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-rw-r--r--Documentation/devicetree/bindings/usb/mt8173-xhci.txt14
1 files changed, 8 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
index 2a930bd52b94..0acfc8acbea1 100644
--- a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
@@ -23,6 +23,7 @@ Required properties:
entry in clock-names
- clock-names : must contain
"sys_ck": for clock of xHCI MAC
+ "ref_ck": for reference clock of xHCI MAC
"wakeup_deb_p0": for USB wakeup debounce clock of port0
"wakeup_deb_p1": for USB wakeup debounce clock of port1
@@ -37,7 +38,7 @@ Optional properties:
- usb3-lpm-capable : supports USB3.0 LPM
- pinctrl-names : a pinctrl state named "default" must be defined
- pinctrl-0 : pin control group
- See: Documentation/devicetree/bindings/pinctrl/pinctrl-binding.txt
+ See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
Example:
usb30: usb@11270000 {
@@ -47,10 +48,10 @@ usb30: usb@11270000 {
reg-names = "mac", "ippc";
interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
- clocks = <&topckgen CLK_TOP_USB30_SEL>,
+ clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>,
<&pericfg CLK_PERI_USB0>,
<&pericfg CLK_PERI_USB1>;
- clock-names = "sys_ck",
+ clock-names = "sys_ck", "ref_ck",
"wakeup_deb_p0",
"wakeup_deb_p1";
phys = <&phy_port0 PHY_TYPE_USB3>,
@@ -67,7 +68,7 @@ usb30: usb@11270000 {
In the case, xhci is added as subnode to mtu3. An example and the DT binding
details of mtu3 can be found in:
-Documentation/devicetree/bindings/usb/mtu3.txt
+Documentation/devicetree/bindings/usb/mt8173-mtu3.txt
Required properties:
- compatible : should contain "mediatek,mt8173-xhci"
@@ -82,6 +83,7 @@ Required properties:
entry in clock-names
- clock-names : must be
"sys_ck": for clock of xHCI MAC
+ "ref_ck": for reference clock of xHCI MAC
Optional properties:
- vbus-supply : reference to the VBUS regulator;
@@ -94,8 +96,8 @@ usb30: usb@11270000 {
reg-names = "mac";
interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
- clocks = <&topckgen CLK_TOP_USB30_SEL>;
- clock-names = "sys_ck";
+ clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
+ clock-names = "sys_ck", "ref_ck";
vusb33-supply = <&mt6397_vusb_reg>;
usb3-lpm-capable;
};
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