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Message-ID: <66608647-0ac8-44ad-b1af-f9bd0e120696@molgen.mpg.de>
Date: Tue, 28 Jan 2025 09:19:50 +0100
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Willie Thai <wthai@...dia.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, joel@....id.au,
andrew@...econstruct.com.au, kees@...nel.org, tony.luck@...el.com,
gpiccoli@...lia.com, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
openbmc@...ts.ozlabs.org, leohu@...dia.com, dkodihalli@...dia.com,
tingkaic@...dia.com, wthai@...lie-obmc-builder.nvidia.com
Subject: Re: [PATCH] ARM: dts: aspeed: Add device tree for Nvidia's GB200NVL
BMC
Dear Willie,
Thank you for the patch.
Am 24.01.25 um 06:18 schrieb Willie Thai:
> From: wthai <wthai@...lie-obmc-builder.nvidia.com>
Please use your full name.
$ git config --global user.name "Willie Thai"
$ git commit --amend --author="Willie Thai <wthai@...dia.com>"
Also is this the wanted email address?
> The GB200NVL BMC is an Aspeed Ast2600 based BMC
AST [1]
[1]: https://www.aspeedtech.com/server_ast2600/
> for Nvidia Blackwell GB200NVL platform.
If possible, please add reference to datasheets.
> Signed-off-by: wthai <wthai@...dia.com>
Ditto, regarding the name.
> ---
> .../bindings/arm/aspeed/aspeed.yaml | 1 +
> arch/arm/boot/dts/aspeed/Makefile | 1 +
> .../aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts | 1352 +++++++++++++++++
> 3 files changed, 1354 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
> index 2f92b8ab08fa..0a6f3654dcb5 100644
> --- a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
> +++ b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
> @@ -96,6 +96,7 @@ properties:
> - inventec,starscream-bmc
> - inventec,transformer-bmc
> - jabil,rbp-bmc
> + - nvidia,gb200nvl-bmc
> - qcom,dc-scm-v1-bmc
> - quanta,s6q-bmc
> - ufispace,ncplite-bmc
> diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
> index c4f064e4b073..0dc5240866f3 100644
> --- a/arch/arm/boot/dts/aspeed/Makefile
> +++ b/arch/arm/boot/dts/aspeed/Makefile
> @@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-lenovo-hr630.dtb \
> aspeed-bmc-lenovo-hr855xg2.dtb \
> aspeed-bmc-microsoft-olympus.dtb \
> + aspeed-bmc-nvidia-gb200nvl-bmc.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-gb200nvl-bmc.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts
> new file mode 100644
> index 000000000000..91d025229aba
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts
> @@ -0,0 +1,1352 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/dts-v1/;
> +
> +#include "aspeed-g6.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/leds/common.h>
> +
> +&gpio0 {
> + gpio-line-names =
> +
> + /* gpio-line-names are the combination of <signal>-<I/O> , "" is the placeholder for the unused pins
> + */
> +
> + /* 208 (26*8) 3.3V GPIOs */
> +
> + /*A0-A7*/
> + "", "", "", "", "", "", "", "",
Other files seem to put it in one line.
