Add device tree for RK3562 KickPi K3 board with RK809 PMIC, eMMC/SD, PCIe, UARTs, I2C, and GPIO LEDs.
Signed-off-by: Sohaib Mohamed <[email protected]> --- arch/arm/dts/rk3562-kickpi-k3.dtsi | 452 +++++++++++++++++++++++++++++++++++++ 1 file changed, 452 insertions(+) diff --git a/arch/arm/dts/rk3562-kickpi-k3.dtsi b/arch/arm/dts/rk3562-kickpi-k3.dtsi new file mode 100644 index 0000000000..77bd61cf30 --- /dev/null +++ b/arch/arm/dts/rk3562-kickpi-k3.dtsi @@ -0,0 +1,452 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2026, Sohaib Mohamed <[email protected]> + */ + +/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 <arm64/rockchip/rk3562.dtsi> + +/ { + model = "Rockchip RK3562 kickpi k3"; + compatible = "kickpi,rk3562-kickpi-k3", "rockchip,rk3562"; + + aliases { + mmc0 = &sdhci; + mmc1 = &sdmmc0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "console=serial0,1500000n8"; + }; + + vcc3v3_pcie20: regulator-vcc3v3-pcie20 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_pcie20"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + regulator-boot-on; + regulator-always-on; + gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_HIGH>; + startup-delay-us = <5000>; + vin-supply = <&dc_12v>; + }; + + + vcc5v0_usb: regulator-vcc5v0-usb { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_usb"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&dc_12v>; + }; + + vcc5v0_usb_otg: regulator-vcc5v0-usb-otg { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_usb_otg"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + gpio = <&gpio3 RK_PC6 GPIO_ACTIVE_HIGH>; + vin-supply = <&vcc5v0_usb>; + pinctrl-names = "default"; + pinctrl-0 = <&usb_otg_pwren>; + }; + + dc_12v: regulator-dc-12v { + compatible = "regulator-fixed"; + regulator-name = "dc_12v"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + }; + + vcc5v0_sys: regulator-vcc5v0-sys { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&dc_12v>; + }; + + vcc3v3_clk: regulator-vcc3v3-clk { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_clk"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vcc5v0_sys>; + }; + + vcc3v3_sys: regulator-vcc-sys { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&dc_12v>; + }; + + vcc25_ddr: regulator-vcc25-ddr { + compatible = "regulator-fixed"; + regulator-name = "vcc25_ddr"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + vin-supply = <&vcc3v3_sys>; + }; + + leds: leds { + compatible = "gpio-leds"; + gpio3c0 { + gpios = <&gpio3 RK_PC0 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + gpio3c1 { + gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + gpio0a6 { + gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + gpio4b6 { + gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + + work_led: work-led { + gpios = <&gpio0 RK_PC0 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + fan: fan { + gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + }; +}; + +&i2c5 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c5m0_xfer>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4m0_xfer>; + status = "okay"; +}; + +&combphy { + status = "okay"; +}; + +&pcie2x1 { + reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc3v3_pcie20>; + status = "okay"; +}; + +&pinctrl { + usb { + usb_otg_pwren: usb-otg-pwren { + rockchip,pins = <3 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + headphone { + hp_det: hp-det { + rockchip,pins = <4 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>; + }; + }; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3m0_xfer>; + status = "okay"; +}; + +&sdhci { + bus-width = <8>; + no-sdio; + no-sd; + non-removable; + mmc-hs400-1_8v; + mmc-hs400-enhanced-strobe; + full-pwr-cycle-in-suspend; + status = "okay"; +}; + +&sdmmc0 { + no-sdio; + no-mmc; + bus-width = <4>; + cap-mmc-highspeed; + cap-sd-highspeed; + disable-wp; + sd-uhs-sdr104; + vmmc-supply = <&vcc3v3_sd>; + vqmmc-supply = <&vccio_sd>; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0m0_xfer>; + status = "okay"; +}; + +&i2c0 { + status = "okay"; + + rk809: pmic@20 { + compatible = "rockchip,rk809"; + reg = <0x20>; + interrupt-parent = <&gpio0>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + pinctrl-names = "default"; + pinctrl-0 = <&pmic_int>; + rockchip,system-power-controller; + wakeup-source; + #clock-cells = <1>; + clock-output-names = "rk808-clkout1", "rk808-clkout2"; + pmic-reset-func = <0>; + not-save-power-en = <1>; + + vcc1-supply = <&vcc3v3_sys>; + vcc2-supply = <&vcc3v3_sys>; + vcc3-supply = <&vcc3v3_sys>; + vcc4-supply = <&vcc3v3_sys>; + vcc5-supply = <&vcc3v3_sys>; + vcc6-supply = <&vcc3v3_sys>; + vcc7-supply = <&vcc3v3_sys>; + vcc8-supply = <&vcc3v3_sys>; + vcc9-supply = <&vcc3v3_sys>; + + pwrkey { + status = "okay"; + }; + + pinctrl_rk8xx: pinctrl_rk8xx { + gpio-controller; + #gpio-cells = <2>; + + rk817_slppin_null: rk817_slppin_null { + pins = "gpio_slp"; + function = "pin_fun0"; + }; + + rk817_slppin_slp: rk817_slppin_slp { + pins = "gpio_slp"; + function = "pin_fun1"; + }; + + rk817_slppin_pwrdn: rk817_slppin_pwrdn { + pins = "gpio_slp"; + function = "pin_fun2"; + }; + + rk817_slppin_rst: rk817_slppin_rst { + pins = "gpio_slp"; + function = "pin_fun3"; + }; + }; + + regulators { + vdd_logic: DCDC_REG1 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1350000>; + regulator-init-microvolt = <900000>; + regulator-ramp-delay = <6001>; + regulator-initial-mode = <0x2>; + regulator-name = "vdd_logic"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vdd_cpu: DCDC_REG2 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1350000>; + regulator-init-microvolt = <900000>; + regulator-ramp-delay = <6001>; + regulator-initial-mode = <0x2>; + regulator-name = "vdd_cpu"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcc_ddr: DCDC_REG3 { + regulator-always-on; + regulator-boot-on; + regulator-initial-mode = <0x2>; + regulator-name = "vcc_ddr"; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + vdd_gpu: DCDC_REG4 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1350000>; + regulator-init-microvolt = <900000>; + regulator-ramp-delay = <6001>; + regulator-initial-mode = <0x2>; + regulator-name = "vdd_gpu"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcc2v8_dvp: LDO_REG1 { + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-name = "vcc2v8_dvp"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vdda_0v9: LDO_REG2 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-name = "vdda_0v9"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vdda0v9_pmu: LDO_REG3 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + regulator-name = "vdda0v9_pmu"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <900000>; + }; + }; + + vccio_acodec: LDO_REG4 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + regulator-name = "vccio_acodec"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vccio_sd: LDO_REG5 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vccio_sd"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcc3v3_pmu: LDO_REG6 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc3v3_pmu"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + vcca_1v8: LDO_REG7 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcca_1v8"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcca1v8_pmu: LDO_REG8 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcca1v8_pmu"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1800000>; + }; + }; + + vcc1v8_dvp: LDO_REG9 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc1v8_dvp"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcc_1v8: DCDC_REG5 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc_1v8"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcc_3v3: SWITCH_REG1 { + regulator-always-on; + regulator-boot-on; + regulator-name = "vcc_3v3"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vcc3v3_sd: SWITCH_REG2 { + regulator-always-on; + regulator-boot-on; + regulator-name = "vcc3v3_sd"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + }; + }; +}; -- 2.43.0
