From 0c6881e86d2f07458f284429759c5332112859ed Mon Sep 17 00:00:00 2001 From: Tao Ren Date: Thu, 5 Aug 2021 15:28:15 -0700 Subject: [PATCH] ARM: dts: aspeed: Common dtsi for Facebook AST2600 Network BMCs This common descirption is included by all Facebook AST2600 Network BMC platforms to minimize duplicated device entries across Facebook Network BMC device trees. Signed-off-by: Tao Ren Signed-off-by: Joel Stanley Link: https://lore.kernel.org/r/20210805222818.8391-4-rentao.bupt@gmail.com Signed-off-by: Joel Stanley --- .../boot/dts/ast2600-facebook-netbmc-common.dtsi | 169 +++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi diff --git a/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi new file mode 100644 index 0000000..051de5b --- /dev/null +++ b/arch/arm/boot/dts/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 + +/ { + 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-gpio { + 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"; +}; -- 2.7.4