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Message-ID: <ea9e34ec-c557-4616-a95e-7b20229db03a@amperemail.onmicrosoft.com>
Date: Mon, 14 Oct 2024 17:54:57 +0700
From: Chanh Nguyen <chanh@...eremail.onmicrosoft.com>
To: Chanh Nguyen <chanh@...amperecomputing.com>,
Rob Herring <robh+dt@...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>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org, OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
Open Source Submission <patches@...erecomputing.com>
Cc: Phong Vo <phong@...amperecomputing.com>,
Thang Nguyen <thang@...amperecomputing.com>,
Quan Nguyen <quan@...amperecomputing.com>,
Khanh Pham <khpham@...erecomputing.com>
Subject: Re: [PATCH] ARM: dts: aspeed: Add device tree for Ampere's Mt.
Jefferson BMC
Hi @Andrew, I just upstreamed the patch
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/Documentation/devicetree/bindings/trivial-devices.yaml?id=3d973b98d2744cfced1f06167c83e2cc2d7b63d5
to linux-next branch, I think we also need to pick it up to
https://github.com/openbmc/linux/tree/dev-6.6, which will help pass the
"onnn,adt7462" compatible warning log from the dt_binding_check tool.
On 14/10/2024 17:50, Chanh Nguyen wrote:
> The Mt. Jefferson BMC is an ASPEED AST2600-based BMC for the Mt. Jefferson
> hardware reference platform with AmpereOne(TM)M processor.
>
> Signed-off-by: Chanh Nguyen <chanh@...amperecomputing.com>
> ---
> arch/arm/boot/dts/aspeed/Makefile | 1 +
> .../aspeed/aspeed-bmc-ampere-mtjefferson.dts | 646 ++++++++++++++++++
> 2 files changed, 647 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts
>
> diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
> index c4f064e4b073..b1fb0853a789 100644
> --- a/arch/arm/boot/dts/aspeed/Makefile
> +++ b/arch/arm/boot/dts/aspeed/Makefile
> @@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-amd-daytonax.dtb \
> aspeed-bmc-amd-ethanolx.dtb \
> aspeed-bmc-ampere-mtjade.dtb \
> + aspeed-bmc-ampere-mtjefferson.dtb \
> aspeed-bmc-ampere-mtmitchell.dtb \
> aspeed-bmc-arm-stardragon4800-rep2.dtb \
> aspeed-bmc-asrock-e3c246d4i.dtb \
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts
> new file mode 100644
> index 000000000000..f24111ab9e65
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtjefferson.dts
> @@ -0,0 +1,646 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +// Copyright 2024 Ampere Computing LLC.
> +
> +/dts-v1/;
> +
> +#include "aspeed-g6.dtsi"
> +#include <dt-bindings/i2c/i2c.h>
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +
> +/ {
> + model = "Ampere Mt. Jefferson BMC";
> + compatible = "ampere,mtjefferson-bmc", "aspeed,ast2600";
> +
> + aliases {
> + i2c20 = &i2c4_bus70_chn0;
> + i2c22 = &i2c4_bus70_chn2;
> + i2c24 = &i2c2_bus70_chn0;
> +
> + /*
> + * I2C OCP alias port
> + */
> + i2c30 = &ocpslot;
> +
> + /*
> + * I2C NVMe alias port
> + */
> + i2c48 = &nvmeslot_0;
> + i2c49 = &nvmeslot_1;
> + i2c50 = &nvmeslot_2;
> + i2c51 = &nvmeslot_3;
> + i2c52 = &nvmeslot_4;
> + i2c53 = &nvmeslot_5;
> + i2c54 = &nvmeslot_6;
> + i2c55 = &nvmeslot_7;
> + i2c56 = &nvmeslot_8;
> + i2c57 = &nvmeslot_9;
> + i2c58 = &nvmeslot_10;
> + i2c59 = &nvmeslot_11;
> + };
> +
> + chosen {
> + stdout-path = &uart5;
> + };
> +
> + 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: video {
> + size = <0x04000000>;
> + alignment = <0x01000000>;
> + compatible = "shared-dma-pool";
> + reusable;
> + };
> +
> + vga_memory: region@...00000 {
> + no-map;
> + compatible = "shared-dma-pool";
> + reg = <0xbf000000 0x01000000>; /* 16M */
> + };
> + };
> +
> + voltage_mon_reg: voltage-mon-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "ltc2497_reg";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + led-bmc-ready {
