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Message-Id: <C18CZR.UPG8WJSWEO3L2@somainline.org>
Date: Sun, 13 Aug 2023 18:20:00 +0200
From: Martin Botka <martin.botka@...ainline.org>
To: Jernej Škrabec <jernej.skrabec@...il.com>
Cc: Martin Botka <martin.botka1@...il.com>,
Martin Botka <martin@...u3d.com>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>,
Marijn Suijten <marijn.suijten@...ainline.org>,
Jami Kettunen <jamipkettunen@...ainline.org>,
Paul Bouchara <paul.bouchara@...ainline.org>,
Andre Przywara <andre.przywara@....com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Chen-Yu Tsai <wens@...e.org>,
Samuel Holland <samuel@...lland.org>,
Ludwig Kormann <ludwig.kormann@...42.de>,
Icenowy Zheng <uwu@...nowy.me>, Andrew Lunn <andrew@...n.ch>,
Heiko Stuebner <heiko@...ech.de>,
Shawn Guo <shawnguo@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Chris Morgan <macromorgan@...mail.com>,
Jagan Teki <jagan@...eble.ai>,
Maxime Ripard <mripard@...nel.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/4] arm64: dts: allwinner: h616: Add BigTreeTech CB1
SoM & boards support
On Sun, Aug 13 2023 at 05:52:10 PM +02:00:00, Jernej Škrabec
<jernej.skrabec@...il.com> wrote:
> Hi Martin,
>
> since this will be obviously delayed to 6.7 cycle due to mfd patch
> not being
> merged in time, I have few nits below.
>
> Dne ponedeljek, 07. avgust 2023 ob 16:53:23 CEST je Martin Botka
> napisal(a):
>> From: Martin Botka <martin.botka@...ainline.org>
>>
>> CB1 is Compute Module style board that plugs into Rpi board style
>> adapter or
>> Manta 3D printer boards (M4P/M8P).
>>
>> The SoM features:
>> - H616 SoC
>> - 1GiB of RAM
>> - AXP313A PMIC
>> - RTL8189FTV WiFi
>>
>> Boards feature:
>> - 4x USB via USB2 hub (usb1 on SoM).
>> - SDcard slot for loading images.
>> - Ethernet port wired to the internal PHY. (100M)
>> - 2x HDMI 2.0. (Only 1 usable on CB1)
>> - Power and Status LEDs. (Only Status LED usable on CB1)
>> - 40 pin GPIO header
>>
>> Currently working:
>> - Booting
>> - USB
>> - UART
>> - MMC
>> - Status LED
>> - WiFi (RTL8189FS via out of tree driver)
>>
>> I didnt want to duplicate things so the manta DTS can also be used
>> on BTT
>> pi4b adapter. CB1 SoM has its own DTSI file in case other boards
>> shows up
>> that accept this SoM.
>>
>> Signed-off-by: Martin Botka <martin.botka@...ainline.org>
>> Reviewed-by: Andre Przywara <andre.przywara@....com>
>> ---
>> Changes in V2:
>> - Fixed whitespace errors
>> - Move UART into carrier boards and BTT Pi
>> - Remove usb1-vbus regulator
>> - Fix ranges and naming of AXP313A rails
>> - Add comment specifying why broken-cd in mmc0 is needed
>> - Rename sdio_wifi to wifi
>> - Specify in commit description that USB-OTG doesnt work
>> Changes in V3:
>> - Add missed semicolons
>> - Move model string from dtsi to board dts
>> - Add cb1 compatible
>> - Remove extra empty line
>> Changed in V4:
>> - Extend the range of vcc-dram to 1.5V (1.35V max caused issues
>> with
>> booting up
>>
>> arch/arm64/boot/dts/allwinner/Makefile | 1 +
>> .../sun50i-h616-bigtreetech-cb1-manta.dts | 35 +++++
>> .../sun50i-h616-bigtreetech-cb1.dtsi | 140
>> ++++++++++++++++++
>> 3 files changed, 176 insertions(+)
>> create mode 100644
>> arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1-manta.dts
>> create
>> mode 100644
>> arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/allwinner/Makefile
>> b/arch/arm64/boot/dts/allwinner/Makefile index
>> 6a96494a2e0a..7b386428510b
>> 100644
>> --- a/arch/arm64/boot/dts/allwinner/Makefile
>> +++ b/arch/arm64/boot/dts/allwinner/Makefile
>> @@ -38,5 +38,6 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-model-b.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-tanix-tx6-mini.dtb
>> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-bigtreetech-cb1-manta.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-orangepi-zero2.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h616-x96-mate.dtb
>> diff --git
>>
>> a/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1-manta.dts
>>
>> b/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1-manta.dts
>> new
>> file mode 100644
>> index 000000000000..dbce61b355d6
>> --- /dev/null
>> +++
>> b/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1-manta.dts
>> @@ -0,0 +1,35 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
>> +/*
