From e39e134d31b22f5c8712d0d2926c6ae8dcbdbc8f Mon Sep 17 00:00:00 2001 From: Tao Ren Date: Wed, 8 May 2019 20:55:49 -0700 Subject: ARM: dts: aspeed: Add Facebook YAMP BMC Add initial version of device tree for Facebook YAMP ast2500 BMC. Signed-off-by: Tao Ren Acked-by: Andrew Jeffery Signed-off-by: Joel Stanley --- arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts | 160 +++++++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts (limited to 'arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts') diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts new file mode 100644 index 000000000000..4e09a9cf32b7 --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-yamp.dts @@ -0,0 +1,160 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2018 Facebook Inc. +/dts-v1/; + +#include "aspeed-g5.dtsi" + +/ { + model = "Facebook YAMP 100 BMC"; + compatible = "facebook,yamp-bmc", "aspeed,ast2500"; + + aliases { + /* + * Override the default uart aliases to avoid breaking + * the legacy applications. + */ + serial0 = &uart5; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + }; + + chosen { + stdout-path = &uart5; + bootargs = "console=ttyS0,9600n8 root=/dev/ram rw"; + }; + + memory@80000000 { + reg = <0x80000000 0x20000000>; + }; +}; + +&pinctrl { + aspeed,external-nodes = <&gfx &lhc>; +}; + +/* + * Update reset type to "system" (full chip) to fix warm reboot hang issue + * when reset type is set to default ("soc", gated by reset mask registers). + */ +&wdt1 { + status = "okay"; + aspeed,reset-type = "system"; +}; + +/* + * wdt2 is not used by Yamp. + */ +&wdt2 { + status = "disabled"; +}; + +&fmc { + status = "okay"; + flash@0 { + status = "okay"; + m25p,fast-read; + label = "bmc"; +#include "facebook-bmc-flash-layout.dtsi" + }; +}; + +&uart1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd1_default + &pinctrl_rxd1_default>; +}; + +&uart2 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd2_default + &pinctrl_rxd2_default>; +}; + +&uart3 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd3_default + &pinctrl_rxd3_default>; +}; + +&uart5 { + status = "okay"; +}; + +&mac0 { + status = "okay"; + use-ncsi; + no-hw-checksum; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rmii1_default>; +}; + +&i2c0 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; +}; + +&i2c2 { + status = "okay"; + + i2c-switch@75 { + compatible = "nxp,pca9548"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x75>; + }; +}; + +&i2c3 { + status = "okay"; +}; + +&i2c4 { + status = "okay"; +}; + +&i2c5 { + status = "okay"; +}; + +&i2c6 { + status = "okay"; +}; + +&i2c7 { + status = "okay"; +}; + +&i2c8 { + status = "okay"; +}; + +&i2c9 { + status = "okay"; +}; + +&i2c10 { + status = "okay"; +}; + +&i2c11 { + status = "okay"; +}; + +&i2c12 { + status = "okay"; +}; + +&i2c13 { + status = "okay"; +}; + +&vhub { + status = "okay"; +}; -- cgit v1.2.3