[PATCH 03/10] dt-bindings: misc: Add bindings for HiSilicon usb hub and data role switch functionality on HiKey960
From: Yu Chen <chenyu56@huawei.com>
Date: 2018-10-27 10:00:54
Also in:
linux-usb, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds binding documentation to support usb hub and usb data role switch of Hisilicon HiKey&HiKey960 Board. Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: John Stultz <redacted> Cc: Binghui Wang <wangbinghui@hisilicon.com> Signed-off-by: Yu Chen <chenyu56@huawei.com> --- .../bindings/misc/hisilicon-hikey-usb.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt
new file mode 100644
index 000000000000..f94e990362c9
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.txt@@ -0,0 +1,24 @@ +Support usb hub and usb data role switch of Hisilicon HiKey&HiKey960 Board. + +----------------------------- + +Required properties: +- compatible: "hisilicon,gpio_hubv1","hisilicon,hikey960_usb" +- typc_vbus_int_gpio,typec-gpios: gpio to control the vbus of typeC port +- typc_vbus_enable_val: gpio value that enable the vbus of typeC port +- otg_gpio: gpio to switch DP&DM between the hub and typeC port +- hub_vdd33_en_gpio: gpio to enable the power of hub +- pinctrl-0: pinctrl config + +Example +----- + + hisi_hikey_usb: hisi_hikey_usb { + compatible = "hisilicon,hikey960_usb"; + typc_vbus_int_gpio,typec-gpios = <&gpio25 2 0>; + typc_vbus_enable_val = <1>; + otg_gpio = <&gpio25 6 0>; + hub_vdd33_en_gpio = <&gpio5 6 0>; + pinctrl-names = "default"; + pinctrl-0 = <&usbhub5734_pmx_func>; + };
--
2.15.0-rc2