> +
> + /*B0-B7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*C0-C7*/
> + "SGPIO_I2C_MUX_SEL-O",
> + "", "", "", "", "", "", "",
> +
> + /*D0-D7*/
> + "", "", "",
> + "UART1_MUX_SEL-O",
> + "",
> + "FPGA_PEX_RST_L-O",
> + "", "",
> +
> + /*E0-E7*/
> + "RTL8221_PHY_RST_L-O",
> + "RTL8211_PHY_INT_L-I",
> + "",
> + "UART3_MUX_SEL-O",
> + "", "", "",
> + "SGPIO_BMC_EN-O",
> +
> + /*F0-F7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*G0-G7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*H0-H7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*I0-I7*/
> + "", "", "", "", "",
> + "QSPI2_RST_L-O",
> + "GLOBAL_WP_BMC-O",
> + "BMC_DDR4_TEN-O",
> +
> + /*J0-J7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*K0-K7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*L0-L7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*M0-M7*/
> + "PCIE_EP_RST_EN-O",
> + "BMC_FRU_WP-O",
> + "HMC_RESET_L-O",
> + "STBY_POWER_EN-O",
> + "STBY_POWER_PG-I",
> + "PCIE_EP_RST_L-O",
> + "", "",
> +
> + /*N0-N7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*O0-O7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*P0-P7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*Q0-Q7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*R0-R7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*S0-S7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*T0-T7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*U0-U7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*V0-V7*/
> + "AP_EROT_REQ-O",
> + "EROT_AP_GNT-I",
> + "",
> + "",
> + "PCB_TEMP_ALERT-I",
> + "", "", "",
> +
> + /*W0-W7*/
> + "", "", "", "", "", "", "", "",
> +
> + /*X0-X7*/
> + "", "",
> + "TPM_MUX_SEL-O",
> + "", "", "", "", "",
> +
> + /*Y0-Y7*/
> + "", "", "",
> + "EMMC_RST-O",
> + "","", "", "",
> +
> + /*Z0-Z7*/
> + "BMC_READY-O",
> + "", "", "", "", "", "", "";
> +};
> +
> +&sgpiom0 {
> + status="okay";
> + ngpios = <128>;
> +
> + gpio-line-names =
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "RUN_POWER_FAULT_L-I",
> + "SYS_RST_IN_L-O",
> + "RUN_POWER_PG-I",
> + "PWR_BRAKE_L-O",
> + "SYS_RST_OUT_L-I",
> + "RUN_POWER_EN-O",
> + "L0L1_RST_REQ_OUT_L-I",
> + "SHDN_FORCE_L-O",
> + "L2_RST_REQ_OUT_L-I",
> + "SHDN_REQ_L-O",
> + "SHDN_OK_L-I",
> + "UID_LED_N-O",
> + "BMC_I2C1_FPGA_ALERT_L-I",
> + "SYS_FAULT_LED_N-O",
> + "BMC_I2C0_FPGA_ALERT_L-I",
> + "PWR_LED_N-O",
> + "FPGA_RSVD_FFU3-I",
> + "",
> + "FPGA_RSVD_FFU2-I",
> + "",
> + "FPGA_RSVD_FFU1-I",
> + "",
> + "FPGA_RSVD_FFU0-I",
> + "BMC_I2C_SSIF_ALERT_L-O",
> + "CPU_BOOT_DONE-I",
> + "JTAG_MUX_SELECT-O",
> + "SPI_BMC_FPGA_INT_L-I",
> + "RTC_CLR_L-O",
> + "THERM_BB_WARN_L-I",
> + "UART_MUX_SEL-O",
