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Message-Id: <20250815-mgx4u_devicetree-v1-3-66db6fa5a7e4@nvidia.com>
Date: Fri, 15 Aug 2025 12:45:57 -0700
From: Marc Olberding <molberding@...dia.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...econstruct.com.au>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
Marc Olberding <molberding@...dia.com>
Subject: [PATCH 3/3] ARM: dts: aspeed: Add device tree for mgx4u BMC
The mgx4u is a BMC for a granite rapids based motherboard
that connects to a cx8 switchboard.
Signed-off-by: Marc Olberding <molberding@...dia.com>
---
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../boot/dts/aspeed/aspeed-bmc-nvidia-mgx4u.dts | 1078 ++++++++++++++++++++
2 files changed, 1079 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index b3170fdd30969b5b064c5333aea136d3abfcbe72..f150ed0f2e48edb804b0588ef098edb3282b6292 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -51,6 +51,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-lenovo-hr855xg2.dtb \
aspeed-bmc-microsoft-olympus.dtb \
aspeed-bmc-nvidia-gb200nvl-bmc.dtb \
+ aspeed-bmc-nvidia-mgx4u.dtb \
aspeed-bmc-opp-lanyang.dtb \
aspeed-bmc-opp-mowgli.dtb \
aspeed-bmc-opp-nicole.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-mgx4u.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-mgx4u.dts
new file mode 100644
index 0000000000000000000000000000000000000000..beaf68d5b4bd73ec219a0d2d400f93cf05b0d34f
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-mgx4u.dts
@@ -0,0 +1,1078 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/i2c/i2c.h>
+
+/ {
+ model = "MGX4U";
+ compatible = "nvidia,mgx4u", "aspeed,ast2600";
+
+ aliases {
+ serial0 = &uart1;
+ serial1 = &uart2;
+ serial2 = &uart3;
+ serial3 = &uart4;
+ serial4 = &uart5;
+
+ i2c16 = &i2c5_mux_0;
+ i2c17 = &i2c5_mux_1;
+ i2c18 = &i2c5_mux_2;
+ i2c19 = &i2c5_mux_3;
+ i2c20 = &i2c5_mux_4;
+ i2c21 = &i2c5_mux_5;
+ i2c22 = &i2c5_mux_6;
+ i2c23 = &i2c5_mux_7;
+
+ i2c24 = &i2c6_mux_0;
+ i2c25 = &i2c6_mux_1;
+ i2c26 = &i2c6_mux_2;
+ i2c27 = &i2c6_mux_3;
+ i2c28 = &i2c6_mux_4;
+ i2c29 = &i2c6_mux_5;
+ i2c30 = &i2c6_mux_6;
+ i2c31 = &i2c6_mux_7;
+
+ i2c32 = &i2c7_1_mux_0;
+ i2c33 = &i2c7_1_mux_1;
+ i2c35 = &i2c7_1_mux_2;
+ i2c36 = &i2c7_1_mux_3;
+ i2c37 = &i2c7_mux_0;
+ i2c38 = &i2c7_mux_1;
+ i2c39 = &i2c7_mux_2;
+ i2c40 = &i2c7_mux_3;
+ i2c41 = &i2c7_mux_4;
+ i2c42 = &i2c7_mux_5;
+ i2c43 = &i2c7_mux_6;
+ i2c44 = &i2c7_mux_7;
+
+ i2c45 = &i2c0_mux_0;
+ i2c46 = &i2c0_mux_1;
+ i2c47 = &i2c0_mux_2;
+ i2c48 = &i2c0_mux_3;
+ i2c49 = &i2c0_mux_4;
+ i2c50 = &i2c0_mux_5;
+ i2c51 = &i2c0_mux_6;
+ i2c52 = &i2c0_mux_7;
+
+ i2c53 = &i2c0_1_mux_0;
+ i2c54 = &i2c0_1_mux_1;
+ i2c55 = &i2c0_1_mux_2;
+ i2c56 = &i2c0_1_mux_3;
+ i2c57 = &i2c0_1_mux_4;
+ i2c58 = &i2c0_1_mux_5;
+ i2c59 = &i2c0_1_mux_6;
+ i2c60 = &i2c0_1_mux_7;
+
+ i2c61 = &i2c3_mux_6;
+ i2c62 = &i2c3_mux_7;
+
+ i2c63 = &i2c9_mux_0;
+ i2c64 = &i2c9_mux_1;
+ i2c65 = &i2c9_mux_2;
+ i2c66 = &i2c9_mux_3;
+ i2c67 = &i2c9_mux_4;
+ i2c68 = &i2c9_mux_5;
+ i2c69 = &i2c9_mux_6;
+ i2c70 = &i2c9_mux_7;
+ };
+
+ chosen {
+ bootargs = "console=ttyS4,115200n8";
+ };
+
+ memory@...00000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ gfx_memory: framebuffer {
+ size = <0x01000000>;
+ alignment = <0x01000000>;
+ compatible = "shared-dma-pool";
+ reusable;
+ };
+
+ video_engine_memory: jpegbuffer {
+ size = <0x02000000>; /* 32M */
