linux-kernel - Re: [PATCH v9 4/4] arm64: dts: rockchip: configure usb2-phy support for rk3399-evb

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Date:	Wed, 17 Aug 2016 12:02:19 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Frank Wang <frank.wang@...k-chips.com>
Cc:	dianders@...omium.org, linux@...ck-us.net, groeck@...omium.org,
	jwerner@...omium.org, kishon@...com, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	xzy.xu@...k-chips.com, kever.yang@...k-chips.com,
	huangtao@...k-chips.com, william.wu@...k-chips.com,
	daniel.meng@...k-chips.com
Subject: Re: [PATCH v9 4/4] arm64: dts: rockchip: configure usb2-phy support for rk3399-evb

Am Freitag, 22. Juli 2016, 15:00:46 schrieb Frank Wang:
> Add vcc5v0_host regulator for usb2-phy and enable host-port support.
> 
> Signed-off-by: Frank Wang <frank.wang@...k-chips.com>

applied to ny dts64 branch [0] with some changes:

- the pin is named vcc5v0_host_en not host_vbus_drv in the schematics
  please always try to use the names from the schematics
- separated the enablement of the subnodes


Heiko

[0] https://git.kernel.org/cgit/linux/kernel/git/mmind/linux-rockchip.git/commit/?id=1d3bc1d6c9c4658d554bcf89a71b35a6783a5b4e


> ---
>  arch/arm64/boot/dts/rockchip/rk3399-evb.dts |   44
> +++++++++++++++++++++++++++ 1 file changed, 44 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
> b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts index 1a3eb14..56aeedb 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
> @@ -69,6 +69,25 @@
>  		regulator-max-microvolt = <3300000>;
>  	};
> 
> +	vcc5v0_sys: vcc5v0-sys {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc5v0_sys";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +	};
> +
> +	vcc5v0_host: vcc5v0-host-regulator {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&host_vbus_drv>;
> +		regulator-name = "vcc5v0_host";
> +		vin-supply = <&vcc5v0_sys>;
> +	};
> +
>  	vcc_phy: vcc-phy-regulator {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vcc_phy";
> @@ -89,6 +108,24 @@
>  	status = "okay";
>  };
> 
> +&u2phy0 {
> +	status = "okay";
> +
> +	u2phy0_host: host-port {
> +		phy-supply = <&vcc5v0_host>;
> +		status = "okay";
> +	};
> +};
> +
> +&u2phy1 {
> +	status = "okay";
> +
> +	u2phy1_host: host-port {
> +		phy-supply = <&vcc5v0_host>;
> +		status = "okay";
> +	};
> +};
> +
>  &uart2 {
>  	status = "okay";
>  };
> @@ -121,4 +158,11 @@
>  				<1 18 RK_FUNC_GPIO &pcfg_pull_down>;
>  		};
>  	};
> +
> +	usb2 {
> +		host_vbus_drv: host-vbus-drv {
> +			rockchip,pins =
> +				<4 25 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +	};
>  };