ARM: dts: aspeed: asrock: Add ASRock X570D4U BMC

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@rnplus.nl>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20231202003908.3635695-3-renze@rnplus.nl
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

2 files changed, 378 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index 2df0a2e88df7..d47bb3129881 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-bmc-asrock-e3c246d4i.dtb \
 	aspeed-bmc-asrock-romed8hm3.dtb \
 	aspeed-bmc-asrock-spc621d8hm3.dtb \
+	aspeed-bmc-asrock-x570d4u.dtb \
 	aspeed-bmc-bytedance-g220a.dtb \
 	aspeed-bmc-delta-ahe50dc.dtb \
 	aspeed-bmc-facebook-bletchley.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts
new file mode 100644
index 000000000000..3c975bc41ae7
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-x570d4u.dts
@@ -0,0 +1,377 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "Asrock Rack X570D4U BMC";
+	compatible = "asrock,x570d4u-bmc", "aspeed,ast2500";
+
+	aliases {
+		i2c40 = &i2c4mux0ch0;
+		i2c41 = &i2c4mux0ch1;
+		i2c42 = &i2c4mux0ch2;
+		i2c43 = &i2c4mux0ch3;
+	};
+
+	chosen {
+		stdout-path = &uart5;
+	};
+
+	memory@80000000 {
+		reg = <0x80000000 0x20000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		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";
+
+		led-0 {
+			/* led-heartbeat-n */
+			gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_HEARTBEAT;
+			linux,default-trigger = "timer";
+		};
+
+		led-1 {
+			/* led-fault-n */
+			gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
+			color = <LED_COLOR_ID_AMBER>;
+			function = LED_FUNCTION_FAULT;
+			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*/       "status-locatorled-n",                    "",                      "button-nmi-n",          "",
+	/*A4-A7*/       "",                                       "",                      "",                      "",
+	/*B0-B3*/       "input-bios-post-cmplt-n",                "",                      "",                      "",
+	/*B4-B7*/       "",                                       "",                      "",                      "",
+	/*C0-C3*/       "",                                       "",                      "",                      "",
+	/*C4-C7*/       "",                                       "",                      "control-locatorbutton", "",
+	/*D0-D3*/       "button-power",                           "control-power",         "button-reset",          "control-reset",
+	/*D4-D7*/       "",                                       "",                      "",                      "",
+	/*E0-E3*/       "",                                       "",                      "",                      "",
+	/*E4-E7*/       "",                                       "",                      "",                      "",
+	/*F0-F3*/       "",                                       "",                      "",                      "",
+	/*F4-F7*/       "",                                       "",                      "",                      "",
+	/*G0-G3*/       "output-rtc-battery-voltage-read-enable", "input-id0",             "input-id1",             "input-id2",
+	/*G4-G7*/       "input-alert1-n",                         "input-alert2-n",        "input-alert3-n",        "",
+	/*H0-H3*/       "",                                       "",                      "",                      "",
+	/*H4-H7*/       "input-mfg",                              "",                      "led-heartbeat-n",       "input-caseopen",
+	/*I0-I3*/       "",                                       "",                      "",                      "",
+	/*I4-I7*/       "",                                       "",                      "",                      "",
+	/*J0-J3*/       "output-bmc-ready",                       "",                      "",                      "",
+	/*J4-J7*/       "",                                       "",                      "",                      "",
+	/*K0-K3*/       "",                                       "",                      "",                      "",
+	/*K4-K7*/       "",                                       "",                      "",                      "",
+	/*L0-L3*/       "",                                       "",                      "",                      "",
+	/*L4-L7*/       "",                                       "",                      "",                      "",
+	/*M0-M3*/       "",                                       "",                      "",                      "",
+	/*M4-M7*/       "",                                       "",                      "",                      "",
+	/*N0-N3*/       "",                                       "",                      "",                      "",
+	/*N4-N7*/       "",                                       "",                      "",                      "",
+	/*O0-O3*/       "",                                       "",                      "",                      "",
+	/*O4-O7*/       "",                                       "",                      "",                      "",
+	/*P0-P3*/       "",                                       "",                      "",                      "",
+	/*P4-P7*/       "",                                       "",                      "",                      "",
