1// SPDX-License-Identifier: GPL-2.0+ 2// Copyright (c) 2020 Facebook Inc. 3 4#include "aspeed-g6.dtsi" 5#include <dt-bindings/gpio/aspeed-gpio.h> 6 7/ { 8 aliases { 9 mmc0 = &emmc; 10 spi1 = &spi1; 11 spi2 = &spi_gpio; 12 }; 13 14 chosen { 15 bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M"; 16 }; 17 18 memory@80000000 { 19 device_type = "memory"; 20 reg = <0x80000000 0x80000000>; 21 }; 22 23 /* 24 * GPIO-based SPI Master is required to access SPI TPM, because 25 * full-duplex SPI transactions are not supported by ASPEED SPI 26 * Controllers. 27 */ 28 spi_gpio: spi { 29 status = "okay"; 30 compatible = "spi-gpio"; 31 #address-cells = <1>; 32 #size-cells = <0>; 33 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>; 37 38 tpm@0 { 39 compatible = "infineon,slb9670", "tcg,tpm_tis-spi"; 40 spi-max-frequency = <33000000>; 41 reg = <0>; 42 }; 43 }; 44}; 45 46&fmc { 47 status = "okay"; 48 49 flash@0 { 50 status = "okay"; 51 m25p,fast-read; 52 label = "spi0.0"; 53 54#include "facebook-bmc-flash-layout-128.dtsi" 55 }; 56 57 flash@1 { 58 status = "okay"; 59 m25p,fast-read; 60 label = "spi0.1"; 61 62 partitions { 63 compatible = "fixed-partitions"; 64 #address-cells = <1>; 65 #size-cells = <1>; 66 67 flash1@0 { 68 reg = <0x0 0x8000000>; 69 label = "flash1"; 70 }; 71 }; 72 }; 73}; 74 75&spi1 { 76 status = "okay"; 77}; 78 79&uart1 { 80 status = "okay"; 81}; 82 83&uart2 { 84 status = "okay"; 85}; 86 87&uart5 { 88 status = "okay"; 89}; 90 91&wdt1 { 92 status = "okay"; 93}; 94 95&i2c0 { 96 status = "okay"; 97}; 98 99&i2c1 { 100 status = "okay"; 101}; 102 103&i2c2 { 104 status = "okay"; 105}; 106 107&i2c3 { 108 status = "okay"; 109}; 110 111&i2c4 { 112 status = "okay"; 113}; 114 115&i2c5 { 116 status = "okay"; 117}; 118 119&i2c6 { 120 status = "okay"; 121}; 122 123&i2c7 { 124 status = "okay"; 125}; 126 127&i2c8 { 128 status = "okay"; 129}; 130 131&i2c9 { 132 status = "okay"; 133}; 134 135&i2c10 { 136 status = "okay"; 137}; 138 139&i2c12 { 140 status = "okay"; 141}; 142 143&i2c13 { 144 status = "okay"; 145}; 146 147&i2c15 { 148 status = "okay"; 149}; 150 151&vhub { 152 status = "okay"; 153}; 154 155&emmc_controller { 156 status = "okay"; 157}; 158 159&emmc { 160 status = "okay"; 161 162 non-removable; 163 max-frequency = <25000000>; 164 bus-width = <4>; 165}; 166 167&rtc { 168 status = "okay"; 169}; 170