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Message-Id: <20220105101719.7093-1-zev@bewilderbeest.net>
Date: Wed, 5 Jan 2022 02:17:19 -0800
From: Zev Weiss <zev@...ilderbeest.net>
To: linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org
Cc: openbmc@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
Olof Johansson <olof@...om.net>,
Rob Herring <robh+dt@...nel.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>,
Neil Horman <neil.horman@...vafy.com>,
Anthony Jenkins <anthony.jenkins@...vafy.com>,
Zev Weiss <zev@...ilderbeest.net>
Subject: [PATCH] ARM: dts: aspeed: Add ASRock ROMED8HM3 BMC
This is a half-width, single-socket Epyc server board with an AST2500
BMC. This device tree is sufficient for basic OpenBMC functionality,
but we'll need to add a few more devices (as driver support becomes
available) before it's fully usable.
Signed-off-by: Zev Weiss <zev@...ilderbeest.net>
---
arch/arm/boot/dts/Makefile | 1 +
.../boot/dts/aspeed-bmc-asrock-romed8hm3.dts | 259 ++++++++++++++++++
2 files changed, 260 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 0de64f237cd8..4008d2143b44 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1481,6 +1481,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-arm-centriq2400-rep.dtb \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
aspeed-bmc-asrock-e3c246d4i.dtb \
+ aspeed-bmc-asrock-romed8hm3.dtb \
aspeed-bmc-bytedance-g220a.dtb \
aspeed-bmc-facebook-cloudripper.dtb \
aspeed-bmc-facebook-cmm.dtb \
diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts
new file mode 100644
index 000000000000..e71ccfd1df63
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts
@@ -0,0 +1,259 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/{
+ model = "ASRock ROMED8HM3 BMC v1.00";
+ compatible = "asrock,romed8hm3-bmc", "aspeed,ast2500";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=tty0 console=ttyS4,115200 earlycon";
+ };
+
+ memory@...00000 {
+ reg = <0x80000000 0x20000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ heartbeat {
+ gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+
+ system-fault {
+ gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
+ panic-indicator;
+ };
+ };
+
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
+ <&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>,
+ <&adc 8>, <&adc 9>, <&adc 10>, <&adc 11>,
+ <&adc 12>, <&adc 13>, <&adc 14>, <&adc 15>;
+ };
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ spi-max-frequency = <100000000>; /* 100 MHz */
+#include "openbmc-flash-layout-64.dtsi"
+ };
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&vuart {
+ status = "okay";
+ aspeed,lpc-io-reg = <0x2f8>;
+ aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&mac0 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+};
+
+&i2c0 {
+ status = "okay";
+
+ /* inlet temp sensor */
+ w83773g@4c {
+ compatible = "nuvoton,w83773g";
+ reg = <0x4c>;
+ };
+};
+
+&i2c1 {
+ status = "okay";
+};
+
+&i2c2 {
+ status = "okay";
+
+ /* IPB temp sensor */
+ w83773g@4c {
+ compatible = "nuvoton,w83773g";
+ reg = <0x4c>;
+ };
+
+ /* IPB PMIC */
+ lm25066@40 {
+ compatible = "lm25066";
+ reg = <0x40>;
+ };
+
+ /* 12VSB PMIC */
+ lm25066@41 {
+ compatible = "lm25066";
+ reg = <0x41>;
+ };
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+
+ /* Baseboard FRU eeprom */
+ eeprom@50 {