+	/*Q0-Q3*/       "",                                       "",                      "",                      "",
+	/*Q4-Q7*/       "",                                       "",                      "",                      "",
+	/*R0-R3*/       "",                                       "",                      "",                      "",
+	/*R4-R7*/       "",                                       "",                      "",                      "",
+	/*S0-S3*/       "input-bmc-pchhot-n",                     "",                      "",                      "",
+	/*S4-S7*/       "",                                       "",                      "",                      "",
+	/*T0-T3*/       "",                                       "",                      "",                      "",
+	/*T4-T7*/       "",                                       "",                      "",                      "",
+	/*U0-U3*/       "",                                       "",                      "",                      "",
+	/*U4-U7*/       "",                                       "",                      "",                      "",
+	/*V0-V3*/       "",                                       "",                      "",                      "",
+	/*V4-V7*/       "",                                       "",                      "",                      "",
+	/*W0-W3*/       "",                                       "",                      "",                      "",
+	/*W4-W7*/       "",                                       "",                      "",                      "",
+	/*X0-X3*/       "",                                       "",                      "",                      "",
+	/*X4-X7*/       "",                                       "",                      "",                      "",
+	/*Y0-Y3*/       "",                                       "",                      "",                      "",
+	/*Y4-Y7*/       "",                                       "",                      "",                      "",
+	/*Z0-Z3*/       "",                                       "",                      "led-fault-n",           "output-bmc-throttle-n",
+	/*Z4-Z7*/       "",                                       "",                      "",                      "",
+	/*AA0-AA3*/     "input-cpu1-thermtrip-latch-n",           "",                      "input-cpu1-prochot-n",  "",
+	/*AA4-AC7*/     "",                                       "",                      "",                      "",
+	/*AB0-AB3*/     "",                                       "",                      "",                      "",
+	/*AB4-AC7*/     "",                                       "",                      "",                      "",
+	/*AC0-AC3*/     "",                                       "",                      "",                      "",
+	/*AC4-AC7*/     "",                                       "",                      "",                      "";
+};
+
+&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>;
+
+	nvmem-cells = <&eth0_macaddress>;
+	nvmem-cell-names = "mac-address";
+};
+
+&mac1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rmii2_default &pinctrl_mdio2_default>;
+	use-ncsi;
+
+	nvmem-cells = <&eth1_macaddress>;
+	nvmem-cell-names = "mac-address";
+};
+
+&i2c0 {
+	/* SMBus on auxiliary panel header (AUX_PANEL1) */
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+
+	w83773g@4c {
+		compatible = "nuvoton,w83773g";
+		reg = <0x4c>;
+	};
+};
+
+&i2c2 {
+	/* PSU SMBus (PSU_SMB1) */
+	status = "okay";
+};
+
+&i2c3 {
+	status = "okay";
+};
+
+&i2c4 {
+	status = "okay";
+
+	i2c-mux@70 {
+		compatible = "nxp,pca9545";
+		reg = <0x70>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c4mux0ch0: i2c@0 {
+			/* SMBus on PCI express 16x slot */
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c4mux0ch1: i2c@1 {
+			/* SMBus on PCI express 8x slot */
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		i2c4mux0ch2: i2c@2 {
+			/* Unknown */
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c4mux0ch3: i2c@3 {
+			/* SMBus on PCI express 1x slot */
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
+	};
+};
+
+&i2c5 {
+	status = "okay";
+};
+
+&i2c7 {
+	/* FRU and SPD EEPROM SMBus */
+	status = "okay";
+
+	eeprom@57 {
+		compatible = "st,24c128", "atmel,24c128";
+		reg = <0x57>;
+		pagesize = <16>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		eth0_macaddress: macaddress@3f80 {
+			reg = <0x3f80 6>;
+		};
+
+		eth1_macaddress: macaddress@3f88 {
+			reg = <0x3f88 6>;
+		};
+	};
+};
+
+&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>;
+};
+
+&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 {
+		/* FAN1 (4-pin) */
+		reg = <0x00>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x00>;
+	};
+
+	fan@1 {
+		/* FAN2 (4-pin) */
+		reg = <0x01>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x01>;
+	};
+
+	fan@2 {
+		/* FAN3 (4-pin) */
+		reg = <0x02>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x02>;
+	};
+
+	fan@3 {
+		/* FAN4 (6-pin) */
+		reg = <0x03>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x04 0x0b>;
+	};
+
+	fan@4 {
+		/* FAN6 (6-pin) */
+		reg = <0x04>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x06 0x0d>;
+	};
+
+	fan@5 {
+		/* FAN5 (6-pin) */
+		reg = <0x05>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x05 0x0c>;
+	};
+};
+
+&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>;
+};