diff options
Diffstat (limited to 'arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi')
-rw-r--r-- | arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi b/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi new file mode 100644 index 0000000000..31590d3186 --- /dev/null +++ b/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi @@ -0,0 +1,169 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2020 Facebook Inc. + +#include "aspeed-g6.dtsi" +#include <dt-bindings/gpio/aspeed-gpio.h> + +/ { + aliases { + mmc0 = &emmc; + spi1 = &spi1; + spi2 = &spi_gpio; + }; + + chosen { + bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M"; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x80000000>; + }; + + /* + * GPIO-based SPI Master is required to access SPI TPM, because + * full-duplex SPI transactions are not supported by ASPEED SPI + * Controllers. + */ + spi_gpio: spi { + status = "okay"; + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>; + gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>; + + tpmdev@0 { + compatible = "tcg,tpm_tis-spi"; + spi-max-frequency = <33000000>; + reg = <0>; + }; + }; +}; + +&fmc { + status = "okay"; + + flash@0 { + status = "okay"; + m25p,fast-read; + label = "spi0.0"; + +#include "facebook-bmc-flash-layout-128.dtsi" + }; + + flash@1 { + status = "okay"; + m25p,fast-read; + label = "spi0.1"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + flash1@0 { + reg = <0x0 0x8000000>; + label = "flash1"; + }; + }; + }; +}; + +&spi1 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&uart2 { + status = "okay"; +}; + +&uart5 { + status = "okay"; +}; + +&wdt1 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; +}; + +&i2c2 { + status = "okay"; +}; + +&i2c3 { + status = "okay"; +}; + +&i2c4 { + status = "okay"; +}; + +&i2c5 { + status = "okay"; +}; + +&i2c6 { + status = "okay"; +}; + +&i2c7 { + status = "okay"; +}; + +&i2c8 { + status = "okay"; +}; + +&i2c9 { + status = "okay"; +}; + +&i2c10 { + status = "okay"; +}; + +&i2c12 { + status = "okay"; +}; + +&i2c13 { + status = "okay"; +}; + +&i2c15 { + status = "okay"; +}; + +&vhub { + status = "okay"; +}; + +&emmc_controller { + status = "okay"; +}; + +&emmc { + status = "okay"; + + non-removable; + max-frequency = <25000000>; + bus-width = <4>; +}; + +&rtc { + status = "okay"; +}; |