linux-kernel - Re: [PATCH AUTOSEL 5.4 02/24] arm64: dts: meson-axg: add USB nodes

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Message-ID: <454088be-6ff1-4fae-e0e3-a26211001d20@baylibre.com>
Date:   Tue, 3 Nov 2020 09:55:31 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Cc:     Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH AUTOSEL 5.4 02/24] arm64: dts: meson-axg: add USB nodes

On 03/11/2020 02:19, Sasha Levin wrote:
> From: Neil Armstrong <narmstrong@...libre.com>
> 
> [ Upstream commit 1b208bab34dc3f4ef8f408105017d4a7b72b2a2f ]
> 
> This adds the USB Glue node, with the USB2 & USB3 controllers along the single
> USB2 PHY node.
> 
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> Reviewed-by: Kevin Hilman <khilman@...libre.com>
> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Signed-off-by: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 50 ++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> index 502c4ac45c29e..af1c50428eb7e 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> @@ -170,6 +170,46 @@ soc {
>  		#size-cells = <2>;
>  		ranges;
>  
> +		usb: usb@...09080 {
> +			compatible = "amlogic,meson-axg-usb-ctrl";
> +			reg = <0x0 0xffe09080 0x0 0x20>;
> +			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB1_DDR_BRIDGE>;
> +			clock-names = "usb_ctrl", "ddr";
> +			resets = <&reset RESET_USB_OTG>;
> +
> +			dr_mode = "otg";
> +
> +			phys = <&usb2_phy1>;
> +			phy-names = "usb2-phy1";
> +
> +			dwc2: usb@...00000 {
> +				compatible = "amlogic,meson-g12a-usb", "snps,dwc2";
> +				reg = <0x0 0xff400000 0x0 0x40000>;
> +				interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clkc CLKID_USB1>;
> +				clock-names = "otg";
> +				phys = <&usb2_phy1>;
> +				dr_mode = "peripheral";
> +				g-rx-fifo-size = <192>;
> +				g-np-tx-fifo-size = <128>;
> +				g-tx-fifo-size = <128 128 16 16 16>;
> +			};
> +
> +			dwc3: usb@...00000 {
> +				compatible = "snps,dwc3";
> +				reg = <0x0 0xff500000 0x0 0x100000>;
> +				interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
> +				dr_mode = "host";
> +				maximum-speed = "high-speed";
> +				snps,dis_u2_susphy_quirk;
> +			};
> +		};
> +
>  		ethmac: ethernet@...f0000 {
>  			compatible = "amlogic,meson-axg-dwmac",
>  				     "snps,dwmac-3.70a",
> @@ -1725,6 +1765,16 @@ sd_emmc_c: mmc@...0 {
>  				clock-names = "core", "clkin0", "clkin1";
>  				resets = <&reset RESET_SD_EMMC_C>;
>  			};
> +
> +			usb2_phy1: phy@...0 {
> +				compatible = "amlogic,meson-gxl-usb2-phy";
> +				#phy-cells = <0>;
> +				reg = <0x0 0x9020 0x0 0x20>;
> +				clocks = <&clkc CLKID_USB>;
> +				clock-names = "phy";
> +				resets = <&reset RESET_USB_OTG>;
> +				reset-names = "phy";
> +			};
>  		};
>  
>  		sram: sram@...c0000 {
> 


Hi Sasha,

This needs also support in the dwc3-meson-g12a driver, you can drop it from backport.

Neil