+ alignment = <0x01000000>;
+ compatible = "shared-dma-pool";
+ reusable;
+ };
+ };
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&emmc_controller {
+ status = "okay";
+};
+
+&emmc {
+ non-removable;
+ bus-width = <4>;
+ max-frequency = <100000000>;
+ clk-phase-mmc-hs200 = <9>, <225>;
+};
+
+&fmc {
+ status = "okay";
+
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <4>;
+ spi-max-frequency = <50000000>;
+#include "openbmc-flash-layout-128.dtsi"
+ };
+};
+
+&gfx {
+ memory-region = <&gfx_memory>;
+ status = "okay";
+};
+
+&gpio0 {
+ gpio-line-names =
+ /*A0-A7*/ "","","","","","","","",
+ /*B0-B7*/ "","","","","","","","RST_BMC_8211F_N",
+ /*C0-C7*/ "","","","","","","","",
+ /*D0-D7*/ "","","","","","","","",
+ /*E0-E7*/ "","","","","","","","",
+ /*F0-F7*/ "","RST_BIOSROM_1_BMC_N","","RST_SPI_PFRM1_R_N","","","SPI_BIOS_MUX_SEL","",
+ /*G0-G7*/ "","","","","","","","",
+ /*H0-H7*/ "","","","","","","","",
+ /*I0-I7*/ "","","","","","","","",
+ /*J0-J7*/ "","","","","","","","",
+ /*K0-K7*/ "","","","","","","","",
+ /*L0-L7*/ "","","","","","","","",
+ /*M0-M7*/ "","","","","","","","",
+ /*N0-N7*/ "","","","","","","","",
+ /*O0-O7*/ "","","","","","","","",
+ /*P0-P7*/ "","","","","","","","",
+ /*Q0-Q7*/ "","","","","","","","",
+ /*R0-R7*/ "","","","","","","","",
+ /*S0-S7*/ "","","","","","","","",
+ /*T0-T7*/ "","","","","","","","",
+ /*U0-U7*/ "","","","","","","","",
+ /*V0-V7*/ "","","SCM_HPM_STBY_RST_N","","SCM_HPM_STBY_EN","","","",
+ /*W0-W7*/ "","","","","","","","",
+ /*X0-X7*/ "","","","","","","","",
+ /*Y0-Y7*/ "","","","","","","","",
+ /*Z0-Z7*/ "","","","","","","","";
+ status = "okay";
+};
+
+&gpio1 {
+ gpio-line-names =
+ /*18A0-18A7*/ "","","","","","","","",
+ /*18B0-18B7*/ "","","","","SW_MAIN_EN","HOST_GLOBAL_WP_N","","",
+ /*18C0-18C7*/ "","","","","","","","",
+ /*18D0-18D7*/ "","","","","","","","",
+ /*18E0-18E3*/ "","","","";
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+
+ i2c-mux@73 {
+ compatible = "nxp,pca9548";
+ reg = <0x73>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c0_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_mux_1: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ i2c0_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eeprom@51 {
+ compatible = "atmel,24c02";
+ reg = <0x51>;
+ };
+ };
+
+ i2c0_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tmp75@4c {
+ compatible = "ti,tmp75";
+ reg = <0x4c>;
+ };
+ };
+
+ i2c0_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+
+ i2c-mux@77 {
+ compatible = "nxp,pca9548";
+ reg = <0x77>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c0_1_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c0_1_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&i2c3 {
+ status = "okay";
+
+ i2c-mux@72 {
+ compatible = "nxp,pca9548";
+ reg = <0x72>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c3_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c3_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+
+ i2c-mux@77 {
+ compatible = "nxp,pca9548";
+ reg = <0x77>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c5_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c5_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&i2c6 {
+ status = "okay";
+
+ i2c-mux@70 {
+ reg = <0x70>;
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c6_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tmp75@4a {