>> + * Copyright (C) 2023 Martin Botka <martin.botka@...ainline.org>.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "sun50i-h616-bigtreetech-cb1.dtsi"
>> +
>> +/ {
>> + model = "BigTreeTech CB1";
>> + compatible = "bigtreetech,cb1-manta", "bigtreetech,cb1",
>> "allwinner,sun50i-h616"; +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&ehci1 {
>> + status = "okay";
>> +};
>> +
>> +&ohci1 {
>> + status = "okay";
>> +};
>> +
>> +&uart0 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&uart0_ph_pins>;
>> + status = "okay";
>> +};
>> diff --git
>> a/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1.dtsi
>> b/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1.dtsi
>> new file
>> mode 100644
>> index 000000000000..5e756f217813
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-bigtreetech-cb1.dtsi
>> @@ -0,0 +1,140 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
>> +/*
>> + * Copyright (C) 2023 Martin Botka <martin.botka@...ainline.org>.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "sun50i-h616.dtsi"
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/leds/common.h>
>> +
>> +/ {
>> + aliases {
>> + ethernet0 = &rtl8189ftv;
>> + };
>> +
>> + leds {
>> + compatible = "gpio-leds";
>> +
>> + led-0 {
>> + function = LED_FUNCTION_STATUS;
>> + color = <LED_COLOR_ID_GREEN>;
>> + gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5
> */
>> + };
>> + };
>> +
>> + reg_vcc5v: regulator-vcc5v {
>> + /* board wide 5V supply from carrier boards */
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc-5v";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + regulator-always-on;
>> + };
>> +
>> + reg_vcc33_wifi: vcc33-wifi {
>> + /* Always on 3.3V regulator for WiFi */
>
> Please drop the comment. It's pretty obvious from properties.
>
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc33-wifi";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-always-on;
>> + vin-supply = <®_vcc5v>;
>> + };
>> +
>> + reg_vcc_wifi_io: vcc-wifi-io {
>> + /* Always on 1.8V/300mA regulator for WiFi */
>
> Ditto.
>
> Once fixed, you can add:
> Reviewed-by: Jernej Skrabec <jernej.skrabec@...il.com>
>
> Best regards,
> Jernej
Got it for both comments. Will send V5 tomorrow.
Cheers,
Martin
>
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc-wifi-io";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-always-on;
>> + vin-supply = <®_vcc33_wifi>;
>> + };
>> +
>> + wifi_pwrseq: wifi-pwrseq {
>> + compatible = "mmc-pwrseq-simple";
>> + clocks = <&rtc 1>;
>> + clock-names = "ext_clock";
>> + reset-gpios = <&pio 6 18 GPIO_ACTIVE_LOW>; /* PG18 */
>> + post-power-on-delay-ms = <200>;
>> + };
>> +};
>> +
>> +&mmc0 {
>> + vmmc-supply = <®_dldo1>;
>> + /* Card detection pin is not connected */
>> + broken-cd;
>> + bus-width = <4>;
>> + status = "okay";
>> +};
>> +
>> +&mmc1 {
>> + vmmc-supply = <®_vcc33_wifi>;
>> + vqmmc-supply = <®_vcc_wifi_io>;
>> + mmc-pwrseq = <&wifi_pwrseq>;
>> + bus-width = <4>;
>> + non-removable;
>> + mmc-ddr-1_8v;
>> + status = "okay";
>> +
>> + rtl8189ftv: wifi@1 {
>> + reg = <1>;
>> + };
>> +};
>> +
>> +&r_i2c {
>> + status = "okay";
>> +
>> + axp313a: pmic@36 {
>> + compatible = "x-powers,axp313a";
>> + reg = <0x36>;
>> + interrupt-controller;
>> + #interrupt-cells = <1>;
>> +
>> + regulators{
>> + reg_dcdc1: dcdc1 {
>> + regulator-name = "vdd-gpu-sys";
>> + regulator-min-microvolt =
> <810000>;
>> + regulator-max-microvolt =
> <990000>;
>> + regulator-always-on;
>> + };
>> +
>> + reg_dcdc2: dcdc2 {
>> + regulator-name = "vdd-cpu";
>> + regulator-min-microvolt =
> <810000>;
>> + regulator-max-microvolt =
> <1100000>;
>> + regulator-ramp-delay = <200>;
>> + regulator-always-on;
>> + };
>> +
>> + reg_dcdc3: dcdc3 {
>> + regulator-name = "vcc-dram";
>> + regulator-min-microvolt =
> <1350000>;
>> + regulator-max-microvolt =
> <1500000>;
>> + regulator-always-on;
>> + };
>> +
>> + reg_aldo1: aldo1 {
>> + regulator-name = "vcc-1v8-pll";
>> + regulator-min-microvolt =
> <1800000>;
>> + regulator-max-microvolt =
> <1800000>;
>> + regulator-always-on;
>> + };
>> +
>> + reg_dldo1: dldo1 {
>> + regulator-name = "vcc-3v3-io";
>> + regulator-min-microvolt =
> <3300000>;
>> + regulator-max-microvolt =
> <3300000>;
>> + regulator-always-on;
>> + };
>> + };
>> + };
>> +};
>> +
>> +&usbphy {
>> + status = "okay";
>> +};
>
>
>
>
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