> + "THERM_BB_OVERT_L-I",
> + "",
> + "CPU0_UPHY3_PRSNT1_L-I",
> + "IOBRD0_RUN_POWER_EN-O",
> + "CPU0_UPHY3_PRSNT0_L-I",
> + "IOBRD1_RUN_POWER_EN-O",
> + "CPU0_UPHY2_PRSNT1_L-I",
> + "FPGA_RSVD_FFU4-O",
> + "CPU0_UPHY2_PRSNT0_L-I",
> + "FPGA_RSVD_FFU5-O",
> + "CPU0_UPHY1_PRSNT1_L-I",
> + "FPGA_RSVD_FFU6-O",
> + "CPU0_UPHY1_PRSNT0_L-I",
> + "FPGA_RSVD_FFU7-O",
> + "CPU0_UPHY0_PRSNT1_L-I",
> + "RSVD_NV_PLT_DETECT-O",
> + "CPU0_UPHY0_PRSNT0_L-I",
> + "SPI1_INT_L-O",
> + "CPU1_UPHY3_PRSNT1_L-I",
> + "",
> + "CPU1_UPHY3_PRSNT0_L-I",
> + "HMC_EROT_MUX_STATUS",
> + "CPU1_UPHY2_PRSNT1_L-I",
> + "",
> + "CPU1_UPHY2_PRSNT0_L-I",
> + "",
> + "CPU1_UPHY1_PRSNT1_L-I",
> + "",
> + "CPU1_UPHY1_PRSNT0_L-I",
> + "",
> + "CPU1_UPHY0_PRSNT1_L-I",
> + "",
> + "CPU1_UPHY0_PRSNT0_L-I",
> + "",
> + "FAN1_PRESENT_L-I",
> + "",
> + "FAN0_PRESENT_L-I",
> + "",
> + "",
> + "",
> + "IPEX_CABLE_PRSNT_L-I",
> + "",
> + "M2_1_PRSNT_L-I",
> + "",
> + "M2_0_PRSNT_L-I",
> + "",
> + "CPU1_UPHY4_PRSNT1_L-I",
> + "",
> + "CPU0_UPHY4_PRSNT0_L-I",
> + "",
> + "",
> + "",
> + "I2C_RTC_ALERT_L-I",
> + "",
> + "FAN7_PRESENT_L-I",
> + "",
> + "FAN6_PRESENT_L-I",
> + "",
> + "FAN5_PRESENT_L-I",
> + "",
> + "FAN4_PRESENT_L-I",
> + "",
> + "FAN3_PRESENT_L-I",
> + "",
> + "FAN2_PRESENT_L-I",
> + "",
> + "IOBRD0_IOX_INT_L-I",
> + "",
> + "IOBRD1_PRSNT_L-I",
> + "",
> + "IOBRD0_PRSNT_L-I",
> + "",
> + "IOBRD1_PWR_GOOD-I",
> + "",
> + "IOBRD0_PWR_GOOD-I",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "FAN_FAIL_IN_L-I",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "PDB_CABLE_PRESENT_L-I",
> + "",
> + "",
> + "",
> + "CHASSIS_PWR_BRK_L-I",
> + "",
> + "",
> + "",
> + "IOBRD1_IOX_INT_L-I",
> + "",
> + "10GBE_SMBALRT_L-I",
> + "",
> + "PCIE_WAKE_L-I",
> + "",
> + "I2C_M21_ALERT_L-I",
> + "",
> + "I2C_M20_ALERT_L-I",
> + "",
> + "TRAY_FAST_SHDN_L-I",
> + "",
> + "UID_BTN_N-I",
> + "",
> + "PWR_BTN_L-I",
> + "",
> + "PSU_SMB_ALERT_L-I",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "NODE_LOC_ID[0]-I",
> + "",
> + "NODE_LOC_ID[1]-I",
> + "",
> + "NODE_LOC_ID[2]-I",
> + "",
> + "NODE_LOC_ID[3]-I",
> + "",
> + "NODE_LOC_ID[4]-I",
> + "",
> + "NODE_LOC_ID[5]-I",
> + "",
> + "FAN10_PRESENT_L-I",
> + "",
> + "FAN9_PRESENT_L-I",
> + "",
> + "FAN8_PRESENT_L-I",
> + "",
> + "FPGA1_READY_HMC-I",
> + "",
> + "DP_HPD-I",
> + "",
> + "HMC_I2C3_FPGA_ALERT_L-I",
> + "",
> + "HMC_I2C2_FPGA_ALERT_L-I",
> + "",
> + "FPGA0_READY_HMC-I",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "LEAK_DETECT_ALERT_L-I",
> + "",
> + "MOD1_B2B_CABLE_PRESENT_L-I",
> + "",
> + "MOD1_CLINK_CABLE_PRESENT_L-I",
> + "",
> + "FAN11_PRESENT_L-I",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "",
