Re: [PATCH v9 4/4] arm64: dts: rockchip: configure usb2-phy support for rk3399-evb
From: Heiko Stübner
Date: Wed Aug 17 2016 - 06:02:47 EST
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@xxxxxxxxxxxxxx>
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>;
> + };
> + };
> };