diff options
Diffstat (limited to 'dts/src/arm/berlin2cd-valve-steamlink.dts')
| -rw-r--r-- | dts/src/arm/berlin2cd-valve-steamlink.dts | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/dts/src/arm/berlin2cd-valve-steamlink.dts b/dts/src/arm/berlin2cd-valve-steamlink.dts new file mode 100644 index 0000000000..79ac842ae4 --- /dev/null +++ b/dts/src/arm/berlin2cd-valve-steamlink.dts @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright 2018 Alexander Monakov <amonakov@gmail.com> + */ +/dts-v1/; + +#include "berlin2cd.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + model = "Valve Steam Link"; + compatible = "valve,steamlink", "marvell,berlin2cd", "marvell,berlin"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x20000000>; /* 512 MB */ + }; + + gpio-restart { + compatible = "gpio-restart"; + gpios = <&porta 6 GPIO_ACTIVE_HIGH>; + active-delay = <100>; + inactive-delay = <10>; + wait-delay = <100>; + priority = <200>; + }; +}; + +&cpu { + cpu-supply = <&vcpu>; + operating-points = < + /* kHz uV */ + 1000000 1325000 + >; +}; + +&i2c0 { + status = "okay"; + + /* There are two regulators on the board. One is accessible via I2C, + * with buck1 providing SoC power (set up by bootloader to 1.325V or + * less depending on leakage value in OTP), and buck2 likely used for + * DRAM (providing 1.35V). The other regulator on the opposite side + * of the board is probably supplying SDIO and NAND fixed voltages. */ + regulator@19 { + compatible = "marvell,88pg868"; + reg = <0x19>; + + vcpu: buck1 { + regulator-boot-on; + regulator-always-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1325000>; + }; + }; +}; + +/* Fixed interface to on-board Marvell 8897 Wi-Fi/Bluetooth/NFC chip. */ +&sdhci0 { + keep-power-in-suspend; + non-removable; + status = "okay"; +}; + +&uart0 { + /* RX/TX are routed to TP50/TP51 on the board. */ + status = "okay"; +}; + +/* The SoC is connected to on-board USB hub that in turn has one downstream + * port wired to the on-board Steam Controller wireless receiver chip. */ +&usb_phy1 { status = "okay"; }; + +&usb1 { + dr_mode = "host"; + status = "okay"; +}; + +ð1 { status = "okay"; }; |