+ compatible = "ti,tmp75";
+ reg = <0x4a>;
+ };
+
+ tmp75@4b {
+ compatible = "ti,tmp75";
+ reg = <0x4b>;
+ };
+
+ eeprom@51 {
+ compatible = "atmel,24c64";
+ reg = <0x51>;
+ pagesize = <32>;
+ };
+ };
+
+ i2c6_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /*fan controller 0*/
+ max31790@20 {
+ compatible = "maxim,max31790";
+ reg = <0x20>;
+ };
+
+ /*fan controller 1*/
+ max31790@21 {
+ compatible = "maxim,max31790";
+ reg = <0x21>;
+ };
+
+ eeprom@57 {
+ compatible = "atmel,24c64";
+ reg = <0x57>;
+ pagesize = <32>;
+ };
+
+ hpmfanio: pca9555@27 {
+ compatible = "nxp,pca9555";
+ reg = <0x27>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <11 0>;
+ gpio-line-names =
+ "HPM_FAN1_INSTALL", "HPM_FAN2_INSTALL",
+ "HPM_FAN3_INSTALL", "HPM_FAN4_INSTALL",
+ "HPM_FAN5_INSTALL", "",
+ "","";
+ };
+ };
+
+ i2c6_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c6_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* 4056 fan board_EEPROM*/
+ eeprom@57 {
+ compatible = "atmel,24c64";
+ reg = <0x57>;
+ pagesize = <32>;
+ };
+
+ /*fan controller 0*/
+ max31790@20 {
+ compatible = "maxim,max31790";
+ reg = <0x20>;
+ };
+ /*fan controller 1*/
+ max31790@21 {
+ compatible = "maxim,max31790";
+ reg = <0x21>;
+ };
+
+ gpufanio: pca9555@27 {
+ compatible = "nxp,pca9555";
+ reg = <0x27>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <11 0>;
+ gpio-line-names =
+ "GPU_FAN1_INSTALL", "GPU_FAN2_INSTALL",
+ "GPU_FAN3_INSTALL", "GPU_FAN4_INSTALL",
+ "GPU_FAN5_INSTALL", "",
+ "","";
+ };
+ };
+
+ i2c6_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* IO board EEPROM*/
+ eeprom@57 {
+ compatible = "atmel,24c64";
+ reg = <0x57>;
+ pagesize = <32>;
+ };
+ };
+
+ i2c6_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c6_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c6_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&i2c7 {
+ multi-master;
+ status = "okay";
+
+ i2c-mux@70 {
+ compatible = "nxp,pca9548";
+ reg = <0x70>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c7_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c7_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c-mux@71 {
+ compatible = "nxp,pca9545";
+ reg = <0x71>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c7_1_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c7_1_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eeprom@55 {
+ compatible = "atmel,24c64";
+ reg = <0x55>;
+ pagesize = <32>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+
+ eeprom@53 {
+ compatible = "atmel,24c02";
+ reg = <0x53>;
+ pagesize = <32>;
+ };
+ };
+
+ i2c7_1_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c7_1_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+ };
+
+ i2c7_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c7_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* XDPE19284B - CPU0 PVCCIN VR */
+ xdpe152c4@60 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x60>;
+ };
+
+ /* XDPE19284B - CPU0 PVCCFA EHV FIVRA / PVCCINF_VR*/
+ xdpe152c4@62 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x62>;
+ };
+
+ /* XDPE19284B - CPU0 PVCCA EHV PVCCIN VR */
+ xdpe152c4@74 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x74>;
+ };
+
+ /* XDPE19284B - CPU0 PVVCCD0 & D1 VR */
+ xdpe152c4@76 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x76>;
+ };
+ };
+