> + "RSVD_SGPIO_IN_CRC[0]",
> + "RSVD_SGPIO_O_CRC[7]",
> + "RSVD_SGPIO_IN_CRC[1]",
> + "RSVD_SGPIO_O_CRC[6]",
> + "RSVD_SGPIO_IN_CRC[2]",
> + "RSVD_SGPIO_O_CRC[5]",
> + "RSVD_SGPIO_IN_CRC[3]",
> + "RSVD_SGPIO_O_CRC[4]",
> + "RSVD_SGPIO_IN_CRC[4]",
> + "RSVD_SGPIO_O_CRC[3]",
> + "RSVD_SGPIO_IN_CRC[5]",
> + "RSVD_SGPIO_O_CRC[2]",
> + "RSVD_SGPIO_IN_CRC[6]",
> + "RSVD_SGPIO_O_CRC[1]",
> + "RSVD_SGPIO_IN_CRC[7]",
> + "RSVD_SGPIO_O_CRC[0]";
> +};
> +
> +// EMMC group that excludes WP pin
> +&pinctrl {
> + pinctrl_emmcg5_default: emmcg5_default {
> + function = "EMMC";
> + groups = "EMMCG5";
> + };
> +};
> +
> +/ {
> + model = "AST2600 GB200NVL BMC";
> + compatible = "nvidia,gb200nvl-bmc", "aspeed,ast2600";
> +
> + aliases {
> + serial2 = &uart3;
> + serial4 = &uart5;
> + i2c16 = &imux16;
> + i2c17 = &imux17;
> + i2c18 = &imux18;
> + i2c19 = &imux19;
> + i2c20 = &imux20;
> + i2c21 = &imux21;
> + i2c22 = &imux22;
> + i2c23 = &imux23;
> + i2c24 = &imux24;
> + i2c25 = &imux25;
> + i2c26 = &imux26;
> + i2c27 = &imux27;
> + i2c28 = &imux28;
> + i2c29 = &imux29;
> + i2c30 = &imux30;
> + i2c31 = &imux31;
> + i2c32 = &imux32;
> + i2c33 = &imux33;
> + i2c34 = &imux34;
> + i2c35 = &imux35;
> + i2c36 = &imux36;
> + i2c37 = &imux37;
> + i2c38 = &imux38;
> + i2c39 = &imux39;
> + i2c40 = &e1si2c0;
> + i2c41 = &e1si2c1;
> + i2c42 = &e1si2c2;
> + i2c43 = &e1si2c3;
> + i2c44 = &e1si2c4;
> + i2c45 = &e1si2c5;
> + i2c46 = &e1si2c6;
> + i2c47 = &e1si2c7;
> + i2c48 = &i2c5mux0;
> + i2c49 = &m2riser;
> + i2c50 = &i2c5mux2;
> + i2c51 = &i2c5mux3;
> + };
> +
> + chosen {
> + stdout-path = &uart5;
> + bootargs = "console=tty0 console=ttyS4,115200n8 earlyprintk";
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x80000000 0x80000000>;
> + };
> +
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + vga_memory: framebuffer@...00000 {
> + no-map;
> + reg = <0x9f000000 0x01000000>; /* 16M */
> + };
> +
> + ramoops@...00000 {
> + compatible = "ramoops";
> + reg = <0xa0000000 0x100000>; /* 1MB */
> + record-size = <0x10000>; /* 64KB */
> + max-reason = <2>; /* KMSG_DUMP_OOPS */
> + };
> +
> + 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;
> + };
> + };
> +
> + power-gpios{
> + n2-gpios = <&gpio0 ASPEED_GPIO(N, 2) (GPIO_ACTIVE_HIGH|GPIO_PULL_UP)>;
> + n3-gpios = <&gpio0 ASPEED_GPIO(N, 3) (GPIO_ACTIVE_HIGH|GPIO_PULL_UP)>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + uid_led {
> + gpios = <&sgpiom0 27 GPIO_ACTIVE_LOW>;
> + };
> + fault_led {
> + gpios = <&sgpiom0 29 GPIO_ACTIVE_LOW>;
> + };
> + power_led {
> + gpios = <&sgpiom0 31 GPIO_ACTIVE_LOW>;
> + };
> +
> + // Non-LEDs:
> + // BMC_READY-O GPIO pin (not an LED) is being bound to the GPIO LED driver.
