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Date:   Thu, 21 May 2020 17:06:13 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/7] arm64: dts: mt8183: add usb and phy nodes



On 30/08/2019 09:40, Chunfeng Yun wrote:
> Add USB related nodes for MT8183, set it as host mode by default.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
> v2~v3: no changes
> ---
>  arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 22 +++++++++
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi    | 55 +++++++++++++++++++++
>  2 files changed, 77 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> index d8e555cbb5d3..142ff52f0f42 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
> @@ -6,7 +6,9 @@
>   */
>  
>  /dts-v1/;
> +#include <dt-bindings/gpio/gpio.h>
>  #include "mt8183.dtsi"
> +#include "mt6358.dtsi"

mt6358.dtsi is accepted upstream now.
While the rest of the series implements wake up function, I understand that this
patch is independent and enables USB without wake up.

If so, let me know and I can take it now.

Regards,
Matthias

>  
>  / {
>  	model = "MediaTek MT8183 evaluation board";
> @@ -24,6 +26,16 @@
>  	chosen {
>  		stdout-path = "serial0:921600n8";
>  	};
> +
> +	usb_vbus: regulator@0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "p0_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&pio 42 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-always-on;
> +	};
>  };
>  
>  &auxadc {
> @@ -135,6 +147,16 @@
>  
>  };
>  
> +&ssusb {
> +	vusb33-supply = <&mt6358_vusb_reg>;
> +	dr_mode = "host";
> +	status = "okay";
> +};
> +
> +&usb_host {
> +	status = "okay";
> +};
> +
>  &uart0 {
>  	status = "okay";
>  };
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index c2749c4631bc..28da334237c6 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -8,6 +8,7 @@
>  #include <dt-bindings/clock/mt8183-clk.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/phy/phy.h>
>  #include "mt8183-pinfunc.h"
>  
>  / {
> @@ -372,6 +373,35 @@
>  			status = "disabled";
>  		};
>  
> +		ssusb: usb@...01000 {
> +			compatible = "mediatek,mt8183-mtu3", "mediatek,mtu3";
> +			reg = <0 0x11201000 0 0x2e00>,
> +			      <0 0x11203e00 0 0x0100>;
> +			reg-names = "mac", "ippc";
> +			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_LOW>;
> +			phys = <&u2port0 PHY_TYPE_USB2>,
> +			       <&u3port0 PHY_TYPE_USB3>;
> +			clocks = <&infracfg CLK_INFRA_UNIPRO_SCK>,
> +				 <&infracfg CLK_INFRA_USB>;
> +			clock-names = "sys_ck", "ref_ck";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			status = "disabled";
> +
> +			usb_host: xhci@...00000 {
> +				compatible = "mediatek,mt8183-xhci",
> +					     "mediatek,mtk-xhci";
> +				reg = <0 0x11200000 0 0x1000>;
> +				reg-names = "mac";
> +				interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_LOW>;
> +				clocks = <&infracfg CLK_INFRA_UNIPRO_SCK>,
> +					 <&infracfg CLK_INFRA_USB>;
> +				clock-names = "sys_ck", "ref_ck";
> +				status = "disabled";
> +			};
> +		};
> +
>  		audiosys: syscon@...20000 {
>  			compatible = "mediatek,mt8183-audiosys", "syscon";
>  			reg = <0 0x11220000 0 0x1000>;
> @@ -384,6 +414,31 @@
>  			reg = <0 0x11f10000 0 0x1000>;
>  		};
>  
> +		u3phy: usb-phy@...40000 {
> +			compatible = "mediatek,mt8183-tphy",
> +				     "mediatek,generic-tphy-v2";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges = <0 0 0x11f40000 0x1000>;
> +			status = "okay";
> +
> +			u2port0: usb-phy@0 {
> +				reg = <0x0 0x700>;
> +				clocks = <&clk26m>;
> +				clock-names = "ref";
> +				#phy-cells = <1>;
> +				status = "okay";
> +			};
> +
> +			u3port0: usb-phy@...0 {
> +				reg = <0x0700 0x900>;
> +				clocks = <&clk26m>;
> +				clock-names = "ref";
> +				#phy-cells = <1>;
> +				status = "okay";
> +			};
> +		};
> +
>  		mfgcfg: syscon@...00000 {
>  			compatible = "mediatek,mt8183-mfgcfg", "syscon";
>  			reg = <0 0x13000000 0 0x1000>;
> 

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