linux-kernel - Re: [PATCH v5 09/12] arm64: dts: mediatek: add ethernet support for mt8365-evk

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Message-ID: <CAFGrd9oZW0xjoXXPgZoqwMbgT5ovnRbDr+mZMPO=D2oee7tuuw@mail.gmail.com>
Date:   Fri, 7 Apr 2023 15:13:39 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Chaotian Jing <chaotian.jing@...iatek.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Wenbin Mei <wenbin.mei@...iatek.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Zhiyong Tao <zhiyong.tao@...iatek.com>,
        Bernhard Rosenkränzer <bero@...libre.com>,
        catalin.marinas@....com, Will Deacon <will@...nel.org>
Cc:     linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-mmc@...r.kernel.org,
        linux-gpio@...r.kernel.org,
        Alexandre Bailon <abailon@...libre.com>,
        Fabien Parent <fparent@...libre.com>,
        Amjad Ouled-Ameur <aouledameur@...libre.com>
Subject: Re: [PATCH v5 09/12] arm64: dts: mediatek: add ethernet support for mt8365-evk

+ To: Catalin Marinas <catalin.marinas@....com>
+ To: Will Deacon <will@...nel.org>

Sorry for the noise.

Regards,
Alexandre

Le ven. 7 avr. 2023 à 14:59, Alexandre Mergnat <amergnat@...libre.com> a écrit :
>
> - Enable "vibr" and "vsim2" regulators to power the ethernet chip.
>
> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 57 +++++++++++++++++++++++++++++
>  1 file changed, 57 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> index 9760f181eb34..431078f8670e 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> @@ -88,6 +88,28 @@ optee_reserved: optee@...00000 {
>         };
>  };
>
> +&ethernet {
> +       pinctrl-0 = <&ethernet_pins>;
> +       pinctrl-names = "default";
> +       phy-handle = <&eth_phy>;
> +       phy-mode = "rmii";
> +       /*
> +        * Ethernet and HDMI (DSI0) are sharing pins.
> +        * Only one can be enabled at a time and require the physical switch
> +        * SW2101 to be set on LAN position
> +        */
> +       status = "disabled";
> +
> +       mdio {
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               eth_phy: ethernet-phy@0 {
> +                       reg = <0>;
> +               };
> +       };
> +};
> +
>  &i2c0 {
>         clock-frequency = <100000>;
>         pinctrl-0 = <&i2c0_pins>;
> @@ -137,12 +159,47 @@ &mt6357_pmic {
>         #interrupt-cells = <2>;
>  };
>
> +/* Needed by analog switch (multiplexer), HDMI and ethernet */
> +&mt6357_vibr_reg {
> +       regulator-always-on;
> +};
> +
>  /* Needed by MSDC1 */
>  &mt6357_vmc_reg {
>         regulator-always-on;
>  };
>
> +/* Needed by ethernet */
> +&mt6357_vsim2_reg {
> +       regulator-always-on;
> +};
> +
>  &pio {
> +       ethernet_pins: ethernet-pins {
> +               phy_reset_pins {
> +                       pinmux = <MT8365_PIN_133_TDM_TX_DATA1__FUNC_GPIO133>;
> +               };
> +
> +               rmii_pins {
> +                       pinmux = <MT8365_PIN_0_GPIO0__FUNC_EXT_TXD0>,
> +                                <MT8365_PIN_1_GPIO1__FUNC_EXT_TXD1>,
> +                                <MT8365_PIN_2_GPIO2__FUNC_EXT_TXD2>,
> +                                <MT8365_PIN_3_GPIO3__FUNC_EXT_TXD3>,
> +                                <MT8365_PIN_4_GPIO4__FUNC_EXT_TXC>,
> +                                <MT8365_PIN_5_GPIO5__FUNC_EXT_RXER>,
> +                                <MT8365_PIN_6_GPIO6__FUNC_EXT_RXC>,
> +                                <MT8365_PIN_7_GPIO7__FUNC_EXT_RXDV>,
> +                                <MT8365_PIN_8_GPIO8__FUNC_EXT_RXD0>,
> +                                <MT8365_PIN_9_GPIO9__FUNC_EXT_RXD1>,
> +                                <MT8365_PIN_10_GPIO10__FUNC_EXT_RXD2>,
> +                                <MT8365_PIN_11_GPIO11__FUNC_EXT_RXD3>,
> +                                <MT8365_PIN_12_GPIO12__FUNC_EXT_TXEN>,
> +                                <MT8365_PIN_13_GPIO13__FUNC_EXT_COL>,
> +                                <MT8365_PIN_14_GPIO14__FUNC_EXT_MDIO>,
> +                                <MT8365_PIN_15_GPIO15__FUNC_EXT_MDC>;
> +               };
> +       };
> +
>         gpio_keys: gpio-keys-pins {
>                 pins {
>                         pinmux = <MT8365_PIN_24_KPCOL0__FUNC_KPCOL0>;
>
> --
> 2.25.1
>