2 RK_PC0 2 &pcfg_pull_up>; }; &io_domains { vccio1-supply = <&vcc_sdio>; vccio2-supply = <&vccio_sd>; vccio3-supply = <&vcc_3v3>; vccio4-supply = <&vcc_3v3>; vccio5-supply = <&vcc_1v8>; vccio6-supply = <&vcc_emmc>; status = "okay"; }; &mdio { dp83825: ethernet-phy@0 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <0x0>; pinctrl-names = "default"; pinctrl-0 = <&phy_rst>; reset-assert-us = <50000>; reset-deassert-us = <50000>; reset-gpios = <&gpio2 RK_PB6 GPIO_ACTIVE_LOW>; }; }; &pinctrl { pinctrl-names = "default"; pinctrl-0 = <&cobra_pin_hog>; hog { cobra_pin_hog: cobra-pin-hog { rockchip,pins = /* USB_HUB2_RESET */ <0 RK_PA5 RK_FUNC_GPIO &pcfg_output_high>, /* USB_HUB1_RESET */ <0 RK_PB4 RK_FUNC_GPIO &pcfg_output_high>, /* The default pull-down can keep the IC in reset. */ <3 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>, /* USB-A 5V enable */ <3 RK_PC0 RK_FUNC_GPIO &pcfg_output_high>, /* USB-A data enable */ <3 RK_PD3 RK_FUNC_GPIO &pcfg_output_high>; }; }; emmc { emmc_reset: emmc-reset { rockchip,pins = <1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>; }; }; ethernet { phy_rst: phy-rst { rockchip,pins = <2 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>; }; }; leds { heartbeat_led_pin: heartbeat-led-pin { rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>; }; }; panel { dsp_rst: dsp-rst { rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>; }; tch_int: tch-int { rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>; }; tch_rst: tch-rst { rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; }; }; pmic { pmic_int: pmic-int { rockchip,pins = <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>; }; }; }; &pmu_io_domains { pmuio1-supply = <&vcc_3v3>; pmuio2-supply = <&vcc_3v3>; status = "okay"; }; &pwm0 { status = "okay"; }; &pwm1 { status = "okay"; }; &pwm5 { status = "okay"; }; &pwm6 { status = "okay"; }; &pwm7 { status = "okay"; }; &saradc { vref-supply = <&vcc_1v8>; status = "okay"; }; &tsadc { status = "okay"; }; &u2phy { status = "okay"; }; &u2phy_host { status = "okay"; }; &u2phy_otg { status = "okay"; }; &uart1 { /delete-property/ dmas; /delete-property/ dma-names; pinctrl-names = "default"; pinctrl-0 = <&uart1_xfer>; status = "okay"; }; &uart5 { pinctrl-0 = <&uart5_xfer>; status = "okay"; }; &usb20_otg { status = "okay"; }; &usb_host0_ehci { status = "okay"; }; &usb_host0_ohci { status = "okay"; }; &vopb { status = "okay"; }; &vopb_mmu { status = "okay"; }; &vopl { status = "disabled"; }; &vopl_mmu { status = "disabled"; }; &wdt { status = "okay"; };