> + // Notes:
> + // * This is a workaround and leverages the GPIO LED driver to enable control of
> + // reset tolerance and still allow the GPIO to be controlled from user space.
Add this also to the commit message?
> + // * The standard Linux GPIO driver allows control of reset tolerance, however
> + // does not expose user space APIs for user space control of the GPIO pin.
> + // * GPIO_TRANSITORY = reset tolerance is disabled
> + // * Any non-leds should be added below this line.
Use C89 style comments? (Though it’s inconsistent and I do not know if
there is a guideline.)
> + bmc_ready_noled {
> + gpios = <&gpio0 ASPEED_GPIO(Z, 0) (GPIO_ACTIVE_HIGH|GPIO_TRANSITORY)>;
> + };
> + };
> +
> + buttons {
> + power-btn {
> + gpio = <&sgpiom0 156 GPIO_ACTIVE_LOW>;
> + };
> + uid-btn {
> + gpio = <&sgpiom0 154 GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
> +
> +// Enabled Primary flash on FMC for bring up activity
Imperative mood: Enable.
> +&fmc {
> + status = "okay";
> + flash@0 {
> + status = "okay";
> + compatible = "jedec,spi-nor";
> + label = "bmc";
> + spi-max-frequency = <50000000>;
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + u-boot@0 {
> + reg = <0x0 0xe0000>; // 896KB
> + label = "u-boot";
> + };
> +
> + kernel@...000 {
> + reg = <0x100000 0x900000>; // 9MB
> + label = "kernel";
> + };
> +
> + rofs@...000 {
> + reg = <0xa00000 0x35FF000>; // 55292KB (extends to end of 64MB SPI - 4KB)
> + label = "rofs";
Just my ignorance about how the calculations are done, and why some
holes are left.
> + };
> + };
> + };
> +};
> +
> +&fmcraw {
> + status = "okay";
> + spidev@0 {
> + compatible = "hgx,glacier";
> + status = "okay";
> + };
> +};
> +
> +&spi1raw {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi1_default>;
> + spidev@0 {
> + spi-max-frequency = <25000000>;
> + compatible = "hgx,glacier";
> + status = "okay";
> + };
> +};
> +
> +&spi2 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi2_default>;
> +
> + // Data SPI is 64MB in size
> + flash@0 {
> + status = "okay";
> + label = "config";
> + spi-max-frequency = <50000000>;
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + u-boot-env@0 {
> + reg = <0x0 0x40000>; // 256KB at offset 0
> + label = "u-boot-env";
> + };
> +
> + rwfs@...00 {
> + reg = <0x40000 0x1000000>; // 16MB at offset 0x40000
> + label = "rwfs";
> + };
> +
> + log@...040000 {
> + reg = <0x1040000 0x2800000>; // 40MB at offset 0x1040000
> + label = "log"; // Move log to EMMC, make this unused
> + };
> + };
> + };
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart3 {
> + //Enabling SOL
Add space after //.
> + status = "okay";
> +};
> +
> +&uart5 {
> + // BMC Debug Console
> + status = "okay";
> +};
> +
> +&uart_routing {
> + status = "okay";
> +};
> +
> +// MAC1 (per schematics, 1-based MAC1-MAC4) of AST2600 connected to external PHY
> +// This is "mac0" in zero-based DTS
> +&mdio0 {
> + status = "okay";
> + ethphy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + };
> +
> +};
> +
> +&mdio3 {
> + status = "okay";
> + ethphy3: ethernet-phy@2 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <2>;
> + };
> +};
> +
> +&mac0 {
> + status = "okay";
> + pinctrl-names = "default";
> + phy-mode = "rgmii-rxid";
> + max-speed = <1000>;
> + phy-handle = <ðphy3>;
> + pinctrl-0 = <&pinctrl_rgmii1_default>;
> +};
> +
> +&mac2 {
> + status = "okay";
> + phy-mode = "rmii";
> + use-ncsi;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rmii3_default>;
> +};
> +
> +// Enable emmc
> +&emmc_controller {
> + status = "okay";
> +};
> +
> +&emmc {
> + non-removable;
> + pinctrl-0 = <&pinctrl_emmcg5_default>;
> + bus-width = <4>;
> + max-frequency = <52000000>;
> + clk-phase-mmc-hs200 = <9>, <225>;
> +};
> +
> +/*
> +* Enable USB port A as device (via the virtual hub) to host
> +*/
Please align.
