hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ARM: dts: Turn on USB host vbus on rk3288-evb 

There is no phy driver that works on the Rockchip board for either USB
host port yet.  For now just hardcode the vbus signal to be on all the
time which makes both the dwc2 host and the EHCI port work.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Doug Anderson 2014-07-30 13:00:10 -07:00 committed by Heiko Stuebner
parent b1db66b818
commit 83a742b431
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
arch/arm/boot/dts/rk3288-evb.dtsi
View File

@ -35,6 +35,18 @@
debounce-interval = <100>;
};
};
/* This turns on USB vbus for both host0 (ehci) and host1 (dwc2) */
vcc_host: vcc-host-regulator {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&host_vbus_drv>;
regulator-name = "vcc_host";
regulator-always-on;
regulator-boot-on;
};
};
&i2c0 {
@ -71,4 +83,10 @@
rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
usb {
host_vbus_drv: host-vbus-drv {
rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};