linux-kernel - Re: [PATCH v3 2/2] arm64: dts: mediatek: add device-tree for Genio 1200 EVK board

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <f9b97807-f0e1-8122-ae33-18a38ad7f195@collabora.com>
Date:   Thu, 7 Sep 2023 10:48:39 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Macpaul Lin <macpaul.lin@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bernhard Rosenkränzer <bero@...libre.com>,
        Sean Wang <sean.wang@...iatek.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Cc:     Bear Wang <bear.wang@...iatek.com>,
        Pablo Sun <pablo.sun@...iatek.com>,
        Macpaul Lin <macpaul@...il.com>, Ben Lok <ben.lok@...iatek.com>
Subject: Re: [PATCH v3 2/2] arm64: dts: mediatek: add device-tree for Genio
 1200 EVK board

Il 06/09/23 13:44, Macpaul Lin ha scritto:
> Add basic device-tree for the Genio 1200 EVK board. The
> Demo board is made by MediaTek and has a MT8395 SoC (MT8195 family),
> associated with the MT6359 and MT6360 PMICs, and
> the MT7921 connectivity chip.
> 
> The IOs available on that board are:
> * 1 USB Type-C connector with DP aux mode support
> * 2 USB Type-A connector with a USB hub
> * 1 micro-USB port for gadget or OTG support
> * 1 full size HDMI RX and 1 full size HDMI TX connector
> * 1 micro SD slot
> * 40 pins header
> * SPI interface header
> * 1 M.2 slot
> * 1 audio jack
> * 1 micro-USB port for serial debug
> * 2 connectors for DSI displays, 1 of the DSI panel is installed
> * 3 connectors for CSI cameras
> * 1 connector for a eDP panel
> * 1 MMC storage
> * 1 Touch Panel (installed DSI display)
> * 1 M.2 slot for 5G dongle
> 
> This commit adds basic support in order to be able to boot.
> 
> Signed-off-by: Ben Lok <ben.lok@...iatek.com>
> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
> ---
>   arch/arm64/boot/dts/mediatek/Makefile         |   1 +
>   .../boot/dts/mediatek/genio-1200-evk.dts      | 916 ++++++++++++++++++
>   2 files changed, 917 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/mediatek/genio-1200-evk.dts
> 
> Changes for v2:
>   - correct SOC binding to "mediatek,mt8395".
>   - Fix a Linux coding style comments for optee node.
>   - Fix wifi fixed 3.3v power's node with "wifi-3v3-regulator".
>   - Fix node name of mt6360 and mt6517 to generic dts name as "pmic".
>   - Remove unecessary blank line.
>   - Reording usb node as the order of "phy" then "host".
> 
> Changes for v3:
>   - Add back bindings for "mediatek,mt8195".
>   - Fix wifi fixed 3.3v power's node with "regulator-2"
> 
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index c99c3372a4b5..5bf29581f08b 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -1,4 +1,5 @@
>   # SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_MEDIATEK) += genio-1200-evk.dtb

Please follow the current naming in dts/mediatek/.

This should be `mt8395-genio-1200-evk.dtb`

>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt6779-evb.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/genio-1200-evk.dts b/arch/arm64/boot/dts/mediatek/genio-1200-evk.dts
> new file mode 100644
> index 000000000000..dd7518784aaf
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/genio-1200-evk.dts

`mt8195-genio-1200-evk.dts` please

> @@ -0,0 +1,916 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright (C) 2023 MediaTek Inc.
> + * Author: Ben Lok <ben.lok@...iatek.com>
> + *	   Macpaul Lin <macpaul.lin@...iatek.com>
> + */
> +/dts-v1/;
> +
> +#include "mt8195.dtsi"
> +#include "mt6359.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/pinctrl/mt8195-pinfunc.h>
> +#include <dt-bindings/regulator/mediatek,mt6360-regulator.h>
> +#include <dt-bindings/spmi/spmi.h>
> +#include <dt-bindings/usb/pd.h>
> +
> +/ {
> +	model = "MediaTek Genio 1200 EVK-P1V2-EMMC";
> +	compatible = "mediatek,mt8395-evk", "mediatek,mt8395",
> +		     "mediatek,mt8195";
> +

..snip..