> + gpios = <&gpio0 ASPEED_GPIO(W, 5) (GPIO_ACTIVE_HIGH | GPIO_TRANSITORY)>;
> + };
> +
> + led-sw-heartbeat {
> + gpios = <&gpio0 ASPEED_GPIO(N, 3) GPIO_ACTIVE_HIGH>;
> + };
> +
> + led-identify {
> + gpios = <&gpio0 ASPEED_GPIO(S, 3) GPIO_ACTIVE_HIGH>;
> + };
> +
> + led-fault {
> + gpios = <&gpio0 ASPEED_GPIO(P, 4) GPIO_ACTIVE_HIGH>;
> + };
> + };
> +
> + iio-hwmon {
> + compatible = "iio-hwmon";
> + io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>,
> + <&adc_i2c_2 0>, <&adc_i2c_2 1>,
> + <&adc_i2c_2 2>, <&adc_i2c_2 3>,
> + <&adc_i2c_2 4>, <&adc_i2c_2 5>,
> + <&adc_i2c_2 6>, <&adc_i2c_2 7>,
> + <&adc_i2c_2 8>, <&adc_i2c_2 9>,
> + <&adc_i2c_2 10>, <&adc_i2c_2 11>,
> + <&adc_i2c_2 12>, <&adc_i2c_2 13>,
> + <&adc_i2c_2 14>, <&adc_i2c_2 15>,
> + <&adc_i2c_0 0>, <&adc_i2c_0 1>,
> + <&adc_i2c_0 2>, <&adc_i2c_0 3>,
> + <&adc_i2c_0 4>, <&adc_i2c_0 5>,
> + <&adc_i2c_0 6>, <&adc_i2c_0 7>,
> + <&adc_i2c_0 8>, <&adc_i2c_0 9>,
> + <&adc_i2c_0 10>, <&adc_i2c_0 11>,
> + <&adc_i2c_0 12>;
> + };
> +};
> +
> +&mdio0 {
> + status = "okay";
> +
> + ethphy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + };
> +};
> +
> +&mac0 {
> + status = "okay";
> +
> + phy-mode = "rgmii";
> + phy-handle = <ðphy0>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgmii1_default>;
> +};
> +
> +&mac3 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rmii4_default>;
> + clock-names = "MACCLK", "RCLK";
> + use-ncsi;
> +};
> +
> +&fmc {
> + status = "okay";
> + flash@0 {
> + status = "okay";
> + m25p,fast-read;
> + label = "bmc";
> + spi-max-frequency = <50000000>;
> +#include "openbmc-flash-layout-64.dtsi"
> + };
> +
> + flash@1 {
> + status = "okay";
> + m25p,fast-read;
> + label = "alt-bmc";
> + spi-max-frequency = <50000000>;
> +#include "openbmc-flash-layout-64-alt.dtsi"
> + };
> +};
> +
> +&spi1 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi1_default>;
> +
> + flash@0 {
> + status = "okay";
> + m25p,fast-read;
> + label = "pnor";
> + spi-max-frequency = <20000000>;
> + };
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +};
> +
> +&i2c1 {
> + status = "okay";
> +};
> +
> +&i2c2 {
> + status = "okay";
> + i2c-mux@70 {
> + compatible = "nxp,pca9548";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x70>;
> + i2c-mux-idle-disconnect;
> +
> + i2c2_bus70_chn0: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0>;
> + psu@58 {
> + compatible = "pmbus";
> + reg = <0x58>;
> + };
> +
> + psu@59 {
> + compatible = "pmbus";
> + reg = <0x59>;
> + };
> + };
> + };
> +};
> +
> +&i2c3 {
> + status = "okay";
> + bus-frequency = <1000000>;
> + multi-master;
> + mctp-controller;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +};
> +
> +&i2c4 {
> + status = "okay";
> + eeprom@50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + pagesize = <32>;
> + };
> +
> + i2c-mux@70 {
> + compatible = "nxp,pca9545";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x70>;
> + i2c-mux-idle-disconnect;
> +
> + i2c4_bus70_chn0: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0>;
> +
> + eeprom@52 {
> + compatible = "atmel,24c256";
> + reg = <0x52>;
> + pagesize = <32>;
> + };
> + temperature-sensor@48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> + temperature-sensor@49 {
> + compatible = "ti,tmp75";
> + reg = <0x49>;
> + };
> + temperature-sensor@4a{
> + compatible = "ti,tmp75";
> + reg = <0x4a>;
> + };
> + temperature-sensor@4b {
> + compatible = "ti,tmp464";
> + reg = <0x4b>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + reg = <0x0>;
> + status = "disabled";
> + };
> + channel@1 {
> + reg = <0x1>;
> + status = "disabled";
> + };
> + channel@2 {
> + reg = <0x2>;
> + status = "disabled";
> + };
> + channel@3 {
> + reg = <0x3>;
