Hi,
On 3/18/2018 6:19 PM, Rob Herring wrote: > On Tue, Mar 13, 2018 at 04:06:00PM +0530, Manu Gautam wrote: >> Existing documentation has lot of incorrect information as it >> was originally added for a driver that no longer exists. >> >> Signed-off-by: Manu Gautam <mgau...@codeaurora.org> >> --- >> .../devicetree/bindings/usb/qcom,dwc3.txt | 87 >> +++++++++++++++------- >> 1 file changed, 59 insertions(+), 28 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.txt >> b/Documentation/devicetree/bindings/usb/qcom,dwc3.txt >> index bc8a2fa..df312f7 100644 >> --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.txt >> +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.txt >> @@ -1,54 +1,85 @@ >> Qualcomm SuperSpeed DWC3 USB SoC controller >> >> Required properties: >> -- compatible: should contain "qcom,dwc3" >> -- clocks: A list of phandle + clock-specifier pairs for the >> - clocks listed in clock-names >> -- clock-names: Should contain the following: >> - "core" Master/Core clock, have to be >= 125 MHz for SS >> - operation and >= 60MHz for HS operation >> - >> -Optional clocks: >> - "iface" System bus AXI clock. Not present on all platforms >> - "sleep" Sleep clock, used when USB3 core goes into low >> - power mode (U3). >> +- compatible: should contain "qcom,dwc3" >> +- reg: offset and length of register set for QSCRATCH >> wrapper >> +- reg-names: should be "qscratch" > reg-names is pointless for a single range. Ok. Will change this. > >> +- power-domains: specifies a phandle to PM domain provider node >> +- clocks: list of phandle + clock-specifier pairs > How many clocks and what are they? I will add description of the clocks in next version of patchset. > >> +- assigned-clocks: should be: >> + MOCK_UTMI_CLK >> + MASTER_CLK >> +- assigned-clock-rates: should be: >> + 19.2Mhz (192000000) for MOCK_UTMI_CLK >> + >=125Mhz (125000000) for MASTER_CLK in SS >> mode >> + >=60Mhz (60000000) for MASTER_CLK in HS mode >> + >> +Optional properties: >> +- resets: list of phandle and reset specifier pairs >> +- interrupts: specifies interrupts from controller wrapper >> used >> + to wakeup from low power/susepnd state. Must contain >> + one or more entry for interrupt-names property >> +- interrupt-names: Must include the following entries: >> + - "hs_phy_irq": The interrupt that is asserted when a >> + wakeup event is received on USB2 bus >> + - "ss_phy_irq": The interrupt that is asserted when a >> + wakeup event is received on USB3 bus >> + - "dm_hs_phy_irq" and "dp_hs_phy_irq": Separate >> + interrupts for any wakeup event on DM and DP lines >> +- qcom,select-utmi-as-pipe-clk: if present, disable USB3 pipe_clk >> requirement. >> + Used when dwc3 operates without SSPHY and only >> + HS/FS/LS modes are supported. >> >> Required child node: >> A child node must exist to represent the core DWC3 IP block. The name of >> the node is not important. The content of the node is defined in dwc3.txt. >> >> Phy documentation is provided in the following places: >> -Documentation/devicetree/bindings/phy/qcom-dwc3-usb-phy.txt >> +Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt - USB3 QMP PHY >> +Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt - USB2 QUSB2 PHY -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
