diff options
Diffstat (limited to 'target/linux/gemini/patches-4.14/0027-usb-host-add-DT-bindings-for-faraday-fotg2.patch')
| -rw-r--r-- | target/linux/gemini/patches-4.14/0027-usb-host-add-DT-bindings-for-faraday-fotg2.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/gemini/patches-4.14/0027-usb-host-add-DT-bindings-for-faraday-fotg2.patch b/target/linux/gemini/patches-4.14/0027-usb-host-add-DT-bindings-for-faraday-fotg2.patch new file mode 100644 index 0000000000..e677c38438 --- /dev/null +++ b/target/linux/gemini/patches-4.14/0027-usb-host-add-DT-bindings-for-faraday-fotg2.patch @@ -0,0 +1,65 @@ +From 3699f119ff8da021fe7a1759e98e38ca88fa6766 Mon Sep 17 00:00:00 2001 +From: Hans Ulli Kroll <ulli.kroll@googlemail.com> +Date: Wed, 8 Feb 2017 21:00:09 +0100 +Subject: [PATCH 27/31] usb: host: add DT bindings for faraday fotg2 + +This adds device tree bindings for the Faraday FOTG2 +dual-mode host controller. + +Cc: devicetree@vger.kernel.org +Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com> +Signed-off-by: Linus Walleij <linus.walleij@linaro.org> +--- +ChangeLog v1->v3: +- Change compatible to "faraday,fotg210" as the name of the + hardware block. +- Add an elaborate SoC-specific compatible string for the + Cortina Systems Gemini so that SoC-specific features can + be enabled. +- Add cortina,gemini-mini-b to indicate a Gemini PHY with + a Mini-B adapter connected. +- Indicated that the Gemini version can handle "wakeup-source". +- Add optional IP block clock. +--- + .../devicetree/bindings/usb/faraday,fotg210.txt | 35 ++++++++++++++++++++++ + 1 file changed, 35 insertions(+) + create mode 100644 Documentation/devicetree/bindings/usb/faraday,fotg210.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/usb/faraday,fotg210.txt +@@ -0,0 +1,35 @@ ++Faraday FOTG Host controller ++ ++This OTG-capable USB host controller is found in Cortina Systems ++Gemini and other SoC products. ++ ++Required properties: ++- compatible: should be one of: ++ "faraday,fotg210" ++ "cortina,gemini-usb", "faraday,fotg210" ++- reg: should contain one register range i.e. start and length ++- interrupts: description of the interrupt line ++ ++Optional properties: ++- clocks: should contain the IP block clock ++- clock-names: should be "PCLK" for the IP block clock ++ ++Required properties for "cortina,gemini-usb" compatible: ++- syscon: a phandle to the system controller to access PHY registers ++ ++Optional properties for "cortina,gemini-usb" compatible: ++- cortina,gemini-mini-b: boolean property that indicates that a Mini-B ++ OTH connector is in use ++- wakeup-source: see power/wakeup-source.txt ++ ++Example for Gemini: ++ ++usb@68000000 { ++ compatible = "cortina,gemini-usb", "faraday,fotg210"; ++ reg = <0x68000000 0x1000>; ++ interrupts = <10 IRQ_TYPE_LEVEL_HIGH>; ++ clocks = <&cc 12>; ++ clock-names = "PCLK"; ++ syscon = <&syscon>; ++ wakeup-source; ++}; |