[PATCH] ARM: dts: aspeed: Add ASRock X570D4U BMC

From: Renze Nicolai
Date: Sun Nov 06 2022 - 17:35:29 EST

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This is a relatively low-cost AST2500-based Amd Ryzen 5000 Series
micro-ATX board that we hope can provide a decent platform for OpenBMC
development.

This initial device-tree provides the necessary configuration for
basic BMC functionality such as serial console, KVM support
and POST code snooping.

Signed-off-by: Renze Nicolai <renze@xxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 1 +
.../boot/dts/aspeed-bmc-asrock-x570d4u.dts | 360 ++++++++++++++++++
2 files changed, 361 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed-bmc-asrock-x570d4u.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6aa7dc4db2fc..adbbf27dfcee 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1587,6 +1587,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
aspeed-bmc-asrock-e3c246d4i.dtb \
aspeed-bmc-asrock-romed8hm3.dtb \
+ aspeed-bmc-asrock-x570d4u.dtb \
aspeed-bmc-bytedance-g220a.dtb \
aspeed-bmc-facebook-bletchley.dtb \
aspeed-bmc-facebook-cloudripper.dtb \
diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-x570d4u.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-x570d4u.dts
new file mode 100644
index 000000000000..818c8879e0a0
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-asrock-x570d4u.dts
@@ -0,0 +1,360 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2022 Renze Nicolai <renze@xxxxxxxxx>
+
+/dts-v1/;
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+ model = "Asrock Rack X570D4U BMC";
+ compatible = "asrock,x570d4u-bmc";
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=ttyS4,115200 earlycon";
+ };
+
+ memory@80000000 {
+ reg = <0x80000000 0x20000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ flash_memory: region@98000000 {
+ no-map;
+ reg = <0x98000000 0x04000000>; /* 64M */
+ };
+
+ vga_memory: framebuffer@9f000000 {
+ no-map;
+ reg = <0x9f000000 0x01000000>; /* 16M */
+ };
+
+ pci_memory: region@9A000000 {
+ no-map;
+ reg = <0x9A000000 0x00010000>; /* 64K */
+ };
+
+ video_engine_memory: jpegbuffer {
+ size = <0x02800000>; /* 40M */
+ alignment = <0x01000000>;
+ compatible = "shared-dma-pool";
+ reusable;
+ };
+
+ gfx_memory: framebuffer {
+ size = <0x01000000>;
+ alignment = <0x01000000>;
+ compatible = "shared-dma-pool";
+ reusable;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ heartbeat {
+ /* BMC_HB_LED_N */
+ gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+
+ system-fault {
+ /* SYSTEM_FAULT_LED_N */
+ 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>;
+ };
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names =
+ /*A0-A3*/ "LOCATORLED_STATUS_N", "", "NMI_BTN_N", "BMC_NMI",
+ /*A4-A7*/ "", "", "", "",
+ /*B0-B3*/ "FM_BIOS_POST_CMPLT_N", "", "", "",
+ /*B4-B7*/ "", "IRQ_BMC_PCH_SMI_LPC_N","", "",
+ /*C0-C3*/ "", "", "", "",
+ /*C4-C7*/ "", "", "LOCATORBTN", "",
+ /*D0-D3*/ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
+ /*D4-D7*/ "", "", "", "",
+ /*E0-E3*/ "", "", "", "",
+ /*E4-E7*/ "", "", "", "",
+ /*F0-F3*/ "", "", "", "",
+ /*F4-F7*/ "", "", "", "",
+ /*G0-G3*/ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
+ /*G4-G7*/ "BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT",
+ /*H0-H3*/ "", "O_PWROK", "", "",
+ /*H4-H7*/ "MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
+ /*I0-I3*/ "", "", "", "",
+ /*I4-I7*/ "", "", "", "",
+ /*J0-J3*/ "BMC_READY", "", "", "",
+ /*J4-J7*/ "VGAHS", "VGAVS", "DDCCLK", "DDCDAT",
+ /*K0-K3*/ "I2C_SCL4", "I2C_SDA4", "I2C_SCL5", "I2C_SDA5",
+ /*K4-K7*/ "", "", "I2C_SCL7", "I2C_SDA7",
+ /*L0-L3*/ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1",
+ /*L4-L7*/ "BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1",
+ /*M0-M3*/ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "",
+ /*M4-M7*/ "", "", "", "",
+ /*N0-N3*/ "PWM_FAN1", "PWM_FAN2", "PWM_FAN3", "PWM_FAN4",
+ /*N4-N7*/ "PWM_FAN6", "PWM_FAN5", "", "",
+ /*O0-O3*/ "TACHO_FAN1", "TACHO_FAN2", "TACHO_FAN3", "TACHO_FAN4",
