linux_dsm_epyc7002/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
Cédric Le Goater 876c5d891c ARM: dts: aspeed: Add "spi-max-frequency" property
Keep the FMC controller chips at a safe 50 MHz rate and use 100 MHz
for the PNOR on the machines using a AST2500 SoC.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
2019-11-01 15:33:21 +10:30

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// SPDX-License-Identifier: GPL-2.0+
/dts-v1/;
#include "aspeed-g4.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
/ {
model = "Palmetto BMC";
compatible = "tyan,palmetto-bmc", "aspeed,ast2400";
chosen {
stdout-path = &uart5;
bootargs = "console=ttyS4,115200 earlyprintk";
};
memory@40000000 {
reg = <0x40000000 0x20000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
vga_memory: framebuffer@5f000000 {
no-map;
reg = <0x5f000000 0x01000000>; /* 16M */
};
coldfire_memory: codefire_memory@5ee00000 {
reg = <0x5ee00000 0x00200000>;
no-map;
};
flash_memory: region@5c000000 {
no-map;
reg = <0x5C000000 0x02000000>; /* 32MB */
};
};
leds {
compatible = "gpio-leds";
heartbeat {
gpios = <&gpio ASPEED_GPIO(R, 4) GPIO_ACTIVE_LOW>;
};
power {
gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
};
identify {
gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
};
};
fsi: gpio-fsi {
compatible = "aspeed,ast2400-cf-fsi-master", "fsi-master";
#address-cells = <2>;
#size-cells = <0>;
memory-region = <&coldfire_memory>;
aspeed,sram = <&sram>;
aspeed,cvic = <&cvic>;
clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>;
mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
};
gpio-keys {
compatible = "gpio-keys";
checkstop {
label = "checkstop";
gpios = <&gpio ASPEED_GPIO(P, 5) GPIO_ACTIVE_LOW>;
linux,code = <ASPEED_GPIO(P, 5)>;
};
};
};
&fmc {
status = "okay";
flash@0 {
status = "okay";
m25p,fast-read;
label = "bmc";
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
};
};
&spi {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1debug_default>;
flash@0 {
status = "okay";
m25p,fast-read;
spi-max-frequency = <50000000>;
label = "pnor";
};
};
&pinctrl {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flbusy_default &pinctrl_flwp_default
&pinctrl_vgahs_default &pinctrl_vgavs_default
&pinctrl_ddcclk_default &pinctrl_ddcdat_default>;
};
&uart1 {
/* Rear RS-232 connector */
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_txd1_default
&pinctrl_rxd1_default
&pinctrl_nrts1_default
&pinctrl_ndtr1_default
&pinctrl_ndsr1_default
&pinctrl_ncts1_default
&pinctrl_ndcd1_default
&pinctrl_nri1_default>;
};
&uart5 {
status = "okay";
};
&mac0 {
status = "okay";
use-ncsi;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rmii1_default>;
};
&i2c0 {
status = "okay";
eeprom@50 {
compatible = "atmel,24c256";
reg = <0x50>;
pagesize = <64>;
};
rtc@68 {
compatible = "dallas,ds3231";
reg = <0x68>;
};
};
&i2c1 {
status = "okay";
};
&i2c2 {
status = "okay";
tmp423@4c {
compatible = "ti,tmp423";
reg = <0x4c>;
};
};
&i2c3 {
status = "okay";
occ-hwmon@50 {
compatible = "ibm,p8-occ-hwmon";
reg = <0x50>;
};
};
&i2c4 {
status = "okay";
};
&i2c5 {
status = "okay";
};
&i2c6 {
status = "okay";
};
&i2c7 {
status = "okay";
};
&vuart {
status = "okay";
};
&ibt {
status = "okay";
};
&lpc_ctrl {
status = "okay";
memory-region = <&flash_memory>;
flash = <&spi>;
};
&gpio {
pin_func_mode0 {
gpio-hog;
gpios = <ASPEED_GPIO(C, 4) GPIO_ACTIVE_HIGH>;
output-low;
line-name = "func_mode0";
};
pin_func_mode1 {
gpio-hog;
gpios = <ASPEED_GPIO(C, 5) GPIO_ACTIVE_HIGH>;
output-low;
line-name = "func_mode1";
};
pin_func_mode2 {
gpio-hog;
gpios = <ASPEED_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
output-low;
line-name = "func_mode2";
};
pin_gpio_a0 {
gpio-hog;
gpios = <ASPEED_GPIO(A, 0) GPIO_ACTIVE_HIGH>;
input;
line-name = "BMC_FAN_RESERVED_N";
};
pin_gpio_a1 {
gpio-hog;
gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "APSS_WDT_N";
};
pin_gpio_b1 {
gpio-hog;
gpios = <ASPEED_GPIO(B, 1) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "APSS_BOOT_MODE";
};
pin_gpio_b2 {
gpio-hog;
gpios = <ASPEED_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "APSS_RESET_N";
};
pin_gpio_b7 {
gpio-hog;
gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "SPIVID_STBY_RESET_N";
};
pin_gpio_d1 {
gpio-hog;
gpios = <ASPEED_GPIO(D, 1) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "BMC_POWER_UP";
};
pin_gpio_f1 {
gpio-hog;
gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>;
input;
line-name = "BMC_BATTERY_TEST";
};
pin_gpio_f4 {
gpio-hog;
gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>;
input;
line-name = "AST_HW_FAULT_N";
};
pin_gpio_f5 {
gpio-hog;
gpios = <ASPEED_GPIO(F, 5) GPIO_ACTIVE_HIGH>;
input;
line-name = "AST_SYS_FAULT_N";
};
pin_gpio_f7 {
gpio-hog;
gpios = <ASPEED_GPIO(F, 7) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "BMC_FULL_SPEED_N";
};
pin_gpio_g3 {
gpio-hog;
gpios = <ASPEED_GPIO(G, 3) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "BMC_FAN_ERROR_N";
};
pin_gpio_g4 {
gpio-hog;
gpios = <ASPEED_GPIO(G, 4) GPIO_ACTIVE_HIGH>;
input;
line-name = "BMC_WDT_RST1_P";
};
pin_gpio_g5 {
gpio-hog;
gpios = <ASPEED_GPIO(G, 5) GPIO_ACTIVE_HIGH>;
input;
line-name = "BMC_WDT_RST2_P";
};
pin_gpio_h0 {
gpio-hog;
gpios = <ASPEED_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
input;
line-name = "PE_SLOT_TEST_EN_N";
};
pin_gpio_h1 {
gpio-hog;
gpios = <ASPEED_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
input;
line-name = "BMC_RTCRST_N";
};
pin_gpio_h2 {
gpio-hog;
gpios = <ASPEED_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "SYS_PWROK_BMC";
};
pin_gpio_h7 {
gpio-hog;
gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "BMC_TPM_INT_N";
};
};
&fsi {
cfam@0,0 {
reg = <0 0>;
#address-cells = <1>;
#size-cells = <1>;
chip-id = <0>;
scom@1000 {
compatible = "ibm,fsi2pib";
reg = <0x1000 0x400>;
};
fsi_hub0: hub@3400 {
compatible = "ibm,fsi-master-hub";
reg = <0x3400 0x400>;
#address-cells = <2>;
#size-cells = <0>;
no-scan-on-init;
};
};
};