+ compatible = "st,24c128", "atmel,24c128";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+};
+
+&i2c8 {
+ status = "okay";
+};
+
+&i2c9 {
+ status = "okay";
+};
+
+&video {
+ status = "okay";
+};
+
+&vhub {
+ status = "okay";
+};
+
+&lpc_ctrl {
+ status = "okay";
+};
+
+&lpc_snoop {
+ status = "okay";
+ snoop-ports = <0x80>;
+};
+
+&kcs3 {
+ status = "okay";
+ aspeed,lpc-io-reg = <0xca2>;
+};
+
+&pwm_tacho {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm3_default
+ &pinctrl_pwm4_default
+ &pinctrl_pwm5_default
+ &pinctrl_pwm6_default>;
+
+ fan@3 {
+ reg = <0x03>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x03 0x0b>;
+ };
+
+ fan@4 {
+ reg = <0x04>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x04 0x0c>;
+ };
+
+ fan@5 {
+ reg = <0x05>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x05 0x0d>;
+ };
+
+ fan@6 {
+ reg = <0x06>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x06 0x0e>;
+ };
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names =
+ /* A */ "LOCATORLED_STATUS_N", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
+ "", "", "", "",
+ /* B */ "DDR_MEM_TEMP", "", "", "", "", "", "", "",
+ /* C */ "", "", "", "", "PCIE_HP_SEL_N", "PCIE_SATA_SEL_N", "LOCATORBTN", "",
+ /* D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
+ "", "", "", "PSU_FAN_FAIL_N",
+ /* E */ "", "", "", "", "", "", "", "",
+ /* F */ "NIC_PWR_GOOD", "PRSNTB0", "PRSNTB1", "PRSNTB2",
+ "PRSNTB3", "", "3VSB_PCIE1_PG", "12V_PCIE1_PG",
+ /* G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
+ "BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "BMC_ALERT4_N",
+ /* H */ "X24_C1_PRSNT", "X24_C2_PRSNT", "X24_C3_PRSNT", "FM_MEM_THERM_EVENT_BMC_R_N",
+ "FACMODE", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
+ /* I */ "", "", "", "", "", "", "", "",
+ /* J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "", "P0_MA_DDR_QS_CS_N",
+ "", "", "", "",
+ /* K */ "", "", "", "", "", "", "", "",
+ /* L */ "", "", "", "", "", "", "", "",
+ /* M */ "", "", "MEZZ_PWRBRK_N", "OCP_HP_RST_EN",
+ "MAIN_PWR_EN_G", "BMC_MAIN_EN", "AUX_PWR_EN_G", "BMC_AUX_EN",
+ /* N */ "", "", "", "", "", "", "", "",
+ /* O */ "", "", "", "", "", "", "", "",
+ /* P */ "", "", "", "", "", "", "", "",
+ /* Q */ "", "", "", "",
+ "BMC_SMB_PRESENT_1_N", "BMC_SMB_PRESENT_2_N",
+ "BMC_SMB_PRESENT_3_N", "BMC_PCIE_WAKE_N",
+ /* R */ "", "", "THERMALTRIP_CLEAR_N", "", "", "", "", "",
+ /* S */ "", "", "", "", "", "", "", "",
+ /* T */ "", "", "", "", "", "", "", "",
+ /* U */ "", "", "", "", "", "", "", "",
+ /* V */ "", "", "", "", "", "", "", "",
+ /* W */ "", "", "", "", "", "", "", "",
+ /* X */ "", "", "", "", "", "", "", "",
+ /* Y */ "SLP_S3", "SLP_S4_S5", "NODE_ID_1", "NODE_ID_2", "", "", "", "",
+ /* Z */ "", "", "SYSTEM_FAULT_LED_N", "FAST_THROTTLE_N",
+ "", "", "", "",
+ /* AA */ "FM_CPU0_IBMC_THERMTRIP_N", "", "PROCHOT_L_G", "",
+ "", "", "", "",
+ /* AB */ "BMC_FORCE_SELFREFRESH", "PWRGD_OUT", "", "IRQ_BMC_PCH_SMI_LPC_N",
+ "", "", "", "",
+ /* AC */ "", "", "", "", "", "", "", "";
+};
+
+&adc {
+ status = "okay";
+ pinctrl-names = "default";
+ 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
+ &pinctrl_adc8_default
+ &pinctrl_adc9_default
+ &pinctrl_adc10_default
+ &pinctrl_adc11_default
+ &pinctrl_adc12_default
+ &pinctrl_adc13_default
+ &pinctrl_adc14_default
+ &pinctrl_adc15_default>;
+};
--
2.34.1
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