> +&vhub {
> + status = "okay";
> + pinctrl-names = "default";
> + /*
> + Uncomment below line to enable internal EHCI controller
> + Current config uses xHCI Port1
> + */
Use common comment styles?
> + // pinctrl-0 = <&pinctrl_usb2adp_default>;
> +};
> +
> +&video {
> + status = "okay";
> + memory-region = <&video_engine_memory>;
> +};
> +
> +// USB 2.0 to HMC, on USB Port B
> +&ehci1 {
> + status = "okay";
> +};
> +
> +// USB 1.0
> +&uhci {
> + status = "okay";
> +};
> +
> +// I2C1, SSIF IPMI interface
> +&i2c0 {
> + status = "okay";
> + clock-frequency = <400000>;
> + disable-master = <1>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> + ssif-bmc@10 {
> + compatible = "ssif-bmc";
> + alert-gpio = <&sgpiom0 39 GPIO_ACTIVE_LOW>;
> + pulse_width_us = <5>;
> + timeout_ms = <4995>;
> + reg = <0x10>;
> + };
> +};
> +
> +// I2C2
> +// BMC_I2C1_FPGA - Secondary FPGA
> +// HMC EROT
> +&i2c1 {
> + status = "okay";
> + clock-frequency = <400000>;
> + multi-master;
> + i2c-scl-clk-low-timeout-us = <32000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> +};
> +
> +// I2C4
> +&i2c3 {
> + status = "disabled";
> +};
> +
> +// I2C5
> +// RTC Driver
> +// IO Expander
> +&i2c4 {
> + status = "okay";
> + clock-frequency = <400000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> + // Module 0, Expander @0x21
> + exp4: pca9555@21 {
> + compatible = "nxp,pca9555";
> + reg = <0x21>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
> +
> + gpio-line-names =
> + "RTC_MUX_SEL-O",
> + "PCI_MUX_SEL-O",
> + "TPM_MUX_SEL-O",
> + "FAN_MUX-SEL-O",
> + "SGMII_MUX_SEL-O",
> + "DP_MUX_SEL-O",
> + "UPHY3_USB_SEL-O",
> + "NCSI_MUX_SEL-O",
> + "BMC_PHY_RST-O",
> + "RTC_CLR_L-O",
> + "BMC_12V_CTRL-O",
> + "PS_RUN_IO0_PG-I",
> + "",
> + "",
> + "",
> + "";
> + };
> +};
> +
> +// I2C6
> +// Module 0/1 I2C MUX x3
> +&i2c5 {
> + status = "okay";
> + clock-frequency = <400000>;
> + multi-master;
> + i2c-scl-clk-low-timeout-us = <32000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> +
> + i2c-switch@71 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x71>;
> + i2c-mux-idle-disconnect;
> +
> + imux16: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux17: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux18: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux19: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +
> + i2c-switch@72 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x72>;
> + i2c-mux-idle-disconnect;
> +
> + imux20: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux21: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux22: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux23: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +
> + i2c-switch@73 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x73>;
> + i2c-mux-idle-disconnect;
> +
> + imux24: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux25: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux26: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux27: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +
> + //A MUX for a riser with a secondary M.2 installed.
Add a space.
> + i2c-switch@74 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x74>;
> + i2c-mux-idle-disconnect;
> +
> + i2c5mux0: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + //Optional/secondary M.2 drive slot
Ditto.
