|  | // SPDX-License-Identifier: GPL-2.0+ OR MIT | 
|  | // | 
|  | // Device Tree Source for UniPhier LD20 Reference Board | 
|  | // | 
|  | // Copyright (C) 2015-2016 Socionext Inc. | 
|  | //   Author: Masahiro Yamada <yamada.masahiro@socionext.com> | 
|  |  | 
|  | /dts-v1/; | 
|  | #include "uniphier-ld20.dtsi" | 
|  | #include "uniphier-ref-daughter.dtsi" | 
|  | #include "uniphier-support-card.dtsi" | 
|  |  | 
|  | / { | 
|  | model = "UniPhier LD20 Reference Board"; | 
|  | compatible = "socionext,uniphier-ld20-ref", "socionext,uniphier-ld20"; | 
|  |  | 
|  | chosen { | 
|  | stdout-path = "serial0:115200n8"; | 
|  | }; | 
|  |  | 
|  | aliases { | 
|  | serial0 = &serial0; | 
|  | serial1 = &serial1; | 
|  | serial2 = &serial2; | 
|  | serial3 = &serial3; | 
|  | i2c0 = &i2c0; | 
|  | i2c1 = &i2c1; | 
|  | i2c2 = &i2c2; | 
|  | i2c3 = &i2c3; | 
|  | i2c4 = &i2c4; | 
|  | i2c5 = &i2c5; | 
|  | }; | 
|  |  | 
|  | memory@80000000 { | 
|  | device_type = "memory"; | 
|  | reg = <0 0x80000000 0 0xc0000000>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | ðsc { | 
|  | interrupts = <0 8>; | 
|  | }; | 
|  |  | 
|  | &serial0 { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &gpio { | 
|  | xirq0 { | 
|  | gpio-hog; | 
|  | gpios = <UNIPHIER_GPIO_IRQ(0) 0>; | 
|  | input; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &i2c0 { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | ð { | 
|  | status = "okay"; | 
|  | phy-handle = <ðphy>; | 
|  | }; | 
|  |  | 
|  | &mdio { | 
|  | ethphy: ethphy@0 { | 
|  | reg = <0>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &pinctrl_ether_rgmii { | 
|  | tx { | 
|  | pins = "RGMII_TXCLK", "RGMII_TXD0", "RGMII_TXD1", | 
|  | "RGMII_TXD2", "RGMII_TXD3", "RGMII_TXCTL"; | 
|  | drive-strength = <9>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &usb { | 
|  | status = "okay"; | 
|  | }; |