diff options
author | Konstantin Porotchkin <kostap@marvell.com> | 2017-02-12 09:10:30 (GMT) |
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committer | Stefan Roese <sr@denx.de> | 2017-03-23 07:45:25 (GMT) |
commit | 81192b79661cf2763abecbf3c3b673142ef4a2cd (patch) | |
tree | 381d2a6514aa235eacebcb57ac286143c787baf5 /doc/device-tree-bindings | |
parent | c10636344cc666158486d1cf75e592f2fdc69a6e (diff) | |
download | u-boot-81192b79661cf2763abecbf3c3b673142ef4a2cd.tar.xz |
mvebu: usb: xhci: Add VBUS regulator supply to the host driver
The USB device should linked to VBUS regulator through "vbus-supply"
DTS property.
This patch adds handling for "vbus-supply" property inside the USB
device entry for turning on the VBUS regulator upon the host adapter probe.
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Neta Zur Hershkovits <neta@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'doc/device-tree-bindings')
-rw-r--r-- | doc/device-tree-bindings/usb/marvell.xhci-usb.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/usb/marvell.xhci-usb.txt b/doc/device-tree-bindings/usb/marvell.xhci-usb.txt new file mode 100644 index 0000000..e042d1b --- /dev/null +++ b/doc/device-tree-bindings/usb/marvell.xhci-usb.txt @@ -0,0 +1,28 @@ +Marvell SOC USB controllers + +This controller is integrated in Armada 3700/8K. +It uses the same properties as a generic XHCI host controller + +Required properties : + - compatible: should be one or more of: + - "marvell,armada3700-xhci", "generic-xhci" for Armada 37xx SoCs + - "marvell,armada-8k-xhci", "generic-xhci" for Armada A8K SoCs + - reg: should contain address and length of the standard XHCI + register set for the device. + - interrupts: one XHCI interrupt should be described here. + +Optional properties: + - clocks: phandle to system controller clock driving this unit + - vbus-supply : If present, specifies the fixed regulator to be turned on + for providing power to the USB VBUS rail. + +Example: + cpm_usb3_0: usb3@500000 { + compatible = "marvell,armada-8k-xhci", + "generic-xhci"; + reg = <0x500000 0x4000>; + interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpm_syscon0 1 22>; + vbus-supply = <®_usb3h0_vbus>; + status = "disabled"; + }; |