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dt-bindings: usb: dwc2: remove legacy document for rockchip usb
Change-Id: I5afc660fdc77cc882ce083ccbc763ef137d95f41 Signed-off-by: William Wu <william.wu@rock-chips.com>
This commit is contained in:
William Wu
@@ -1,273 +0,0 @@
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Rockchip SoC USB controller
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The USB devices interface with USB controllers on Rockchip SOCs.
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The device node has following properties.
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DWC_OTG OTG20
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Required properties:
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- compatible : Should be "rockchip,rk3188_usb20_otg" or
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"rockchip,rk3288_usb20_otg" and so on, depending upon the SoC.
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- reg : Physical base address of the controller and
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length of memory mapped region.
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- interrupts : interrupt number to the cpu.
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- clocks : Clock IDs array as required by the controller.
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- clock-names : Names of clock correseponding IDs clock
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property as requested by the controller driver.
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- rockchip,usb-mode : This signifies the otg controller mode.
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"0" represents that otg supports both host and slave mode,
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"1" represents that force otg to host only mode,
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"2" represents that force otg to device only mode.
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Optional properties:
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- rockchip,usb-pmic-vbus: If present, OTG VBUS 5V is supplied
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from PMIC.
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- rockchip,hc-halt-quirk: when set, force to halt a host channel
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even if it's used for a non-split periodic transfer.
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- rockchip,high-bandwidth: If present, support high bandwidth
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endpoints.
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- rockchip,usb-pd-off: when set, support turning off usb pd at
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PM suspend.
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Example:
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- RK3288
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usb0: usb@ff580000 {
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compatible = "rockchip,rk3288_usb20_otg";
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reg = <0xff580000 0x40000>;
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interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clk_gates13 4>, <&clk_gates7 4>;
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clock-names = "clk_usbphy0", "hclk_usb0";
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/*0 - Normal, 1 - Force Host, 2 - Force Device*/
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rockchip,usb-mode = <0>;
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};
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DWC_OTG HOST20
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Required properties:
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- compatible : Should be "rockchip,rk3188_usb20_host" or
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"rockchip,rk3288_usb20_host" and so on, depending upon the SoC.
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- reg : Physical base address of the controller and
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length of memory mapped region.
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- interrupts : Interrupt number to the cpu.
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- clocks : Clock IDs array as required by the controller.
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- clock-names : Names of clock correseponding IDs clock
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property as requested by the controller driver.
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Example:
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- RK3288
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usb1: usb@ff540000 {
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compatible = "rockchip,rk3288_usb20_host";
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reg = <0xff540000 0x40000>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clk_gates13 6>, <&clk_gates7 7>,
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<&usbphy_480m>;
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clock-names = "clk_usbphy1", "hclk_usb1",
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"usbphy_480m";
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};
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EHCI
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Required properties:
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- compatible : Should be "rockchip,rk3188_rk_ehci_host" or
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"rockchip,rk3288_rk_ehci_host" and so on, for USB 2.0 EHCI
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controller in host mode, depending upon the SoC.
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- reg : Physical base address of the controller and
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length of memory mapped region.
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- interrupts : Interrupt number to the cpu.
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- clocks : Clock IDs array as required by the controller.
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- clock-names : Names of clock correseponding IDs clock
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property as requested by the controller driver.
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Example:
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- RK3288
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usb2: usb@ff500000 {
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compatible = "rockchip,rk3288_rk_ehci_host";
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reg = <0xff500000 0x20000>;
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interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clk_gates13 5>, <&clk_gates7 6>;
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clock-names = "clk_usbphy2", "hclk_usb2";
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};
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OHCI
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Required properties:
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- compatible : Should be "rockchip,rk3188_rk_ohci_host" or
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"rockchip,rk3288_rk_ohci_host" and so on, for USB 2.0 OHCI
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companion controller in host mode, depending upon the SoC.
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- reg : Physical base address of the controller and
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length of memory mapped region.
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- interrupts : Interrupt number to the cpu.
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- clocks : Clock IDs array as required by the controller.
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- clock-names : Names of clock correseponding IDs clock
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property as requested by the controller driver.
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Example:
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- RK3288
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usb3: usb@ff520000 {
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compatible = "rockchip,rk3288_rk_ohci_host";
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reg = <0xff520000 0x20000>;
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interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clk_gates13 5>, <&clk_gates7 6>;
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clock-names = "clk_usbphy3", "hclk_usb3";
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};
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EHCI1
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Required properties:
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- compatible : Should be "rockchip,rk3188_rk_ehci_host" or
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"rockchip,rk3288_rk_ehci1_host" and so on, depending upon
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the SoC.
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- reg : Physical base address of the controller and
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length of memory mapped region.
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- interrupts : Interrupt number to the cpu.
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- clocks : Clock IDs array as required by the controller.
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- clock-names : Names of clock correseponding IDs clock
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property as requested by the controller driver.
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Example:
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- RK3288
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usb4: usb@ff5c0000 {
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compatible = "rockchip,rk3288_rk_ehci1_host";
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reg = <0xff5c0000 0x40000>;
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interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&ehci1phy_480m>, <&clk_gates7 8>,
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<&ehci1phy_12m>, <&usbphy_480m>,
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<&otgphy1_480m>, <&otgphy2_480m>;
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clock-names = "ehci1phy_480m", "hclk_ehci1",
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"ehci1phy_12m", "usbphy_480m",
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"ehci1_usbphy1", "ehci1_usbphy2";
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};
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ROCKCHIP USB-PHY CONTROL
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Required properties:
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- compatible : Should be "rockchip,rk3188-dwc-control-usb"
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or "rockchip,rk3288-dwc-control-usb" and so on, depending
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upon the SoC.