> + m2riser: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + i2c5mux2: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + i2c5mux3: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +
> + i2c-switch@75 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x75>;
> + i2c-mux-idle-disconnect;
> +
> + imux28: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux29: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux30: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux31: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +
> + i2c-switch@76 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x76>;
> + i2c-mux-idle-disconnect;
> +
> + imux32: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux33: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux34: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux35: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +
> + i2c-switch@77 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x77>;
> + i2c-mux-idle-disconnect;
> +
> + imux36: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux37: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + imux38: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + imux39: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +};
> +
> +// I2C7
> +// Module 0/1 Leak Sensors
> +// Module 0/1 Fan Controllers
> +&i2c6 {
> + status = "okay";
> + clock-frequency = <400000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> + hsc@12 {
> + compatible = "ti,lm5066i";
> + reg = <0x12>;
> + shunt-resistor-micro-ohms = <190>;
> + status = "okay";
> + };
> + hsc@14 {
> + compatible = "ti,lm5066i";
> + reg = <0x14>;
> + shunt-resistor-micro-ohms = <190>;
> + status = "okay";
> + };
> + max31790_1 {
> + compatible = "maxim,max31790";
> + reg = <0x20>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + max31790_2 {
> + compatible = "maxim,max31790";
> + reg = <0x23>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + max31790_3 {
> + compatible = "maxim,max31790";
> + reg = <0x2c>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + max31790_4 {
> + compatible = "maxim,max31790";
> + reg = <0x2f>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +};
> +
> +// I2C9
> +// M.2
> +&i2c8 {
> + status = "okay";
> + clock-frequency = <400000>;
> + multi-master;
> + i2c-scl-clk-low-timeout-us = <32000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> +};
> +
> +// I2C10
> +// HMC IO Expander
> +// Module 0/1 IO Expanders
> +&i2c9 {
> + status = "okay";
> + clock-frequency = <400000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> + // Module 0, Expander @0x20
> + exp0: pca9555@20 {
> + compatible = "nxp,pca9555";
> + reg = <0x20>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
> +
> + gpio-line-names =
> + "FPGA_THERM_OVERT_L-I",
> + "FPGA_READY_BMC-I",
> + "HMC_BMC_DETECT-O",
> + "HMC_PGOOD-O",
> + "",
> + "BMC_STBY_CYCLE-O",
> + "FPGA_EROT_FATAL_ERROR_L-I",
> + "WP_HW_EXT_CTRL_L-O",
> + "EROT_FPGA_RST_L-O",
> + "FPGA_EROT_RECOVERY_L-O",
> + "BMC_EROT_FPGA_SPI_MUX_SEL-O",
> + "USB_HUB_RESET_L-O",
> + "NCSI_CS1_SEL-O",
> + "SGPIO_EN_L-O",
> + "B2B_IOEXP_INT_L-I",
> + "I2C_BUS_MUX_RESET_L-O";
> + };
> +
> + // Module 1, Expander @0x21
> + exp1: pca9555@21 {
> + compatible = "nxp,pca9555";
> + reg = <0x21>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
> +
> + gpio-line-names =
> + "SEC_FPGA_THERM_OVERT_L-I",
> + "SEC_FPGA_READY_BMC-I",
> + "",
> + "",
> + "",
> + "",
> + "SEC_FPGA_EROT_FATAL_ERROR_L-I",
> + "SEC_WP_HW_EXT_CTRL_L-O",
> + "SEC_EROT_FPGA_RST_L-O",
