@@ -1465,6 +1465,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-facebook-cloudripper.dtb \
aspeed-bmc-facebook-cmm.dtb \
aspeed-bmc-facebook-elbert.dtb \
+ aspeed-bmc-facebook-fby35.dtb \
aspeed-bmc-facebook-fuji.dtb \
aspeed-bmc-facebook-galaxy100.dtb \
aspeed-bmc-facebook-minipack.dtb \
new file mode 100644
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright (c) 2020 Facebook Inc.
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/i2c/i2c.h>
+
+/ {
+ model = "Facebook fby35";
+ compatible = "facebook,fby35", "aspeed,ast2600";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=ttyS4,57600n8 root=/dev/ram rw vmalloc=384M";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>;
+ };
+
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
+ <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
+ <&adc1 0>, <&adc1 1>, <&adc1 2>, <&adc1 3>,
+ <&adc1 4>, <&adc1 5>, <&adc1 6>;
+ };
+ 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>;
+ num-chipselects = <1>;
+ cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
+
+ tpmdev@0 {
+ compatible = "tcg,tpm_tis-spi";
+ spi-max-frequency = <33000000>;
+ reg = <0>;
+ };
+ };
+
+};
+
+&mac3 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii4_default>;
+ no-hw-checksum;
+ use-ncsi;
+ mlx,multi-host;
+ ncsi-ctrl,start-redo-probe;
+ ncsi-ctrl,no-channel-monitor;
+ ncsi-package = <1>;
+ ncsi-channel = <1>;
+ ncsi-rexmit = <1>;
+ ncsi-timeout = <2>;
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&uart4 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+ /* Workaround for AST2600 A0 */
+ compatible = "snps,dw-apb-uart";
+};
+
+&wdt1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdtrst1_default>;
+ aspeed,reset-type = "soc";
+ aspeed,external-signal;
+ aspeed,ext-push-pull;
+ aspeed,ext-active-high;
+ aspeed,ext-pulse-duration = <256>;
+};
+
+&rtc {
+ status = "okay";
+};
+
+&fmc {
+ status = "okay";
+ reg = <0x1e620000 0xc4>, <0x20000000 0x8000000>;
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "spi0.1";
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ #include "openbmc-flash-layout-64.dtsi"
+ };
+};
+
+&spi1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spi1_default>;
+
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "pnor";
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <100000000>;
+ };
+};
+
+&i2c0 {
+ //Host1 IPMB bus
+ status = "okay";
+ multi-master;
+ ipmb0@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c1 {
+ //Host2 IPMB bus
+ status = "okay";
+ multi-master;
+ ipmb1@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c2 {
+ //Host3 IPMB bus
+ status = "okay";
+ multi-master;
+ ipmb2@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c3 {
+ //Host1 IPMB bus
+ status = "okay";
+ multi-master;
+ ipmb3@10 {
+ compatible = "ipmb-dev";
+ reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ //NIC SENSOR TEMP
+ status = "okay";
+ tmp421@1f {
+ compatible = "ti,tmp421";
+ reg = <0x1f>;
+ };
+};
+
+&i2c9 {
+ // Debug-Card IPMB bus
+ status = "okay";
+ multi-master;
+ ipmb9@30 {
+ compatible = "ipmb-dev";
+ reg = <(0x30 | I2C_OWN_SLAVE_ADDRESS)>;
+ i2c-protocol;
+ };
+};
+
+&i2c10 {
+ status = "okay";
+};
+
+&i2c11 {
+ status = "okay";
+ //FRU EEPROM
+ eeprom@51 {
+ compatible = "atmel,24c64";
+ reg = <0x51>;
+ pagesize = <32>;
+ };
+};
+
+&i2c12 {
+ status = "okay";
+ //INLET TEMP
+ tmp75@4e {
+ compatible = "ti,tmp75";
+ reg = <0x4e>;
+ };
+ //OUTLET TEMP
+ tmp75@4f {
+ compatible = "ti,tmp75";
+ reg = <0x4f>;
+ };
+};
+
+&i2c13 {
+ status = "okay";
+};
+
+&adc0 {
+ ref_voltage = <2500>;
+ status = "okay";
+
+ pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
+ &pinctrl_adc2_default &pinctrl_adc3_default
+ &pinctrl_adc4_default &pinctrl_adc5_default
+ &pinctrl_adc6_default &pinctrl_adc7_default>;
+};
+
+&adc1 {
+ ref_voltage = <2500>;
+ status = "okay";
+
+ pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc9_default
+ &pinctrl_adc10_default &pinctrl_adc11_default
+ &pinctrl_adc12_default &pinctrl_adc13_default>;
+};
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&uhci {
+ status = "okay";
+};
The Yosemite V3.5 is a facebook multi-node server platform that host four OCP server. The BMC in the Yosemite V3.5 platform based on AST2600 SoC. This patch adds linux device tree entry related to Yosemite V3.5 specific devices connected to BMC SoC. Signed-off-by: Logananth Sundararaj <logananth_s@hcl.com> --- --- v2 - Enabled i2c drivers. --- v1 - Initial draft. --- arch/arm/boot/dts/Makefile | 1 + .../boot/dts/aspeed-bmc-facebook-fby35.dts | 277 ++++++++++++++++++ 2 files changed, 278 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-fby35.dts