+ i2c7_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* XDPE19284B - CPU1 PVCCIN VR */
+ xdpe152c4@60 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x60>;
+ };
+
+ /* XDPE19284B - CPU1 PVCCFA EHV FIVRA / PVCCINF_VR*/
+ xdpe152c4@62 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x62>;
+ };
+
+ /* XDPE19284B - CPU1 PVCCA EHV PVCCIN VR */
+ xdpe152c4@74 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x74>;
+ };
+
+ /* XDPE19284B - CPU1 PVVCCD0 & D1 VR */
+ xdpe152c4@76 {
+ compatible = "infineon,xdpe152c4";
+ reg = <0x76>;
+ };
+ };
+
+ i2c7_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c7_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c7_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&i2c8 {
+ status = "okay";
+};
+
+&i2c9 {
+ status = "okay";
+
+ i2c-mux@70 {
+ compatible = "nxp,pca9548";
+ reg = <0x70>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c9_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-north.dtsi"
+ };
+
+ i2c9_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-south.dtsi"
+ };
+
+ i2c9_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-north.dtsi"
+ };
+
+ i2c9_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-south.dtsi"
+ };
+
+ i2c9_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-north.dtsi"
+ };
+
+ i2c9_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-south.dtsi"
+ };
+
+ i2c9_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-north.dtsi"
+ };
+
+ i2c9_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+#include "nvidia-mgx-cx8-switch-south.dtsi"
+ };
+ };
+};
+
+&i2c10 {
+ status = "okay";
+
+ i2c-mux@70 {
+ compatible = "nxp,pca9548";
+ reg = <0x70>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-mux-idle-disconnect;
+
+ i2c10_mux_0: i2c@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_1: i2c@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_2: i2c@2 {
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_3: i2c@3 {
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_4: i2c@4 {
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_5: i2c@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_6: i2c@6 {
+ reg = <6>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c10_mux_7: i2c@7 {
+ reg = <7>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};
+
+&i2c12 {
+ status = "okay";
+
+ rtc@6f {
+ compatible = "nuvoton,nct3018y";
+ reg = <0x6f>;
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ };
+};
+
+&mdio3 {
+ status = "okay";
+
+ ethphy3: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+};
+
+&mac2 {
+ pinctrl-names = "default";
+ phy-mode = "rmii";
+ pinctrl-0 = <&pinctrl_rmii3_default>;
+ use-ncsi;
+ status = "okay";
+};
+
+&mac3 {
+ phy-mode = "rgmii";
+ phy-handle = <ðphy3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii4_default>;
+ status = "okay";
+};
+
+&peci0 {
+ status = "okay";
+};
+
+&rtc {
+ status = "okay";
+};
+
+&sdc {
+ status = "okay";
+};
+
+&sgpiom0 {
+ ngpios = <128>;
+ gpio-line-names =
+ "","LED_PORT80_0_N",
+ "","LED_PORT80_1_N",
+ "","LED_PORT80_2_N",
+ "","LED_PORT80_3_N",
+ "","LED_PORT80_4_N",
+ "","LED_PORT80_5_N",
+ "","LED_PORT80_6_N",
+ "","LED_PORT80_7_N",
+ "","CPLD_JTAG_OE_R_N",
+ "","RST_PE_SLOT_I2C_MUX_N",
+ "","ASSERT_CPU0_PROCHOT_N",
+ "","ASSERT_CPU1_PROCHOT_N",
+ "","BMC_CPU0_NMI_OUT_N",
+ "","BMC_CPU1_NMI_OUT_N",
+ "","CPLD_PWRBRK_N",
+ "","SPD_SWITCH_CTRL_N",
+ "","COM_DBG_MODE",
