| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| /* |
| * Copyright (c) 2025 Cherry Embedded Solutions GmbH |
| */ |
| |
| /dts-v1/; |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/leds/common.h> |
| #include <dt-bindings/pinctrl/rockchip.h> |
| #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 = <LED_COLOR_ID_BLUE>; |
| gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_HIGH>; |
| label = "heartbeat"; |
| linux,default-trigger = "heartbeat"; |
| }; |
| }; |
| |
| pwm-leds { |
| compatible = "pwm-leds"; |
| |
| ring_red: led-0 { |
| color = <LED_COLOR_ID_RED>; |
| default-state = "off"; |
| label = "ring_red"; |
| pwms = <&pwm5 0 1000000 0>; |
| max-brightness = <255>; |
| }; |
| |
| ring_green: led-1 { |
| color = <LED_COLOR_ID_GREEN>; |
| default-state = "off"; |
| label = "ring_green"; |
| pwms = <&pwm6 0 1000000 0>; |
| max-brightness = <255>; |
| }; |
| |
| ring_blue: led-2 { |
| color = <LED_COLOR_ID_BLUE>; |
| 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 = <RK_PA7 IRQ_TYPE_LEVEL_LOW>; |
| 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 = <RK_PA1 IRQ_TYPE_LEVEL_LOW>; |
| 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"; |
| }; |
