diff options
author | Masanori Ogino <mogino@acm.org> | 2024-08-16 09:02:22 +0000 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-08-22 17:24:56 +0800 |
commit | fe592c86fe9c3686d5e93515ebf4823a9fb5757e (patch) | |
tree | cbd6829b7a87440d68588cba10cb3de0fcb85826 | |
parent | a7bb96b18864225a694e3887ac2733159489e4b0 (diff) |
Documentation: msm-hsusb.txt: remove
Commit a170a1e9ccc5 ("usb: phy: remove phy-msm-usb.c") removed the
device driver but left the corresponding documentation, delete it.
Signed-off-by: Masanori Ogino <mogino@acm.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240816090105.13651-2-omasanori@proton.me
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | Documentation/devicetree/bindings/usb/msm-hsusb.txt | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt deleted file mode 100644 index afc30e98b123..000000000000 --- a/Documentation/devicetree/bindings/usb/msm-hsusb.txt +++ /dev/null @@ -1,110 +0,0 @@ -MSM SoC HSUSB controllers - -EHCI - -Required properties: -- compatible: Should contain "qcom,ehci-host" -- regs: offset and length of the register set in the memory map -- usb-phy: phandle for the PHY device - -Example EHCI controller device node: - - ehci: ehci@f9a55000 { - compatible = "qcom,ehci-host"; - reg = <0xf9a55000 0x400>; - usb-phy = <&usb_otg>; - }; - -USB PHY with optional OTG: - -Required properties: -- compatible: Should contain: - "qcom,usb-otg-ci" for chipsets with ChipIdea 45nm PHY - "qcom,usb-otg-snps" for chipsets with Synopsys 28nm PHY - -- regs: Offset and length of the register set in the memory map -- interrupts: interrupt-specifier for the OTG interrupt. - -- clocks: A list of phandle + clock-specifier pairs for the - clocks listed in clock-names -- clock-names: Should contain the following: - "phy" USB PHY reference clock - "core" Protocol engine clock - "iface" Interface bus clock - "alt_core" Protocol engine clock for targets with asynchronous - reset methodology. (optional) - -- vdccx-supply: phandle to the regulator for the vdd supply for - digital circuit operation. -- v1p8-supply: phandle to the regulator for the 1.8V supply -- v3p3-supply: phandle to the regulator for the 3.3V supply - -- resets: A list of phandle + reset-specifier pairs for the - resets listed in reset-names -- reset-names: Should contain the following: - "phy" USB PHY controller reset - "link" USB LINK controller reset - -- qcom,otg-control: OTG control (VBUS and ID notifications) can be one of - 1 - PHY control - 2 - PMIC control - -Optional properties: -- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg" - -- switch-gpio: A phandle + gpio-specifier pair. Some boards are using Dual - SPDT USB Switch, witch is controlled by GPIO to de/multiplex - D+/D- USB lines between connectors. - -- qcom,phy-init-sequence: PHY configuration sequence values. This is related to Device - Mode Eye Diagram test. Start address at which these values will be - written is ULPI_EXT_VENDOR_SPECIFIC. Value of -1 is reserved as - "do not overwrite default value at this address". - For example: qcom,phy-init-sequence = < -1 0x63 >; - Will update only value at address ULPI_EXT_VENDOR_SPECIFIC + 1. - -- qcom,phy-num: Select number of pyco-phy to use, can be one of - 0 - PHY one, default - 1 - Second PHY - Some platforms may have configuration to allow USB - controller work with any of the two HSPHYs present. - -- qcom,vdd-levels: This property must be a list of three integer values - (no, min, max) where each value represents either a voltage - in microvolts or a value corresponding to voltage corner. - -- qcom,manual-pullup: If present, vbus is not routed to USB controller/phy - and controller driver therefore enables pull-up explicitly - before starting controller using usbcmd run/stop bit. - -- extcon: phandles to external connector devices. First phandle - should point to external connector, which provide "USB" - cable events, the second should point to external connector - device, which provide "USB-HOST" cable events. If one of - the external connector devices is not required empty <0> - phandle should be specified. - -Example HSUSB OTG controller device node: - - usb@f9a55000 { - compatible = "qcom,usb-otg-snps"; - reg = <0xf9a55000 0x400>; - interrupts = <0 134 0>; - dr_mode = "peripheral"; - - clocks = <&gcc GCC_XO_CLK>, <&gcc GCC_USB_HS_SYSTEM_CLK>, - <&gcc GCC_USB_HS_AHB_CLK>; - - clock-names = "phy", "core", "iface"; - - vddcx-supply = <&pm8841_s2_corner>; - v1p8-supply = <&pm8941_l6>; - v3p3-supply = <&pm8941_l24>; - - resets = <&gcc GCC_USB2A_PHY_BCR>, <&gcc GCC_USB_HS_BCR>; - reset-names = "phy", "link"; - - qcom,otg-control = <1>; - qcom,phy-init-sequence = < -1 0x63 >; - qcom,vdd-levels = <1 5 7>; - }; |