|  | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) | 
|  |  | 
|  | /* | 
|  | * Copyright (C) 2018 O.S. Systems Software LTDA. | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  |  | 
|  | #include "rv1108.dtsi" | 
|  |  | 
|  | / { | 
|  | model = "Elgin RV1108 R1 board"; | 
|  | compatible = "elgin,rv1108-r1", "rockchip,rv1108"; | 
|  |  | 
|  | memory@60000000 { | 
|  | device_type = "memory"; | 
|  | reg = <0x60000000 0x08000000>; | 
|  | }; | 
|  |  | 
|  | chosen { | 
|  | stdout-path = "serial2:1500000n8"; | 
|  | }; | 
|  |  | 
|  | vcc_sys: vsys-regulator { | 
|  | compatible = "regulator-fixed"; | 
|  | regulator-name = "vsys"; | 
|  | regulator-min-microvolt = <5000000>; | 
|  | regulator-max-microvolt = <5000000>; | 
|  | regulator-boot-on; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &cpu0 { | 
|  | cpu-supply = <&vdd_core>; | 
|  | }; | 
|  |  | 
|  | &emmc { | 
|  | bus-width = <8>; | 
|  | cap-mmc-highspeed; | 
|  | no-sd; | 
|  | no-sdio; | 
|  | non-removable; | 
|  | mmc-ddr-1_8v; | 
|  | mmc-hs200-1_8v; | 
|  | pinctrl-names = "default"; | 
|  | pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &gmac { | 
|  | clock_in_out = "output"; | 
|  | pinctrl-names = "default"; | 
|  | pinctrl-0 = <&rmii_pins>; | 
|  | snps,reset-gpio = <&gpio1 RK_PC1 GPIO_ACTIVE_LOW>; | 
|  | snps,reset-active-low; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &i2c0 { | 
|  | clock-frequency = <400000>; | 
|  | i2c-scl-rising-time-ns = <275>; | 
|  | i2c-scl-falling-time-ns = <16>; | 
|  | status = "okay"; | 
|  |  | 
|  | rk805: pmic@18 { | 
|  | compatible = "rockchip,rk805"; | 
|  | reg = <0x18>; | 
|  | interrupt-parent = <&gpio0>; | 
|  | interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>; | 
|  | rockchip,system-power-controller; | 
|  |  | 
|  | vcc1-supply = <&vcc_sys>; | 
|  | vcc2-supply = <&vcc_sys>; | 
|  | vcc3-supply = <&vcc_sys>; | 
|  | vcc4-supply = <&vcc_sys>; | 
|  | vcc5-supply = <&vdd_buck2>; | 
|  | vcc6-supply = <&vdd_buck2>; | 
|  |  | 
|  | regulators { | 
|  | vdd_core: DCDC_REG1 { | 
|  | regulator-name= "vdd_core"; | 
|  | regulator-min-microvolt = <700000>; | 
|  | regulator-max-microvolt = <1500000>; | 
|  | regulator-always-on; | 
|  | regulator-boot-on; | 
|  | regulator-state-mem { | 
|  | regulator-on-in-suspend; | 
|  | regulator-suspend-microvolt = <900000>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | vdd_buck2: DCDC_REG2 { | 
|  | regulator-name= "vdd_buck2"; | 
|  | regulator-min-microvolt = <2200000>; | 
|  | regulator-max-microvolt = <2200000>; | 
|  | regulator-always-on; | 
|  | regulator-boot-on; | 
|  | 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_io: DCDC_REG4 { | 
|  | regulator-name= "vcc_io"; | 
|  | regulator-min-microvolt = <3300000>; | 
|  | regulator-max-microvolt = <3300000>; | 
|  | regulator-always-on; | 
|  | regulator-boot-on; | 
|  | regulator-state-mem { | 
|  | regulator-on-in-suspend; | 
|  | regulator-suspend-microvolt = <3300000>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | vdd_10: LDO_REG1 { | 
|  | regulator-name= "vdd_10"; | 
|  | regulator-min-microvolt = <1000000>; | 
|  | regulator-max-microvolt = <1000000>; | 
|  | regulator-always-on; | 
|  | regulator-boot-on; | 
|  | regulator-state-mem { | 
|  | regulator-off-in-suspend; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | vcc_18: LDO_REG2 { | 
|  | regulator-name= "vcc_18"; | 
|  | regulator-min-microvolt = <1800000>; | 
|  | regulator-max-microvolt = <1800000>; | 
|  | regulator-always-on; | 
|  | regulator-boot-on; | 
|  | regulator-state-mem { | 
|  | regulator-off-in-suspend; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | vdd10_pmu: LDO_REG3 { | 
|  | regulator-name= "vdd10_pmu"; | 
|  | regulator-min-microvolt = <1000000>; | 
|  | regulator-max-microvolt = <1000000>; | 
|  | regulator-always-on; | 
|  | regulator-boot-on; | 
|  | regulator-state-mem { | 
|  | regulator-on-in-suspend; | 
|  | regulator-suspend-microvolt = <1000000>; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &spi { | 
|  | pinctrl-names = "default"; | 
|  | pinctrl-0 = <&spim1_clk &spim1_cs0 &spim1_tx &spim1_rx>; | 
|  | status = "okay"; | 
|  |  | 
|  | dh2228fv: dac@0 { | 
|  | compatible = "rohm,dh2228fv"; | 
|  | reg = <0>; | 
|  | spi-max-frequency = <24000000>; | 
|  | spi-cpha; | 
|  | spi-cpol; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &u2phy { | 
|  | status = "okay"; | 
|  |  | 
|  | u2phy_host: host-port { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | u2phy_otg: otg-port { | 
|  | status = "okay"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &uart0 { | 
|  | pinctrl-names = "default"; | 
|  | pinctrl-0 = <&uart0_xfer>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &uart2 { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &usb_host_ehci { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &usb_host_ohci { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &usb_otg { | 
|  | status = "okay"; | 
|  | }; |