Add initial version of device tree for Meta Greatlakes BMC which is
equipped with Aspeed AST2600 BMC SoC.
Signed-off-by: Delphine CC Chiu <delphine_cc_c...@wiwynn.com>
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/ast2600-greatlakes.dts | 205 ++++++++++++++++++++++++++
configs/ast2600_openbmc_spl_defconfig | 1 +
3 files changed, 207 insertions(+)
create mode 100644 arch/arm/dts/ast2600-greatlakes.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 6c34b83336..c9cb54cddd 100755
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -686,6 +686,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
ast2600-evb.dtb \
ast2600-dcscm.dtb \
ast2600-fpga.dtb \
+ ast2600-greatlakes.dtb \
ast2600-intel.dtb \
ast2600-ncsi.dtb \
ast2600-p10bmc.dtb \
diff --git a/arch/arm/dts/ast2600-greatlakes.dts
b/arch/arm/dts/ast2600-greatlakes.dts
new file mode 100644
index 0000000000..59d6c7a087
--- /dev/null
+++ b/arch/arm/dts/ast2600-greatlakes.dts
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2022 Meta Platforms Inc.
+/dts-v1/;
+
+#include "ast2600-u-boot.dtsi"
+
+/ {
+ model = "Facebook Greatlakes BMC";
+ compatible = "facebook,greatlakes-bmc", "aspeed,ast2600";
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ };
+
+ aliases {
+ spi0 = &fmc;
+ ethernet3 = &mac3;
+ };
+
+ cpus {
+ cpu@0 {
+ clock-frequency = <800000000>;
+ };
+ cpu@1 {
+ clock-frequency = <800000000>;
+ };
+ };
+};
+
+&uart5 {
+ u-boot,dm-pre-reloc;
+ status = "okay";
+};
+
+&sdrammc {
+ clock-frequency = <400000000>;
+};
+
+&wdt1 {
+ status = "okay";
+};
+
+&wdt2 {
+ status = "okay";
+};
+
+&wdt3 {
+ status = "okay";
+};
+
+&mdio {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mdio4_default>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ethphy3: ethernet-phy@3 {
+ reg = <0>;
+ };
+};
+
+&mac3 {
+ status = "okay";
+ phy-mode = "rgmii";
+ phy-handle = <ðphy3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii4_default>;
+};
+
+&fmc {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_fmcquad_default>;
+
+ flash@0 {
+ status = "okay";
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+
+ flash@1 {
+ status = "okay";
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
+&gpio0 {
+ status = "okay";
+ line_148 {
+ gpio-hog;
+ gpios = <148 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "bmc-slot1-isolated-enabled";
+ };
+ line_149 {
+ gpio-hog;
+ gpios = <149 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "bmc-slot2-isolated-enabled";
+ };
+ line_150 {
+ gpio-hog;
+ gpios = <150 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "bmc-slot3-isolated-enabled";
+ };
+ line_151 {
+ gpio-hog;
+ gpios = <151 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "bmc-slot4-isolated-enabled";
+ };
+};
+
+&i2c0 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1_default>;
+};
+
+&i2c1 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2_default>;
+};
+
+&i2c2 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3_default>;
+};
+
+&i2c3 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c4_default>;
+};
+
+&i2c4 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c5_default>;
+};
+
+&i2c5 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c6_default>;
+};
+
+&i2c6 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c7_default>;
+};
+
+&i2c7 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c8_default>;
+};
+
+&i2c8 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c9_default>;
+};
+
+&scu {
+ mac0-clk-delay = <0x10 0x0a
+ 0x10 0x10
+ 0x10 0x10>;
+ mac1-clk-delay = <0x10 0x0a
+ 0x10 0x10
+ 0x10 0x10>;
+ mac2-clk-delay = <0x08 0x04
+ 0x08 0x04
+ 0x08 0x04>;
+ mac3-clk-delay = <0x08 0x04
+ 0x08 0x04
+ 0x08 0x04>;
+};
+
+&hace {
+ u-boot,dm-pre-reloc;
+ status = "okay";
+};
diff --git a/configs/ast2600_openbmc_spl_defconfig
b/configs/ast2600_openbmc_spl_defconfig
index 95d7651b8e..efd683570f 100644
--- a/configs/ast2600_openbmc_spl_defconfig
+++ b/configs/ast2600_openbmc_spl_defconfig
@@ -100,6 +100,7 @@ CONFIG_ASPEED_ACRY=y
CONFIG_DM_GPIO=y
CONFIG_SPL_GPIO_HOG=y
CONFIG_ASPEED_GPIO=y
+CONFIG_GPIO_HOG=y
CONFIG_DM_I2C=y
CONFIG_SYS_I2C_ASPEED=y
CONFIG_MISC=y
--
2.17.1