> + status = "disabled";
> + };
> + channel@4 {
> + reg = <0x4>;
> + };
> + };
> + temperature-sensor@4d {
> + compatible = "ti,tmp75";
> + reg = <0x4d>;
> + };
> + temperature-sensor@4e {
> + compatible = "ti,tmp75";
> + reg = <0x4e>;
> + };
> + temperature-sensor@4f {
> + compatible = "ti,tmp75";
> + reg = <0x4f>;
> + };
> + temperature-sensor@28 {
> + compatible = "nuvoton,nct7802";
> + reg = <0x28>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + channel@1 { /* RTD1 */
> + reg = <1>;
> + sensor-type = "temperature";
> + temperature-mode = "thermistor";
> + };
> + };
> + adc_i2c_0: adc@14 {
> + compatible = "lltc,ltc2497";
> + reg = <0x14>;
> + vref-supply = <&voltage_mon_reg>;
> + #io-channel-cells = <1>;
> + };
> + };
> +
> + i2c4_bus70_chn2: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x2>;
> +
> + adc_i2c_2: adc@14 {
> + compatible = "lltc,ltc2497";
> + reg = <0x14>;
> + vref-supply = <&voltage_mon_reg>;
> + #io-channel-cells = <1>;
> + };
> + };
> + };
> +};
> +
> +&i2c5 {
> + status = "okay";
> + i2c-mux@70 {
> + compatible = "nxp,pca9548";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x70>;
> + i2c-mux-idle-disconnect;
> +
> + i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0>;
> +
> + i2c-mux@71 {
> + compatible = "nxp,pca9548";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x71>;
> + i2c-mux-idle-disconnect;
> +
> + nvmeslot_8: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0>;
> + };
> + nvmeslot_9: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x1>;
> + };
> + nvmeslot_10: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x2>;
> + };
> + nvmeslot_11: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x3>;
> + };
> + };
> +
> + i2c-mux@72 {
> + compatible = "nxp,pca9548";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x72>;
> + i2c-mux-idle-disconnect;
> +
> + nvmeslot_4: i2c@4 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x4>;
> + };
> + nvmeslot_5: i2c@5 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x5>;
> + };
> + nvmeslot_6: i2c@6 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x6>;
> + };
> + nvmeslot_7: i2c@7 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x7>;
> + };
> + };
> +
> + i2c-mux@74 {
> + compatible = "nxp,pca9548";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x74>;
> + i2c-mux-idle-disconnect;
> +
> + ocpslot: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0>;
> +
> + ocpslot_temp: temperature-sensor@1f {
> + compatible = "ti,tmp421";
> + reg = <0x1f>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + reg = <0x0>;
> + status = "disabled";
> + };
> + channel@1 {
> + reg = <0x1>;
> + };
> + };
> + };
> +
> + nvmeslot_0: i2c@4 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x4>;
> + };
> + nvmeslot_1: i2c@5 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x5>;
> + };
> + nvmeslot_2: i2c@6 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x6>;
> + };
> + nvmeslot_3: i2c@7 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x7>;
> + };
> + };
> + };
> + };
> +};
> +
> +&i2c6 {
> + status = "okay";
> +
> + rtc@51 {
> + compatible = "nxp,pcf8563";
> + reg = <0x51>;
> + };
> +};
> +
> +&i2c7 {
> + status = "okay";
> +
> + temperature-sensor@4f {
> + compatible = "ti,tmp75";
> + reg = <0x4f>;
> + };
> +};
> +
> +&i2c8 {
> + status = "okay";
> +
> + fan-controller@5c {
> + compatible = "onnn,adt7462";
> + reg = <0x5c>;
> + };
> +};
> +
> +&i2c9 {
> + status = "okay";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@50 {
> + compatible = "atmel,24c02";
> + reg = <0x50>;
> + };
> +
> + eeprom@52 {
> + compatible = "atmel,24c02";
> + reg = <0x52>;
> + };
> +
> + temperature-sensor@18 {
> + compatible = "jedec,jc-42.4-temp";
> + reg = <0x18>;