> + "SEC_FPGA_EROT_RECOVERY_L-O",
> + "SEC_BMC_EROT_FPGA_SPI_MUX_SEL-O",
> + "",
> + "",
> + "",
> + "",
> + "SEC_I2C_BUS_MUX_RESET_L-O";
> + };
> +
> + // HMC Expander @0x27
> + exp2: pca9555@27 {
> + compatible = "nxp,pca9555";
> + reg = <0x27>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
> +
> + gpio-line-names =
> + "HMC_PRSNT_L-I",
> + "HMC_READY-I",
> + "HMC_EROT_FATAL_ERROR_L-I",
> + "I2C_MUX_SEL-O",
> + "HMC_EROT_SPI_MUX_SEL-O",
> + "HMC_EROT_RECOVERY_L-O",
> + "HMC_EROT_RST_L-O",
> + "GLOBAL_WP_HMC-O",
> + "FPGA_RST_L-O",
> + "USB2_HUB_RST-O",
> + "CPU_UART_MUX_SEL-O",
> + "",
> + "",
> + "",
> + "",
> + "";
> + };
> + // HMC Expander @0x74
> + exp3: pca9555@74 {
> + compatible = "nxp,pca9555";
> + reg = <0x74>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
> +
> + gpio-line-names =
> + "IOB_PRSNT_L",
> + "IOB_DP_HPD",
> + "IOX_BMC_RESET",
> + "IOB_IOEXP_INT_L",
> + "IOB_UID_LED_L",
> + "IOB_UID_BTN_L",
> + "IOB_SYS_RST_BTN_L",
> + "IOB_PWR_LED_L",
> + "IOB_PWR_BTN_L",
> + "IOB_PHY_RST",
> + "CPLD_JTAG_MUX_SEL",
> + "",
> + "",
> + "",
> + "",
> + "";
> + };
> +};
> +
> +// I2C11
> +// BMC FRU EEPROM
> +// BMC Temp Sensor
> +&i2c10 {
> + status = "okay";
> + clock-frequency = <400000>;
> + i2c-tck-thddat-config = <0x0099EC00>;
> + // BMC FRU EEPROM - 256 bytes
> + eeprom@50 {
> + compatible = "atmel,24c02";
> + reg = <0x50>;
> + pagesize = <8>;
> + };
> +};
> +
> +// I2C12
> +&i2c11 {
> + status = "disabled";
> +};
> +
> +// I2C13
> +&i2c12 {
> + status = "disabled";
> +};
> +
> +// I2C14
> +// Module 0 UPHY3 SMBus
> +&i2c13 {
> + status = "disabled";
> +};
> +
> +// I2C15
> +// Module 1 UPHY3 SMBus
> +&i2c14 {
> + status = "okay";
> + clock-frequency = <100000>;
> + multi-master;
> + i2c-scl-clk-low-timeout-us = <32000>;
> + i2c-tck-thddat-config = <0x00EFD000>;
> +
> + //E1.S drive slot 0-3
> + i2c-switch@77 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x77>;
> + i2c-mux-idle-disconnect;
> +
> + e1si2c0: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + e1si2c1: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + e1si2c2: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + e1si2c3: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +};
> +
> +// I2C16
> +&i2c15 {
> + status = "okay";
> + clock-frequency = <100000>;
> + multi-master;
> + i2c-scl-clk-low-timeout-us = <32000>;
> + i2c-tck-thddat-config = <0x00EFD000>;
> +
> + //E1.S drive slot 4-7
> + i2c-switch@77 {
> + compatible = "nxp,pca9546";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x77>;
> + i2c-mux-idle-disconnect;
> +
> + e1si2c4: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + e1si2c5: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + e1si2c6: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + e1si2c7: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +};
> +
> +// PCIe RC
> +&pcie {
> + status = "okay";
> +
> + interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
> +
> + pcie_intc0: legacy-interrupt-controller {
> + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
> + };
> +};
> +
> +// Bridge between AHB bus and PCIe RC.
No dot/period needed at the end.
> +&h2x {
> + status = "okay";
> +};
> +
> +&mctp {
> + status = "okay";
> +};
> +
> +&jtag0 {
> + status = "okay";
> +};
> +
> +&jtag1 {
> + mux-gpios = <&sgpiom0 41 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
> + status = "okay";
> +};
> +
> +&rng {
> + status = "okay";
> +};
> +
Kind regards,
Paul
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