// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd. * Copyright (c) 2025 retro98boy */ /dts-v1/; #include #include #include "rk3399.dtsi" / { model = "SMART AM40"; compatible = "smart,am40", "rockchip,rk3399"; aliases { ethernet0 = &gmac; mmc0 = &sdhci; mmc1 = &sdmmc; rtc0 = &pt7c4563; /* * The rk808 circuit design on this board does not have the ability to maintain real-time time after a power outage. * Registering rk808 as rtc99 (most kernel configurations read time from rtc0) can prevent the kernel from reading the time (2013) from rk808 during startup. */ rtc99 = &rk808; }; chosen { stdout-path = "serial2:1500000n8"; }; clkin_gmac: external-gmac-clock { compatible = "fixed-clock"; clock-frequency = <125000000>; clock-output-names = "clkin_gmac"; #clock-cells = <0>; }; gpio-leds { compatible = "gpio-leds"; pinctrl-names = "default"; pinctrl-0 = <&pwr_led>; pwr-led { label = "pwr-led"; gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>; default-state = "on"; }; }; gpio-keys { compatible = "gpio-keys"; autorepeat; pinctrl-names = "default"; pinctrl-0 = <&pwr_btn>; pwr-btn { debounce-interval = <100>; gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>; label = "pwr-btn"; linux,code = ; wakeup-source; }; }; adc-keys { compatible = "adc-keys"; io-channels = <&saradc 1>; io-channel-names = "buttons"; keyup-threshold-microvolt = <1800000>; poll-interval = <100>; button-recovery { label = "Recovery"; linux,code = ; press-threshold-microvolt = <18000>; }; }; vcc1v8_s0: regulator-vcc1v8-s0 { compatible = "regulator-fixed"; regulator-name = "vcc1v8_s0"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; vcc_sys: regulator-vcc-sys { compatible = "regulator-fixed"; regulator-name = "vcc_sys"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; vcc_phy: regulator-vcc-phy { compatible = "regulator-fixed"; enable-active-high; gpio = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&vcc_phy_en>; regulator-name = "vcc_phy"; regulator-always-on; regulator-boot-on; }; vcc3v3_sys: regulator-vcc3v3-sys { compatible = "regulator-fixed"; regulator-name = "vcc3v3_sys"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&vcc_sys>; }; vcc5v0_host: regulator-vcc5v0-host { compatible = "regulator-fixed"; enable-active-high; gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&vcc5v0_host_en>; regulator-name = "vcc5v0_host"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; vcc3v3_pcie: regulator-vcc3v3-pcie { compatible = "regulator-fixed"; enable-active-high; gpio = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&vcc3v3_pcie_en>; regulator-name = "vcc3v3_pcie"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; front_hdmi_5v: regulator-front-hdmi-5v { compatible = "regulator-fixed"; enable-active-high; gpio = <&gpio4 RK_PD4 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&front_hdmi_5v_en>; regulator-name = "front_hdmi_5v"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; otg_vbus: regulator-otg-vbus { compatible = "regulator-fixed"; enable-active-high; gpio = <&gpio1 RK_PC6 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&otg_vbus_en>; regulator-name = "otg_vbus"; regulator-always-on; regulator-boot-on; }; vdd_log: regulator-vdd-log { compatible = "pwm-regulator"; pwms = <&pwm2 0 25000 1>; pwm-supply = <&vcc_sys>; regulator-name = "vdd_log"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <800000>; regulator-max-microvolt = <1400000>; }; virtual_pd: virtual-pd { compatible = "linux,extcon-usbc-virtual-pd"; pinctrl-names = "default"; pinctrl-0 = <&dp_hpd>; det-gpios = <&gpio4 RK_PD1 GPIO_ACTIVE_LOW>; vpd-data-role = "display-port"; vpd-super-speed; }; dp-sound { compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; simple-audio-card,mclk-fs = <256>; simple-audio-card,name = "dp-sound"; simple-audio-card,cpu { // sound-dai = <&i2s2>; sound-dai = <&spdif>; }; simple-audio-card,codec { // sound-dai = <&cdn_dp 0>; sound-dai = <&cdn_dp 1>; }; }; }; &cpu_l0 { cpu-supply = <&vdd_cpu_l>; }; &cpu_l1 { cpu-supply = <&vdd_cpu_l>; }; &cpu_l2 { cpu-supply = <&vdd_cpu_l>; }; &cpu_l3 { cpu-supply = <&vdd_cpu_l>; }; &cpu_b0 { cpu-supply = <&vdd_cpu_b>; }; &cpu_b1 { cpu-supply = <&vdd_cpu_b>; }; &emmc_phy { status = "okay"; }; &gmac { assigned-clock-parents = <&clkin_gmac>; assigned-clocks = <&cru SCLK_RMII_SRC>; clock_in_out = "input"; pinctrl-names = "default"; pinctrl-0 = <&rgmii_pins>, <&phy_rst_l>; phy-handle = <&rtl8211f>; phy-mode = "rgmii"; phy-supply = <&vcc_phy>; tx_delay = <0x28>; rx_delay = <0x11>; status = "okay"; mdio { compatible = "snps,dwmac-mdio"; #address-cells = <1>; #size-cells = <0>; rtl8211f: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; reset-deassert-us = <30000>; reset-gpios = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>; }; }; }; &gpu { mali-supply = <&vdd_gpu>; status = "okay"; }; &hdmi { avdd-0v9-supply = <&vcca0v9_hdmi>; avdd-1v8-supply = <&vcca1v8_hdmi>; ddc-i2c-bus = <&i2c3>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_cec>; status = "disabled"; }; &hdmi_sound { status = "disabled"; }; &i2c0 { clock-frequency = <400000>; i2c-scl-rising-time-ns = <168>; i2c-scl-falling-time-ns = <4>; status = "okay"; rk808: pmic@1b { compatible = "rockchip,rk808"; reg = <0x1b>; interrupt-parent = <&gpio1>; interrupts = <21 IRQ_TYPE_LEVEL_LOW>; #clock-cells = <1>; clock-output-names = "xin32k", "rk808-clkout2"; pinctrl-names = "default"; pinctrl-0 = <&pmic_int_l>; system-power-controller; wakeup-source; vcc1-supply = <&vcc_sys>; vcc2-supply = <&vcc_sys>; vcc3-supply = <&vcc_sys>; vcc4-supply = <&vcc_sys>; vcc6-supply = <&vcc_sys>; vcc7-supply = <&vcc_sys>; vcc8-supply = <&vcc3v3_sys>; vcc9-supply = <&vcc_sys>; vcc10-supply = <&vcc_sys>; vcc11-supply = <&vcc_sys>; vcc12-supply = <&vcc3v3_sys>; vddio-supply = <&vcc_1v8>; regulators { vdd_center: DCDC_REG1 { regulator-name = "vdd_center"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <750000>; regulator-max-microvolt = <1350000>; regulator-ramp-delay = <6001>; regulator-state-mem { regulator-off-in-suspend; }; }; vdd_cpu_l: DCDC_REG2 { regulator-name = "vdd_cpu_l"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <750000>; regulator-max-microvolt = <1350000>; regulator-ramp-delay = <6001>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_ddr: DCDC_REG3 { regulator-name = "vcc_ddr"; regulator-always-on; regulator-boot-on; regulator-state-mem { regulator-on-in-suspend; }; }; vcc_1v8: DCDC_REG4 { 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>; }; }; vcc1v8_dvp: LDO_REG1 { regulator-name = "vcc1v8_dvp"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcca1v8_hdmi: LDO_REG2 { regulator-name = "vcca1v8_hdmi"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcca1v8: LDO_REG3 { regulator-name = "vcca1v8"; 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_sd: LDO_REG4 { regulator-name = "vcc_sd"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc3v0_sd: LDO_REG5 { regulator-name = "vcc3v0_sd"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_1v5: LDO_REG6 { regulator-name = "vcc_1v5"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1500000>; regulator-max-microvolt = <1500000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcca0v9_hdmi: LDO_REG7 { regulator-name = "vcca0v9_hdmi"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <900000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_3v0: LDO_REG8 { regulator-name = "vcc_3v0"; regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc3v3_s3: SWITCH_REG1 { regulator-name = "vcc3v3_s3"; regulator-always-on; regulator-boot-on; regulator-state-mem { regulator-on-in-suspend; }; }; vcc3v3_s0: SWITCH_REG2 { regulator-name = "vcc3v3_s0"; regulator-state-mem { regulator-off-in-suspend; }; }; }; }; vdd_cpu_b: regulator@40 { compatible = "silergy,syr827"; reg = <0x40>; fcs,suspend-voltage-selector = <1>; pinctrl-names = "default"; pinctrl-0 = <&vsel1_pin>; regulator-name = "vdd_cpu_b"; regulator-min-microvolt = <712500>; regulator-max-microvolt = <1500000>; regulator-ramp-delay = <1000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc_sys>; regulator-state-mem { regulator-off-in-suspend; }; }; vdd_gpu: regulator@41 { compatible = "silergy,syr828"; reg = <0x41>; fcs,suspend-voltage-selector = <1>; pinctrl-names = "default"; pinctrl-0 = <&vsel2_pin>; regulator-name = "vdd_gpu"; regulator-min-microvolt = <712500>; regulator-max-microvolt = <1500000>; regulator-ramp-delay = <1000>; regulator-always-on; regulator-boot-on; vin-supply = <&vcc_sys>; regulator-state-mem { regulator-off-in-suspend; }; }; }; &i2c4 { status = "okay"; i2c-scl-rising-time-ns = <300>; i2c-scl-falling-time-ns = <300>; pt7c4563: rtc@51 { compatible = "haoyu,hym8563"; reg = <0x51>; #clock-cells = <0>; clock-output-names = "rtc_xin32k"; wakeup-source; interrupt-parent = <&gpio0>; interrupts = <6 IRQ_TYPE_LEVEL_LOW>; pinctrl-0 = <&rtc_int>; pinctrl-names = "default"; }; }; &i2s2 { status = "okay"; }; &io_domains { bt656-supply = <&vcc1v8_s0>; audio-supply = <&vcc1v8_s0>; sdmmc-supply = <&vcc_sd>; gpio1830-supply = <&vcc_3v0>; status = "okay"; }; &pcie0 { ep-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>; num-lanes = <4>; pinctrl-0 = <&pcie_clkreqn>; pinctrl-names = "default"; vpcie3v3-supply = <&vcc3v3_pcie>; status = "okay"; }; &pcie_phy { status = "okay"; }; &pinctrl { buttons { pwr_btn: pwr-btn { rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>; }; }; display { dp_hpd: dp-hpd { rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_input_pull_up>; }; front_hdmi_5v_en: front-hdmi-5v-en { rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>; }; }; gmac { phy_rst_l: phy-rst-l { rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>; }; vcc_phy_en: vcc-phy-en { rockchip,pins = <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; }; }; leds { pwr_led: pwr-led { rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; }; }; pcie { pcie_clkreqn: pci-clkreqn { rockchip,pins = <2 RK_PD2 2 &pcfg_pull_none>; }; vcc3v3_pcie_en: vcc3v3-pcie-en { rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; }; }; pmic { pmic_int_l: pmic-int-l { rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>; }; vsel1_pin: vsel1-pin { rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>; }; vsel2_pin: vsel2-pin { rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>; }; }; rtc { rtc_int: rtc-int { rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>; }; }; usb2 { vcc5v0_host_en: vcc5v0-hots-en { rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; }; otg_vbus_en: otg-vbus-en { rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; }; }; }; &pmu_io_domains { pmu1830-supply = <&vcc_1v8>; status = "okay"; }; &pwm2 { status = "okay"; }; &saradc { vref-supply = <&vcca1v8>; status = "okay"; }; &sdhci { max-frequency = <150000000>; bus-width = <8>; mmc-hs400-1_8v; mmc-hs400-enhanced-strobe; non-removable; status = "okay"; }; &spdif { status = "okay"; }; &sdmmc { bus-width = <4>; cap-mmc-highspeed; cap-sd-highspeed; cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>; disable-wp; max-frequency = <150000000>; pinctrl-names = "default"; pinctrl-0 = <&sdmmc_clk &sdmmc_cd &sdmmc_cmd &sdmmc_bus4>; vqmmc-supply = <&vcc_sd>; sd-uhs-sdr104; status = "okay"; }; &cdn_dp { phys = <&tcphy0_dp>; extcon = <&virtual_pd>; status = "okay"; }; &tcphy0 { extcon = <&virtual_pd>; status = "okay"; }; &tcphy1 { status = "okay"; }; &tsadc { /* tshut mode 0:CRU 1:GPIO */ rockchip,hw-tshut-mode = <1>; /* tshut polarity 0:LOW 1:HIGH */ rockchip,hw-tshut-polarity = <1>; status = "okay"; }; &u2phy0 { status = "okay"; u2phy0_host: host-port { phy-supply = <&vcc5v0_host>; status = "okay"; }; }; &u2phy1 { status = "okay"; u2phy1_host: host-port { phy-supply = <&vcc5v0_host>; status = "okay"; }; }; &uart0 { status = "okay"; }; &uart2 { status = "okay"; }; &uart4 { status = "okay"; }; &usb_host0_ehci { status = "okay"; }; &usb_host0_ohci { status = "okay"; }; &usb_host1_ehci { status = "okay"; }; &usb_host1_ohci { status = "okay"; }; &usbdrd3_0 { status = "okay"; }; &usbdrd_dwc3_0 { dr_mode = "host"; status = "okay"; }; &usbdrd3_1 { status = "okay"; }; &usbdrd_dwc3_1 { dr_mode = "host"; status = "okay"; }; &vopb { status = "okay"; }; &vopb_mmu { status = "okay"; }; &vopl { status = "okay"; }; &vopl_mmu { status = "okay"; }; &vopl_out_dp { status = "disabled"; }; &dp_in_vopl { status = "disabled"; }; &vopb_out_hdmi { status = "disabled"; }; &hdmi_in_vopb { status = "disabled"; };