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Date: Tue, 16 May 2023 11:02:53 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Chen.PJ 陳柏任 TAO <Chen.PJ@...entec.com>,
Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
"soc@...nel.org" <soc@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>
Cc: Ye.Vic 葉宇清 TAO <ye.vic@...entec.com>,
Huang.Alang 黃英郎 TAO
<Huang.Alang@...entec.com>
Subject: Re: [PATCH v2] ARM: dts: aspeed: Adding Inventec Starscream BMC
On 16/05/2023 10:46, Chen.PJ 陳柏任 TAO wrote:
> Initial introduction of Inventec Starscream x86 family equipped with AST2600 BMC SoC.
Please wrap commit message according to Linux coding style / submission
process (neither too early nor over the limit):
https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597
>
> Signed-off-by: Chen PJ <Chen.pj@...entec.com>
>
> ---
> v2:
> - Correct License description
> - Remove not supported device
> - Using openbmc-flash-layout.dtsi
> - Correct device format
> ---
> ---
> arch/arm/boot/dts/Makefile | 1 +
> .../dts/aspeed-bmc-inventec-starscream.dts | 513 ++++++++++++++++++
> 2 files changed, 514 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed-bmc-inventec-starscream.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index eb681903d50b..0002290ae028 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1630,6 +1630,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-quanta-s6q.dtb \
> aspeed-bmc-supermicro-x11spi.dtb \
> aspeed-bmc-inventec-transformers.dtb \
> + aspeed-bmc-inventec-starscream.dtb \
Please keep alphabetical order.
> aspeed-bmc-tyan-s7106.dtb \
> aspeed-bmc-tyan-s8036.dtb \
> aspeed-bmc-vegman-n110.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-inventec-starscream.dts b/arch/arm/boot/dts/aspeed-bmc-inventec-starscream.dts
> new file mode 100644
> index 000000000000..a6c733b29d04
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-inventec-starscream.dts
> @@ -0,0 +1,513 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +// Copyright 2023 Inventec Corp.
> +
> +/dts-v1/;
> +
> +#include "aspeed-g6.dtsi"
> +#include "aspeed-g6-pinctrl.dtsi"
> +#include <dt-bindings/i2c/i2c.h>
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +
> +/ {
> + model = "STARSCREAM BMC";
> + compatible = "inventec,starscream-bmc", "aspeed,ast2600";
Still missing bindings.
> +
> + aliases {
> + serial4 = &uart5;
> + };
> +
> + chosen {
> + stdout-path = &uart5;
> + bootargs = "console=tty0 console=ttyS4,115200n8 root=/dev/ram rw init=/linuxrc";
Drop bootargs. They are not part of hardware description.
> + };
> +
> + 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;
> + };
> +
> + ssp_memory: ssp_memory {
No underscores in node names.
> + size = <0x00200000>;
> + alignment = <0x00100000>;
> + compatible = "shared-dma-pool";
> + no-map;
> + };
> + };
> +
> + iio-hwmon {
> + compatible = "iio-hwmon";
> + io-channels =
> + <&adc_u74 0>, // P0_VDD11
> + <&adc_u74 1>, // P1_VDD11
> + <&adc_u74 2>, // P0_3V3_S5
> + <&adc_u74 3>, // P1_3V3_S5
> + <&adc_u74 4>, // P3V3
> + <&adc_u74 5>, // VBAT
> + <&adc_u74 6>, // P3V3_STBY
> + <&adc_u74 7>, // P5V_STBY
> + <&adc_u74 8>, // P5V
> + <&adc_u74 9>, // P12V
> + <&adc_u74 10>, // P1_VDD18_S5
> + <&adc_u74 11> // P0_VDD18_S5
> + ;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + // UID led
Redundant/obvious comment drop.
> + uid {
It does not look like you tested the DTS against bindings. Please run
`make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).
> + label = "UID_LED";
> + gpios = <&gpio0 ASPEED_GPIO(X, 2) GPIO_ACTIVE_LOW>;
> + };
> +
> + // Heart beat led
> + heartbeat {
Ditto
> + label = "HB_LED";
> + gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
...
> +
> + usb_hub:i2c@0 {
Missing space after label. Fix it everywhere.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + // USB U114
> + usb2512b@2c {
Node names should be generic. See also explanation and list of examples
in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "microchip,usb2514b";
> + reg = <0x2c>;
> + };
> + };
> +
> + riser1:i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + };
> +
> + riser2:i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + };
> +
> + i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + };
> + };
> +};
> +
> +&i2c6 {
> + status = "okay";
> +
> + // FRU Motherboard
> + eeprom@51 {
> + compatible = "atmel,24c64";
> + reg = <0x51>;
> + pagesize = <32>;
> + };
> +
> + // ADC_U74
> + adc_u74:max1139@35 {
Node names should be generic. See also explanation and list of examples
in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "maxim,max1139";
> + reg = <0x35>;
> + #io-channel-cells = <1>;
> + };
> +
> + psu@58 {
> + compatible = "pmbus";
> + reg = <0x58>;
> + };
> +
> + psu@5a {
> + compatible = "pmbus";
> + reg = <0x5a>;
> + };
> +
> + // Motherboard Temp_U89
> + tmp421@4e {
Node names should be generic. See also explanation and list of examples
in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "ti,tmp421";
> + reg = <0x4e>;
> + };
> +
> + // RunBMC Temp_U6
> + tmp75@49 {
Node names should be generic. See also explanation and list of examples
in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "ti,tmp75";
> + reg = <0x49>;
> + };
> +
> + // Right ear board Temp_U1
> + emc1412@7c {
Node names should be generic. See also explanation and list of examples
in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
Best regards,
Krzysztof
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