| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2020 Rockchip Electronics Co., Ltd |
| * Copyright (c) 2024 Radxa Limited |
| * Copyright (c) 2024 Yao Zi <ziyao@disroot.org> |
| */ |
| |
| /dts-v1/; |
| |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/leds/common.h> |
| #include <dt-bindings/pwm/pwm.h> |
| #include "rk3528.dtsi" |
| |
| / { |
| model = "Radxa E20C"; |
| compatible = "radxa,e20c", "rockchip,rk3528"; |
| |
| aliases { |
| ethernet0 = &gmac1; |
| i2c1 = &i2c1; |
| mmc0 = &sdhci; |
| mmc1 = &sdmmc; |
| serial0 = &uart0; |
| }; |
| |
| chosen { |
| stdout-path = "serial0:1500000n8"; |
| }; |
| |
| adc-keys { |
| compatible = "adc-keys"; |
| io-channels = <&saradc 0>; |
| io-channel-names = "buttons"; |
| keyup-threshold-microvolt = <1800000>; |
| poll-interval = <100>; |
| |
| button-maskrom { |
| label = "MASKROM"; |
| linux,code = <KEY_SETUP>; |
| press-threshold-microvolt = <0>; |
| }; |
| }; |
| |
| gpio-keys { |
| compatible = "gpio-keys"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&user_key>; |
| |
| button-user { |
| gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>; |
| label = "USER"; |
| linux,code = <BTN_1>; |
| wakeup-source; |
| }; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&lan_led_g>, <&sys_led_g>, <&wan_led_g>; |
| |
| led-lan { |
| color = <LED_COLOR_ID_GREEN>; |
| default-state = "off"; |
| function = LED_FUNCTION_LAN; |
| gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>; |
| linux,default-trigger = "netdev"; |
| }; |
| |
| led-sys { |
| color = <LED_COLOR_ID_GREEN>; |
| default-state = "on"; |
| function = LED_FUNCTION_HEARTBEAT; |
| gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_LOW>; |
| linux,default-trigger = "heartbeat"; |
| }; |
| |
| led-wan { |
| color = <LED_COLOR_ID_GREEN>; |
| default-state = "off"; |
| function = LED_FUNCTION_WAN; |
| gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_HIGH>; |
| linux,default-trigger = "netdev"; |
| }; |
| }; |
| |
| vdd_0v9: regulator-0v9-vdd { |
| compatible = "regulator-fixed"; |
| regulator-name = "vdd_0v9"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <900000>; |
| vin-supply = <&vcc5v0_sys>; |
| }; |
| |
| vcc_ddr: regulator-1v1-vcc-ddr { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc_ddr"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1100000>; |
| vin-supply = <&vcc5v0_sys>; |
| }; |
| |
| vcc_1v8: regulator-1v8-vcc { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc_1v8"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| vin-supply = <&vcc_3v3>; |
| }; |
| |
| vcc_3v3: regulator-3v3-vcc { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc_3v3"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| vin-supply = <&vcc5v0_sys>; |
| }; |
| |
| vcc5v0_sys: regulator-5v0-vcc-sys { |
| compatible = "regulator-fixed"; |
| regulator-name = "vcc5v0_sys"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| }; |
| |
| vccio_sd: regulator-vccio-sd { |
| compatible = "regulator-gpio"; |
| gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&sdmmc_vol_ctrl_h>; |
| regulator-name = "vccio_sd"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <3300000>; |
| states = <1800000 0x0>, <3300000 0x1>; |
| vin-supply = <&vcc5v0_sys>; |
| }; |
| |
| vdd_arm: regulator-vdd-arm { |
| compatible = "pwm-regulator"; |
| pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>; |
| pwm-supply = <&vcc5v0_sys>; |
| regulator-name = "vdd_arm"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <746000>; |
| regulator-max-microvolt = <1201000>; |
| regulator-settling-time-up-us = <250>; |
| }; |
| |
| vdd_logic: regulator-vdd-logic { |
| compatible = "pwm-regulator"; |
| pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>; |
| pwm-supply = <&vcc5v0_sys>; |
| regulator-name = "vdd_logic"; |
| regulator-always-on; |
| regulator-boot-on; |
| regulator-min-microvolt = <705000>; |
| regulator-max-microvolt = <1006000>; |
| regulator-settling-time-up-us = <250>; |
| }; |
| }; |
| |
| &cpu0 { |
| cpu-supply = <&vdd_arm>; |
| }; |
| |
| &cpu1 { |
| cpu-supply = <&vdd_arm>; |
| }; |
| |
| &cpu2 { |
| cpu-supply = <&vdd_arm>; |
| }; |
| |
| &cpu3 { |
| cpu-supply = <&vdd_arm>; |
| }; |
| |
| &gmac1 { |
| clock_in_out = "output"; |
| phy-handle = <&rgmii_phy>; |
| phy-mode = "rgmii-id"; |
| phy-supply = <&vcc_3v3>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>, |
| <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>; |
| status = "okay"; |
| }; |
| |
| &gpu { |
| mali-supply = <&vdd_logic>; |
| status = "okay"; |
| }; |
| |
| &i2c1 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&i2c1m0_xfer>; |
| status = "okay"; |
| |
| eeprom@50 { |
| compatible = "belling,bl24c16a", "atmel,24c16"; |
| reg = <0x50>; |
| pagesize = <16>; |
| read-only; |
| vcc-supply = <&vcc_3v3>; |
| }; |
| }; |
| |
| &mdio1 { |
| rgmii_phy: ethernet-phy@1 { |
| compatible = "ethernet-phy-ieee802.3-c22"; |
| reg = <0x1>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&gmac1_rstn_l>; |
| reset-assert-us = <20000>; |
| reset-deassert-us = <100000>; |
| reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>; |
| }; |
| }; |
| |
| &pinctrl { |
| ethernet { |
| gmac1_rstn_l: gmac1-rstn-l { |
| rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| |
| gpio-keys { |
| user_key: user-key { |
| rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>; |
| }; |
| }; |
| |
| leds { |
| lan_led_g: lan-led-g { |
| rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| |
| sys_led_g: sys-led-g { |
| rockchip,pins = <4 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| |
| wan_led_g: wan-led-g { |
| rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| |
| sdmmc { |
| sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h { |
| rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| }; |
| }; |
| |
| &pwm1 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pwm1m0_pins>; |
| status = "okay"; |
| }; |
| |
| &pwm2 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&pwm2m0_pins>; |
| status = "okay"; |
| }; |
| |
| &saradc { |
| vref-supply = <&vcc_1v8>; |
| status = "okay"; |
| }; |
| |
| &sdhci { |
| bus-width = <8>; |
| cap-mmc-highspeed; |
| mmc-hs200-1_8v; |
| no-sd; |
| no-sdio; |
| non-removable; |
| vmmc-supply = <&vcc_3v3>; |
| vqmmc-supply = <&vcc_1v8>; |
| status = "okay"; |
| }; |
| |
| &sdmmc { |
| bus-width = <4>; |
| cap-mmc-highspeed; |
| cap-sd-highspeed; |
| disable-wp; |
| sd-uhs-sdr104; |
| vmmc-supply = <&vcc_3v3>; |
| vqmmc-supply = <&vccio_sd>; |
| status = "okay"; |
| }; |
| |
| &uart0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart0m0_xfer>; |
| status = "okay"; |
| }; |
