linux-kernel - Re: [PATCH 2/2] arm64: dts: mediatek: add device-tree for Genio 700 EVK board

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Message-ID: <0035b43a-1172-c8f0-7033-85f149149ad9@mediatek.com>
Date:   Wed, 13 Sep 2023 12:04:07 +0800
From:   Macpaul Lin <macpaul.lin@...iatek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        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>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Bernhard Rosenkränzer <bero@...libre.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>,
        Chris-QJ Chen <chris-qj.chen@...iatek.com>
Subject: Re: [PATCH 2/2] arm64: dts: mediatek: add device-tree for Genio 700
 EVK board

On 9/12/23 22:32, Krzysztof Kozlowski wrote:
> 	
> 
> External email : Please do not click links or open attachments until you 
> have verified the sender or the content.
> 
> On 12/09/2023 16:06, Macpaul Lin wrote:
>> Add basic device-tree for the Genio 700 EVK board. The
>> Genio 700 EVK is based on MediaTek MT8390 SoC.
>> MT8390 hardware register maps are identical to MT8188.
>> 
>> The Genio 700 EVK has following features:
>> 
> 
> 
> ...
> 
>> +
>> +sdio_fixed_1v8: regulator-3 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "sdio_io";
>> +regulator-min-microvolt = <1800000>;
>> +regulator-max-microvolt = <1800000>;
>> +enable-active-high;
>> +regulator-always-on;
>> +};
>> +
>> +sdio_fixed_3v3: regulator-4 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "sdio_card";
>> +regulator-min-microvolt = <3300000>;
>> +regulator-max-microvolt = <3300000>;
>> +gpio = <&pio 74 0>;
> 
> Use proper defines.

Fixed remaining 3 defines of gpio value, will send v2.

>> +enable-active-high;
>> +regulator-always-on;
>> +};
>> +
>> +touch0_fixed_3v3: regulator-5 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "touch_3v3";
>> +regulator-min-microvolt = <3300000>;
>> +regulator-max-microvolt = <3300000>;
>> +gpio = <&pio 119 GPIO_ACTIVE_HIGH>;
>> +enable-active-high;
>> +};
>> +
>> +usb_hub_fixed_3v3: regulator-6 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "usb_hub_3v3";
>> +regulator-min-microvolt = <3300000>;
>> +regulator-max-microvolt = <3300000>;
>> +gpio = <&pio 112 0>; /* HUB_3V3_EN */
>> +startup-delay-us = <10000>;
>> +enable-active-high;
>> +};
>> +
>> +usb_hub_reset_1v8: regulator-7 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "usb_hub_reset";
>> +regulator-min-microvolt = <1800000>;
>> +regulator-max-microvolt = <1800000>;
>> +gpio = <&pio 7 0>; /* HUB_RESET */
>> +vin-supply = <&usb_hub_fixed_3v3>;
>> +};
>> +
>> +usb_p0_vbus: regulator-8 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "usb_p0_vbus";
>> +regulator-min-microvolt = <5000000>;
>> +regulator-max-microvolt = <5000000>;
>> +gpio = <&pio 84 GPIO_ACTIVE_HIGH>;
>> +enable-active-high;
>> +};
>> +
>> +usb_p1_vbus: regulator-9 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "usb_p1_vbus";
>> +regulator-min-microvolt = <5000000>;
>> +regulator-max-microvolt = <5000000>;
>> +gpio = <&pio 87 GPIO_ACTIVE_HIGH>;
>> +enable-active-high;
>> +};
>> +
>> +usb_p2_vbus: regulator-10 {
>> +compatible = "regulator-fixed";
>> +regulator-name = "usb_p2_vbus";
>> +regulator-min-microvolt = <5000000>;
>> +regulator-max-microvolt = <5000000>;
>> +enable-active-high;
>> +};
>> +};
>> +
>> +&i2c0 {
>> +pinctrl-names = "default";
>> +pinctrl-0 = <&i2c0_pins>;
>> +clock-frequency = <400000>;
>> +status = "okay";
>> +
>> +touchscreen@5d {
>> +compatible = "goodix,gt9271";
>> +reg = <0x5d>;
>> +interrupt-parent = <&pio>;
>> +interrupts = <6 IRQ_TYPE_EDGE_RISING>;
>> +irq-gpios = <&pio 6 GPIO_ACTIVE_HIGH>;
>> +reset-gpios = <&pio 5 GPIO_ACTIVE_HIGH>;
>> +AVDD28-supply = <&touch0_fixed_3v3>;
>> +VDDIO-supply = <&mt6359_vio18_ldo_reg>;
>> +pinctrl-names = "default";
>> +pinctrl-0 = <&touch_pins>;
>> +};
>> +};
>> +
>> +&i2c1 {
>> +pinctrl-names = "default";
>> +pinctrl-0 = <&i2c1_pins>;
>> +clock-frequency = <400000>;
>> +status = "okay";
>> +};
>> +
>> +&i2c2 {
>> +pinctrl-names = "default";
>> +pinctrl-0 = <&i2c2_pins>;
>> +clock-frequency = <400000>;
>> +status = "okay";
>> +};
>> +
>> +&i2c3 {
>> +pinctrl-names = "default";
>> +pinctrl-0 = <&i2c3_pins>;
>> +clock-frequency = <400000>;
>> +status = "okay";
>> +};
>> +
>> +&i2c4 {
>> +pinctrl-names = "default", "default";
> 
> Why do you need two default entries? This should be just one, shouldn't it?


Fixed.

> Best regards,
> Krzysztof
> 

Thanks for the review.

Best regards,
Macpaul Lin