> + };
> +
> + temperature-sensor@1a {
> + compatible = "jedec,jc-42.4-temp";
> + reg = <0x1a>;
> + };
> +};
> +
> +&i2c10 {
> + status = "okay";
> +};
> +
> +&i2c11 {
> + status = "okay";
> + ssif-bmc@10 {
> + compatible = "ssif-bmc";
> + reg = <0x10>;
> + };
> +};
> +
> +&i2c14 {
> + status = "okay";
> + eeprom@50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + pagesize = <32>;
> + };
> +
> + bmc_ast2600_cpu: temperature-sensor@48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> +};
> +
> +&i2c15 {
> + status = "okay";
> + gpio_expander1: gpio-expander@22 {
> + compatible = "nxp,pca9535";
> + reg = <0x22>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-line-names =
> + "presence-ocp1","presence-ocp2",
> + "","",
> + "","",
> + "","",
> + "","",
> + "","",
> + "","",
> + "","";
> + };
> +};
> +
> +&adc0 {
> + status = "okay";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
> + &pinctrl_adc2_default>;
> +};
> +
> +&vhub {
> + status = "okay";
> +};
> +
> +&video {
> + status = "okay";
> + memory-region = <&video_engine_memory>;
> +};
> +
> +&gpio0 {
> + gpio-line-names =
> + /*A0-A7*/ "","","","","cpu-type-detect","i2c2-reset-n","i2c6-reset-n","i2c5-reset-n",
> + /*B0-B7*/ "","","","","host0-sysreset-n","host0-pmin-n","fru-rd-complete",
> + "chassis-id-sel",
> + /*C0-C7*/ "s0-vrd-fault-n","","bmc-debug-mode","","cpld-3v3-irq-n","","vrd-sel",
> + "spd-sel",
> + /*D0-D7*/ "presence-ps0","presence-ps1","hsc-12vmain-alt2-n","ext-high-temp-n",
> + "","","","",
> + /*E0-E7*/ "eth-phy-rst-n","eth-phy-int-n","","","","","","",
> + /*F0-F7*/ "s0-pcp-oc-warn-n","","power-chassis-control",
> + "cpu-bios-recover","s0-heartbeat","hs-scout-proc-hot","s0-vr-hot-n","",
> + /*G0-G7*/ "","","hsc-12vmain-alt1-n","","","bp-cpld-program-en","led-fp-sta-gr",
> + "led-fp-sta-amb",
> + /*H0-H7*/ "jtag-program-sel","jtag-cmpl2","wd-disable-n","power-chassis-good","","",
> + "","",
> + /*I0-I7*/ "","","","","","","power-button","rtc-battery-voltage-read-enable",
> + /*J0-J7*/ "","","","","","","","",
> + /*K0-K7*/ "","","","","","","","",
> + /*L0-L7*/ "","","","","reset-button","","","",
> + /*M0-M7*/ "nmi-n","s0-ddr-save","soc-spi-nor-access","presence-cpu0","s0-rtc-lock",
> + "","","",
> + /*N0-N7*/ "hpm-fw-recovery","hpm-stby-rst-n","jtag-sel-s0","led-sw-hb",
> + "jtag-dbgr-prsnt-n","","","",
> + /*O0-O7*/ "","","","","","","","",
> + /*P0-P7*/ "ps0-ac-loss-n","ps1-ac-loss-n","","","led-fault","user-mode","jtag-srst-n",
> + "led-bmc-hb",
> + /*Q0-Q7*/ "","","","","","","","",
> + /*R0-R7*/ "","","","","","","","",
> + /*S0-S7*/ "","","identify-button","led-identify","","spi-nor-access","host0-ready","",
> + /*T0-T7*/ "","","","","","","","",
> + /*U0-U7*/ "","","","","","","","",
> + /*V0-V7*/ "s0-hightemp-n","s0-fault-alert","s0-sys-auth-failure-n",
> + "host0-reboot-ack-n","s0-fw-boot-ok","host0-shd-req-n",
> + "host0-shd-ack-n","s0-overtemp-n",
> + /*W0-W7*/ "ocp-aux-pwren","ocp-main-pwren","ocp-pgood","",
> + "bmc-ok","bmc-ready","spi0-program-sel","spi0-backup-sel",
> + /*X0-X7*/ "","","","","","","","",
> + /*Y0-Y7*/ "","","","vrd-prg-en-n","","","","host0-special-boot",
> + /*Z0-Z7*/ "","ps0-pgood","ps1-pgood","","","","","";
> +
> + ocp-aux-pwren-hog {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "ocp-aux-pwren";
> + };
> +
> +};
> +
> +&gpio1 {
> + gpio-line-names =
> + /*18A0-18A7*/ "","","","","","","","",
> + /*18B0-18B7*/ "","","","","s0-soc-pgood","vga-ft-press-n","emmc-rst-n","s01-uart1-sel",
> + /*18C0-18C7*/ "uart1-mode0","uart1-mode1","uart2-mode0","uart2-mode1",
> + "","","","",
> + /*18D0-18D7*/ "","","","","","","","",
> + /*18E0-18E3*/ "","","","";
> +};
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