1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2020 Facebook Inc.
4 #include "aspeed-g6.dtsi"
5 #include <dt-bindings/gpio/aspeed-gpio.h>
15 bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M";
19 device_type = "memory";
20 reg = <0x80000000 0x80000000>;
24 * GPIO-based SPI Master is required to access SPI TPM, because
25 * full-duplex SPI transactions are not supported by ASPEED SPI
30 compatible = "spi-gpio";
34 gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
35 gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
36 gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
39 compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
40 spi-max-frequency = <33000000>;
54 #include "facebook-bmc-flash-layout-128.dtsi"
63 compatible = "fixed-partitions";
68 reg = <0x0 0x8000000>;
163 max-frequency = <25000000>;