On 14/11/2023 12:27, Zev Weiss wrote: > Like the E3C246D4I, this is a reasonably affordable off-the-shelf > mini-ITX AST2500/Xeon motherboard with good potential as an OpenBMC > development platform. Booting the host requires a modicum of eSPI > support that's not yet in the mainline kernel, but most other basic > BMC functionality is available with this device-tree. > > Signed-off-by: Zev Weiss <zev@xxxxxxxxxxxxxxxxx> > --- > arch/arm/boot/dts/aspeed/Makefile | 1 + > .../aspeed/aspeed-bmc-asrock-e3c256d4i.dts | 314 ++++++++++++++++++ > 2 files changed, 315 insertions(+) > create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c256d4i.dts > > diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile > index d3ac20e316d0..3398ee53f034 100644 > --- a/arch/arm/boot/dts/aspeed/Makefile > +++ b/arch/arm/boot/dts/aspeed/Makefile > @@ -9,6 +9,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \ > aspeed-bmc-ampere-mtmitchell.dtb \ > aspeed-bmc-arm-stardragon4800-rep2.dtb \ > aspeed-bmc-asrock-e3c246d4i.dtb \ > + aspeed-bmc-asrock-e3c256d4i.dtb \ > aspeed-bmc-asrock-romed8hm3.dtb \ > aspeed-bmc-bytedance-g220a.dtb \ > aspeed-bmc-delta-ahe50dc.dtb \ > diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c256d4i.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c256d4i.dts > new file mode 100644 > index 000000000000..4c55272afd4f > --- /dev/null > +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c256d4i.dts > @@ -0,0 +1,314 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/dts-v1/; > + > +#include "aspeed-g5.dtsi" > +#include <dt-bindings/gpio/aspeed-gpio.h> > +#include <dt-bindings/i2c/i2c.h> > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/watchdog/aspeed-wdt.h> > + > +/{ > + model = "ASRock E3C256D4I BMC"; > + compatible = "asrock,e3c256d4i-bmc", "aspeed,ast2500"; > + > + aliases { > + serial4 = &uart5; > + > + i2c20 = &i2c2mux0ch0; > + i2c21 = &i2c2mux0ch1; > + i2c22 = &i2c2mux0ch2; > + i2c23 = &i2c2mux0ch3; > + }; > + > + chosen { > + stdout-path = &uart5; > + bootargs = "console=tty0 console=ttyS4,115200 earlycon"; Drop bootargs. > + }; > + > + memory@80000000 { > + reg = <0x80000000 0x20000000>; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + heartbeat { It does not look like you tested the DTS against bindings. Please run `make dtbs_check W=1` (see Documentation/devicetree/bindings/writing-schema.rst or https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/ for instructions). > + gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>; > + linux,default-trigger = "timer"; Missing function and color. Best regards, Krzysztof