+ /*O4-O7*/ "TACHO_FAN5", "TACHO_FAN6", "", "",
+ /*P0-P3*/ "", "", "", "PS_PWROK",
+ /*P4-P7*/ "", "", "", "",
+ /*Q0-Q3*/ "I2C_SCL2", "I2C_SDA2", "I2C_SCL3", "I2C_SDA3",
+ /*Q4-Q7*/ "BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N", "BMC_SBM_PRESENT_3_N","BMC_PCIE_WAKE_N",
+ /*R0-R3*/ "", "", "", "",
+ /*R4-R7*/ "", "", "", "",
+ /*S0-S3*/ "PCHHOT_BMC_N", "", "RSMRST", "",
+ /*S4-S7*/ "", "", "", "",
+ /*T0-T3*/ "RGMII1TXCK", "RGMII1TXCL", "RGMII1TXD0", "RGMII1TXD1",
+ /*T4-T7*/ "RGMII1TXD2", "RGMII1TXD3", "RMII2RCLKO", "RMII2TXEN",
+ /*U0-U3*/ "RMII2TXD0", "RMII2TXD1", "", "",
+ /*U4-U7*/ "RGMII1RXCK", "RGMII1RXCTL", "RGMII1RXD0", "RGMII1RXD1",
+ /*V0-V3*/ "RGMII1RXD2", "RGMII1RXD3", "RMII2RCLKI", "",
+ /*V4-V7*/ "RMII2RXD0", "RMII2RXD1", "RMII2CRSDV", "RMII2RXER",
+ /*W0-W3*/ "", "", "", "",
+ /*W4-W7*/ "", "", "", "",
+ /*X0-X3*/ "", "", "", "",
+ /*X4-X7*/ "", "", "", "",
+ /*Y0-Y3*/ "SLP_S3", "SLP_S5", "", "",
+ /*Y4-Y7*/ "I2C_SCL0", "I2C_SDA0", "I2C_SCL1", "I2C_SDA1",
+ /*Z0-Z3*/ "", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N",
+ /*Z4-Z7*/ "", "", "", "",
+ /*AA0-AA3*/ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "",
+ /*AA4-AC7*/ "", "", "", "",
+ /*AB0-AB3*/ "", "", "", "",
+ /*AB4-AC7*/ "", "", "", "",
+ /*AC0-AC3*/ "LAD0", "LAD1", "LAD2", "LAD3",
+ /*AC4-AC7*/ "CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST";
+
+
+ /* Assert BMC_READY so BIOS doesn't sit around waiting for it */
+ bmc-ready {
+ gpio-hog;
+ gpios = <ASPEED_GPIO(J, 0) GPIO_ACTIVE_LOW>;
+ output-high;
+ };
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ label = "bmc";
+ m25p,fast-read;
+ spi-max-frequency = <10000000>;
+#include "openbmc-flash-layout-64.dtsi"
+ };
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&vuart {
+ status = "okay";
+};
+
+&mac0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+};
+
+&mac1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii2_default &pinctrl_mdio2_default>;
+ use-ncsi;
+};
+
+&i2c0 {
+ status = "okay";
+};
+
+&i2c1 {
+ status = "okay";
+
+ w83773g@4c {
+ compatible = "nuvoton,w83773g";
+ reg = <0x4c>;
+ };
+};
+
+&i2c2 {
+ status = "okay";
+};
+
+&i2c3 {
+ status = "okay";
+};
+
+&i2c4 {
+ status = "okay";
+
+ i2c-switch@70 {
+ compatible = "nxp,pca9545";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x70>;
+
+ interrupt-parent = <&i2c_ic>;
+ interrupts = <4>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+ };
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+
+ eeprom@57 {
+ compatible = "st,24c128", "atmel,24c128";
+ reg = <0x57>;
+ pagesize = <16>;
+ };
+};
+
+&gfx {
+ status = "okay";
+};
+
+&pinctrl {
+ aspeed,external-nodes = <&gfx &lhc>;
+};
+
+&vhub {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+&uhci {
+ status = "okay";
+};
+
+&kcs3 {
+ aspeed,lpc-io-reg = <0xca2>;
+ status = "okay";
+};
+
+&lpc_ctrl {
+ status = "okay";
+};
+
+&lpc_snoop {
+ status = "okay";
+ snoop-ports = <0x80>;
+};
+
+&p2a {
+ status = "okay";
+ memory-region = <&pci_memory>;
+};
+
+&video {
+ status = "okay";
+ memory-region = <&video_engine_memory>;
+};
+
+&gfx {
+ status = "okay";
+ memory-region = <&gfx_memory>;
+};
+
+&pwm_tacho {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0_default
+ &pinctrl_pwm1_default
+ &pinctrl_pwm2_default
+ &pinctrl_pwm3_default
+ &pinctrl_pwm4_default
+ &pinctrl_pwm5_default>;
+ fan@0 {
+ reg = <0x00>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x00 0x01>;
+ };
+ fan@1 {
+ reg = <0x01>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x02 0x03>;
+ };
+ fan@2 {
+ reg = <0x02>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x04 0x05>;
+ };
+ fan@3 {
+ reg = <0x03>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x06 0x07>;
+ };
+ fan@4 {
+ reg = <0x04>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x08 0x09>;
+ };
+ fan@5 {
+ reg = <0x05>;
+ aspeed,fan-tach-ch = /bits/ 8 <0x0a 0x0b>;
+ };
+};
+
+&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>;
+};
--
2.38.1

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