> +
> +&eth {
> +	phy-mode ="rgmii-rxid";
> +	phy-handle = <&eth_phy0>;
> +	snps,reset-gpio = <&pio 93 GPIO_ACTIVE_HIGH>;
> +	snps,reset-delays-us = <0 10000 10000>;
> +	mediatek,tx-delay-ps = <2030>;
> +	mediatek,mac-wol;
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&eth_default_pins>;
> +	pinctrl-1 = <&eth_sleep_pins>;
> +	status = "okay";
> +
> +	mdio {
> +		compatible = "snps,dwmac-mdio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		eth_phy0: eth-phy0@1 {
> +			compatible = "ethernet-phy-id001c.c916";
> +			reg = <0x1>;
> +		};
> +	};
> +};
> +
> +&uart0 {
> +	pinctrl-0 = <&uart0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	pinctrl-0 = <&uart1_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&scp {
> +	status = "okay";
> +};
> +
> +&mmc0 {
> +	status = "okay";
> +	pinctrl-names = "default", "state_uhs";
> +	pinctrl-0 = <&mmc0_default_pins>;
> +	pinctrl-1 = <&mmc0_uhs_pins>;
> +	bus-width = <8>;
> +	max-frequency = <200000000>;
> +	cap-mmc-highspeed;
> +	mmc-hs200-1_8v;
> +	mmc-hs400-1_8v;
> +	cap-mmc-hw-reset;
> +	no-sdio;
> +	no-sd;
> +	hs400-ds-delay = <0x14c11>;
> +	vmmc-supply = <&mt6359_vemc_1_ldo_reg>;
> +	vqmmc-supply = <&mt6359_vufs_ldo_reg>;
> +	non-removable;
> +};
> +
> +&mmc1 {
> +	pinctrl-names = "default", "state_uhs";
> +	pinctrl-0 = <&mmc1_default_pins>;
> +	pinctrl-1 = <&mmc1_uhs_pins>;
> +	bus-width = <4>;
> +	max-frequency = <200000000>;
> +	cap-sd-highspeed;
> +	sd-uhs-sdr50;
> +	sd-uhs-sdr104;
> +	no-mmc;
> +	no-sdio;
> +	vmmc-supply = <&mt6360_ldo5>;
> +	vqmmc-supply = <&mt6360_ldo3>;
> +	status = "okay";
> +	non-removable;
> +};
> +
> +
> +&ufsphy {
> +	status = "disabled";
> +};
> +
> +&pmic {

Please order nodes by name. pmic goes before ufsphy.

> +	interrupt-parent = <&pio>;
> +	interrupts = <222 IRQ_TYPE_LEVEL_HIGH>;
> +};
> +
> +&scp {
> +	memory-region = <&scp_mem>;
> +	status = "okay";
> +};
> +
> +&i2c0 {

...and `i` comes before 'mmc` as well...

> +	clock-frequency = <400000>;
> +	pinctrl-0 = <&i2c0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +

..snip..

> +
> +&mt6359_vgpu11_buck_reg {
> +	regulator-always-on;
> +};
> +
> +&mt6359_vpu_buck_reg {
> +	regulator-always-on;
> +};
> +
> +&mt6359_vcore_buck_reg {
> +	regulator-always-on;
> +};
> +
> +&mt6359_vbbck_ldo_reg {
> +	regulator-always-on;
> +};
> +
> +&mt6359_vaud18_ldo_reg {
> +	regulator-always-on;
> +};
> +
> +&mt6359_vrf12_ldo_reg {
> +	regulator-always-on;
> +};
> +
> +&mt6359_vcn33_2_bt_ldo_reg {
> +	regulator-min-microvolt = <3300000>;
> +	regulator-max-microvolt = <3300000>;
> +};
> +
> +/* DEBUG: to remove */

...then remove it? :-)

> +&mt6359_vibr_ldo_reg {
> +	regulator-always-on;
> +};
> +
> +/* For USB Hub */
> +&mt6359_vcamio_ldo_reg {
> +	regulator-always-on;
> +};
> +
> +&spmi {

spmi goes after pciephy.... and please fix all of the other instances
of wrong ordering across this entire file.

Regards,
Angelo