diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch b/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch new file mode 100644 index 0000000000..981d71f7ab --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch @@ -0,0 +1,75 @@ +From 84d37aeef94deae3ce87e677f6016a5d980429e8 Mon Sep 17 00:00:00 2001 +From: "chunfeng.yun@mediatek.com" <chunfeng.yun@mediatek.com> +Date: Tue, 17 Nov 2015 17:18:39 +0800 +Subject: [PATCH 18/53] dt-bindings: Add a binding for Mediatek xHCI host + controller + +add a DT binding documentation of xHCI host controller for the +MT8173 SoC from Mediatek. + +Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> +--- + .../devicetree/bindings/usb/mt8173-xhci.txt | 51 ++++++++++++++++++++ + 1 file changed, 51 insertions(+) + create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt + +diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt +new file mode 100644 +index 0000000..a78f20b +--- /dev/null ++++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt +@@ -0,0 +1,51 @@ ++MT8173 xHCI ++ ++The device node for Mediatek SOC USB3.0 host controller ++ ++Required properties: ++ - compatible : should contain "mediatek,mt8173-xhci" ++ - reg : specifies physical base address and size of the registers, ++ the first one for MAC, the second for IPPC ++ - interrupts : interrupt used by the controller ++ - power-domains : a phandle to USB power domain node to control USB's ++ mtcmos ++ - vusb33-supply : regulator of USB avdd3.3v ++ ++ - clocks : a list of phandle + clock-specifier pairs, one for each ++ entry in clock-names ++ - clock-names : must contain ++ "sys_ck": for clock of xHCI MAC ++ "wakeup_deb_p0": for USB wakeup debounce clock of port0 ++ "wakeup_deb_p0": for USB wakeup debounce clock of port1 ++ ++ - phys : a list of phandle + phy specifier pairs ++ ++Optional properties: ++ - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup ++ mode; ++ - mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup ++ control register, it depends on "mediatek,wakeup-src". ++ - vbus-supply : reference to the VBUS regulator; ++ - usb3-lpm-capable : supports USB3.0 LPM ++ ++Example: ++usb30: usb@11270000 { ++ compatible = "mediatek,mt8173-xhci"; ++ reg = <0 0x11270000 0 0x1000>, ++ <0 0x11280700 0 0x0100>; ++ interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>; ++ power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>; ++ clocks = <&topckgen CLK_TOP_USB30_SEL>, ++ <&pericfg CLK_PERI_USB0>, ++ <&pericfg CLK_PERI_USB1>; ++ clock-names = "sys_ck", ++ "wakeup_deb_p0", ++ "wakeup_deb_p1"; ++ phys = <&phy_port0 PHY_TYPE_USB3>, ++ <&phy_port1 PHY_TYPE_USB2>; ++ vusb33-supply = <&mt6397_vusb_reg>; ++ vbus-supply = <&usb_p1_vbus>; ++ usb3-lpm-capable; ++ mediatek,syscon-wakeup = <&pericfg>; ++ mediatek,wakeup-src = <1>; ++}; +-- +1.7.10.4 + |