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Date: Wed, 20 Jul 2022 16:23:31 +0530
From: Logananth Sundararaj <logananth13.hcl@...il.com>
To: Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
soc@...nel.org, Rob Herring <robh+dt@...nel.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
openbmc@...ts.ozlabs.org
Cc: garnermic@...il.com, thangavel.k@....com, naveen.mosess@....com,
patrick@...cx.xyz, velumanit@....com
Subject: [PATCH v4] ARM: dts: aspeed: Adding Facebook Yosemite V3.5 BMC
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@....com>
---
--- v4 - Bootagrs and memory removed.
--- v3 - Addressed v2 patch comments.
--- v2 - Enabled i2c drivers.
--- v1 - Initial draft.
---
---
arch/arm/boot/dts/Makefile | 1 +
.../boot/dts/aspeed-bmc-facebook-fby35.dts | 260 ++++++++++++++++++
2 files changed, 261 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-fby35.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7e0934180724..58add093e5fb 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -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 \
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-fby35.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-fby35.dts
new file mode 100644
index 000000000000..05efba7117a8
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-fby35.dts
@@ -0,0 +1,260 @@
+// 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;
+ };
+
+ 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";
+ 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";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "spi0.1";
+ spi-max-frequency = <50000000>;
+ #include "openbmc-flash-layout-128.dtsi"
+ };
+ flash@1 {
+ status = "okay";
+ m25p,fast-read;
+ label = "spi0.0";
+ spi-max-frequency = <50000000>;
+ #include "openbmc-flash-layout.dtsi"
+ };
+};
+
+&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";
+};
--
2.17.1
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