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- reg : Physical base address of USB-PHY GRF registers.
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It contains the address of "GRF_SOC_STATUSX" and
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"GRF_UOCX_BASE" depending upon the number of usb controllers
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that the SoC has.
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- reg-names : The names of the register addresses corresponding
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to the registers filled in "reg".
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- interrupts : Interrupt number to the cpu.
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- interrupt-names : The names of the interrupts corresponding
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to the registers filled in "interrupts".
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- clocks : Clock IDs array as required by the controller.
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- clock-names : Names of clock correseponding IDs clock
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property as requested by the controller driver.
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Child nodes:
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The child node 'usb_bc' to the node 'dwc_control_usb' is for
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USB Battery Charging detect. It is used to differentiate the
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Charging Port(i.e. CDP, DCP or SDP).
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Required properties:
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- compatible : Should be "synopsys,phy", "inno,phy" or
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"rockchip,ctrl" depending upon the vendor of usb phy
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that the SoC used.
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Optional properties:
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The following properties represent the control and status
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registers of usb otg battery charging. All these properties
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are of type <u32>. Each property contains three tuples.
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The layout of each tuple is:
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offset, start bit, and bitmask.
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- rk_usb,bvalid
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- rk_usb,dcdenb
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- rk_usb,dcdenb
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- rk_usb,vdatdetenb
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- rk_usb,chrgsel
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- rk_usb,chgdet
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- rk_usb,fsvminus
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- rk_usb,fsvplus
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- rk_usb,line
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- rk_usb,softctrl
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- rk_usb,opmode
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- rk_usb,xcvrsel
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- rk_usb,termsel
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The child node 'usb_uart' to the node 'dwc_control_usb' is for
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the usb uart debug function.
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Required propertie:
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- status : If be "ok" or "okay" will enable the usb-uart debug
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function and bypass UART2 to USB OTG io port.
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Example:
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- RK3288
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dwc_control_usb: dwc-control-usb@ff770284 {
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compatible = "rockchip,rk3288-dwc-control-usb";
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reg = <0xff770284 0x04>, <0xff770288 0x04>,
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<0xff7702cc 0x04>, <0xff7702d4 0x04>,
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<0xff770320 0x14>, <0xff770334 0x14>,
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<0xff770348 0x10>, <0xff770358 0x08>,
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<0xff770360 0x08>;
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reg-names = "GRF_SOC_STATUS1" ,"GRF_SOC_STATUS2",
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"GRF_SOC_STATUS19", "GRF_SOC_STATUS21",
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"GRF_UOC0_BASE", "GRF_UOC1_BASE",
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"GRF_UOC2_BASE", "GRF_UOC3_BASE",
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"GRF_UOC4_BASE";
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interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "otg_id",
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"otg_bvalid",
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"otg_linestate",
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"host0_linestate",
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"host1_linestate";
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clocks = <&clk_gates7 9>, <&usbphy_480m>,
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<&otgphy1_480m>, <&otgphy2_480m>;
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clock-names = "hclk_usb_peri", "usbphy_480m",
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"usbphy1_480m", "usbphy2_480m";
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usb_bc{
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compatible = "synopsys,phy";
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/* offset bit mask */
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rk_usb,bvalid = <0x288 14 1>;
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rk_usb,dcdenb = <0x328 14 1>;
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rk_usb,vdatsrcenb = <0x328 7 1>;
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rk_usb,vdatdetenb = <0x328 6 1>;
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rk_usb,chrgsel = <0x328 5 1>;
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rk_usb,chgdet = <0x2cc 23 1>;
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rk_usb,fsvminus = <0x2cc 25 1>;
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rk_usb,fsvplus = <0x2cc 24 1>;
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};
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usb_uart {
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status = "okay";
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};
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};
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ROCKCHIP USB-COMMON CONTROL
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Required properties:
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- compatible : Should be "rockchip,rk3188-usb-control" or
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"rockchip,rk3288-usb-control" and so on, depending upon
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the SoC.
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Optional properties:
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- host_drv_gpio : If present, specifies the GPIO that needs
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to be pulled up for the host bus to be powered.
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- otg_drv_gpio : If present, specifies the GPIO that needs
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to be pulled up for the otg bus to be powered.
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- rockchip,remote_wakeup : If present, host can be resumed
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from suspend state by remote wakeup signal.
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- rockchip,usb_irq_wakeup : If present, supports usb irqs to
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wake up the system. The usb irqs are described in ROCKCHIP
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USB-PHY CONTROL node, which include: "otg_id","otg_bvalid",
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"linestate" and so on.
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Example:
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- RK3288
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usb_control {
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compatible = "rockchip,rk3288-usb-control";
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host_drv_gpio = <&gpio0 GPIO_B6 GPIO_ACTIVE_LOW>;
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otg_drv_gpio = <&gpio0 GPIO_B4 GPIO_ACTIVE_LOW>;
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rockchip,remote_wakeup;
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rockchip,usb_irq_wakeup;
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};
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