+ "","RST_CPU0_RTCRST_PLD","",
+ "EN_MON_VBAT","","BMC_RST_BTN_OUT",
+ "","BMC_PWR_BTN_OUT",
+ "","BMC_WAKE",
+ "","CPU_FRBK_OUT",
+ "","CPU0_BMC_INIT",
+ "","CPU1_BMC_INIT",
+ "","NCSI_BMC_CLK_EN",
+ "","NCSI_OCP_CLK_EN",
+ "","IRQ_CPU0_TPM",
+ "","UART_HPM_MUX",
+ "","DEBUG_BIT_0","","DEBUG_BIT_1",
+ "","DEBUG_BIT_2",
+ "FAN_4056_BOARD_ID_0","DEBUG_BIT_3",
+ "FAN_4056_BOARD_ID_1","DEBUG_BIT_4",
+ "FAN_4056_BOARD_ID_2","DEBUG_BIT_5",
+ "FAN_4056_BOARD_ID_3","DEBUG_BIT_6",
+ "FAN_8080_BOARD_ID_0","DEBUG_BIT_7",
+ "FAN_8080_BOARD_ID_1","LED_BMC_HBLED_CPLD_N",
+ "FAN_8080_BOARD_ID_2","LED_SYS_ALERT_CPLD",
+ "FAN_8080_BOARD_ID_3","LED_PWR_YEL_CPLD",
+ "FAN1_FRONT_TOP_INSTALL","",
+ "FAN2_FRONT_TOP_INSTALL","",
+ "FAN3_FRONT_TOP_INSTALL","",
+ "FAN4_FRONT_TOP_INSTALL","",
+ "FAN5_FRONT_TOP_INSTALL","",
+ "","",
+ "","",
+ "","",
+ "FAN9_REAR_INSTALL","",
+ "FAN_FRONT_SW0_FAIL","",
+ "FAN_REAR_SW0_FAIL","",
+ "FAN1_FRONT_BOT_INSTALL","",
+ "FAN2_FRONT_BOT_INSTALL","LED_UID_N",
+ "FAN3_FRONT_BOT_INSTALL","",
+ "FAN4_FRONT_BOT_INSTALL","",
+ "FAN5_FRONT_BOT_INSTALL","SPI_MUX3_EN",
+ "FAN1_REAR_INSTALL","SPI_MUX2_EN",
+ "FAN2_REAR_INSTALL","SPI_MUX1_EN",
+ "FAN3_REAR_INSTALL","SPI_MUX3_SEL",
+ "FAN4_REAR_INSTALL","SPI_MUX2_SEL",
+ "FAN5_REAR_INSTALL","SPI_MUX1_SEL",
+ "FAN6_REAR_INSTALL","PDB_RST",
+ "FAN7_REAR_INSTALL","PRE_STANDBY_DROP",
+ "FAN8_REAR_INSTALL","",
+ "MLB_BRD_SKU_ID0","",
+ "MLB_BRD_SKU_ID1","",
+ "MLB_BRD_SKU_ID2","",
+ "MLB_BRD_SKU_ID3","",
+ "MLB_BRD_REV_ID0","",
+ "MLB_BRD_REV_ID1","",
+ "M2_1_PRESENT","",
+ "M2_2_PRESENT","",
+ "M2_1_ALERT","",
+ "PASSWORD_CLEAR","",
+ "IRQ_PSYS_CRIT","",
+ "LEAKAGE_MONITOR_ALERT","",
+ "M2_2_ALERT","",
+ "RST_BTN","",
+ "PWR_BTN","",
+ "","",
+ "CPU1_MEM_VRHOT","",
+ "CPU0_MEM_VRHOT","",
+ "CPU1_VRHOT","",
+ "CPU0_VRHOT","",
+ "RST_PLTRST_MONITOR","",
+ "CPU_SLP_S3","",
+ "TPM_PRSNT","",
+ "HPM_HMC_PCIE_PERST","",
+ "CPU1_THERMTRIP","",
+ "CPU0_THERMTRIP","",
+ "CPU1_PROCHOT_CPLD","",
+ "CPU0_PROCHOT_CPLD","",
+ "CPU1_MEMTRIP","",
+ "CPU0_MEMTRIP","",
+ "CPU0_MEMHOT","",
+ "CPU1_MEMHOT","",
+ "CPU_ERR2","",
+ "CPU_ERR1","",
+ "CPU_ERR0","",
+ "CPU_CATERR","",
+ "CPU_RMCA","",
+ "","",
+ "CPU1_MON_FAIL","",
+ "CPU0_MON_FAIL","",
+ "PUS4_PRSNT_N","",
+ "PUS5_PRSNT_N","",
+ "PUS6_PRSNT_N","",
+ "PUS7_PRSNT_N","",
+ "PUS8_PRSNT_N","",
+ "PUS9_PRSNT_N","",
+ "PUS10_PRSNT_N","",
+ "PUS11_PRSNT_N","",
+ "PWRGD_CPU1_S0_PWROK","",
+ "PWRGD_CPU0_S0_PWROK","",
+ "","",
+ "PSU_SMBUS_ALERT_N","",
+ "PSU0_PRSNT_N","",
+ "PSU1_PRSNT_N","",
+ "PUS2_PRSNT_N","",
+ "PUS3_PRSNT_N","",
+ "CPU0_PRSNT_N","",
+ "CPU1_PRSNT_N","",
+ "CPU0_PWR_GOOD","",
+ "CPU1_PWR_GOOD","",
+ "PGD_SYS_PWROK","",
+ "BIOS_POST_CMPLT_N","",
+ "CPU0_CD_INIT_ERROR","",
+ "CPU1_CD_INIT_ERROR","";
+ status = "okay";
+};
+
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spi1_default>;
+ fmc-spi-user-mode;
+ status = "okay";
+
+ flash@0 {
+ m25p,fast-read;
+ label = "bios";
+ spi-max-frequency = <20000000>;
+ spi-rx-bus-width = <2>;
+ status = "okay";
+ };
+};
+
+&syscon {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&uart4 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&uart_routing {
+ status = "okay";
+};
+
+&uhci {
+ status = "okay";
+};
+
+&vhub {
+ status = "okay";
+};
+
+&video {
+ memory-region = <&video_engine_memory>;
+ status = "okay";
+};
--
2.34.1
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