Merge "usb: phy: Add snapshot of QTI USB PHY drivers"

QCOM USB PHY transceivers

HSUSB PHY

Required properties:

 - compatible: Should be "qcom,usb-hsphy-snps-femto"

 - reg: Address and length of the register set for the device

   Required regs are:

	"hsusb_phy_base" : the base register for the PHY

 - <supply-name>-supply: phandle to the regulator device tree node

   Required "supply-name" examples are:

	"vdd" : vdd supply for HSPHY digital circuit operation

	"vdda18" : 1.8v supply for HSPHY

	"vdda33" : 3.3v supply for HSPHY

 - clocks: a list of phandles to the PHY clocks. Use as per

   Documentation/devicetree/bindings/clock/clock-bindings.txt

 - clock-names: Names of the clocks in 1-1 correspondence with the "clocks"

   property. "ref_clk_src" is a mandatory clock.

 - qcom,vdd-voltage-level: 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

 - resets: reset specifier pair consists of phandle for the reset controller

   and reset lines used by this controller.

 - reset-names: reset signal name strings sorted in the same order as the resets

   property.

Optional properties:

 - qcom,param-override-seq: parameter override sequence with value, reg offset

   pair.

 - qcom,rcal-mask: efuse calibration mask.

 - reg: Address and length of the register set for the device

   Optional regs are:

        "phy_rcal_reg": register address for efuse used for rext calibration

Example:

	hsphy@f9200000 {

		compatible = "qcom,usb-hsphy-snps-femto";

		reg = <0xff1000 0x400>;

		vdd-supply = <&pm8841_s2_corner>;

		vdda18-supply = <&pm8941_l6>;

		vdda33-supply = <&pm8941_l24>;

		qcom,vdd-voltage-level = <0 872000 872000>;

		qcom,param-override-seq = <0x43 0x70>;

	};

SSUSB-QMP PHY

Required properties:

 - compatible: Should be "qcom,usb-ssphy-qmp", "qcom,usb-ssphy-qmp-v1" or

   "qcom,usb-ssphy-qmp-v2" or "qcom,usb-ssphy-qmp-usb3-or-dp" or

   "qcom,usb-ssphy-qmp-dp-combo"

 - reg: Address and length of the register set for the device

   Required reg-names entry must contain:

   "qmp_phy_base" : QMP PHY Base register set.

 - <supply-name>-supply: phandle to the regulator device tree node

   Required "supply-name" examples are:

	"vdd" : vdd supply for SSPHY digital circuit operation

	"core" : high-voltage analog supply for SSPHY

 - clocks: a list of phandles to the PHY clocks. Use as per

   Documentation/devicetree/bindings/clock/clock-bindings.txt

 - clock-names: Names of the clocks in 1-1 correspondence with the "clocks"

   property. Required clocks are "aux_clk" and "pipe_clk".

 - qcom,vdd-voltage-level: 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,qmp-phy-init-seq: QMP PHY initialization sequence with reg offset, its

   value, delay after register write.

 - qcom,qmp-phy-reg-offset: Provides important phy register offsets in an order

   defined in the phy driver.

   Provide below mentioned register offsets in order for non USB DP combo PHY:

   USB3_PHY_PCS_STATUS,

   USB3_PHY_AUTONOMOUS_MODE_CTRL,

   USB3_PHY_LFPS_RXTERM_IRQ_CLEAR,

   USB3_PHY_POWER_DOWN_CONTROL,

   USB3_PHY_SW_RESET,

   USB3_PHY_START

   In addion to above following set of registers offset needed for USB DP combo PHY in mentioned order:

   USB3_DP_DP_PHY_PD_CTL,

   USB3_DP_COM_POWER_DOWN_CTRL,

   USB3_DP_COM_SW_RESET,

   USB3_DP_COM_RESET_OVRD_CTRL,

   USB3_DP_COM_PHY_MODE_CTRL,

   USB3_DP_COM_TYPEC_CTRL,

   USB3_DP_COM_SWI_CTRL,

   Optional register for enabling/disabling VLS clamp if available:

   USB3_PCS_MISC_CLAMP_ENABLE

   Optional register for configuring USB Type-C port select if available:

   USB3_PHY_PCS_MISC_TYPEC_CTRL

- resets: reset specifier pair consists of phandle for the reset controller

  and reset lines used by this controller.

- reset-names: reset signal name strings sorted in the same order as the resets

  property.

Optional properties:

 - reg: Additional register set of address and length to control QMP PHY are:

   "tcsr_usb3_dp_phymode" : top-level CSR register to be written to select

   super speed usb qmp phy.

   "pcs_clamp_enable_reg" : Clamps the phy data inputs and enables USB3

   autonomous mode.

   "vls_clamp_reg" : top-level CSR register to be written to enable phy vls

   clamp which allows phy to detect autonomous mode.

 - clocks: a list of phandles to the PHY clocks. Use as per

   Documentation/devicetree/bindings/clock/clock-bindings.txt

 - clock-names: Names of the clocks in 1-1 correspondence with the "clocks"

   property. "cfg_ahb_clk" and "com_aux_clk" are an optional clocks.

 - qcom,vbus-valid-override: If present, indicates VBUS pin is not connected to

   the USB PHY and the controller must rely on external VBUS notification in

   order to manually relay the notification to the SSPHY.

 - qcom,core-voltage-level: 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,link-training-reset: This property indicates to start link training

   timer to reset the elastic buffer based on rx equalization value.

Example:

	ssphy0: ssphy@f9b38000 {

		compatible = "qcom,usb-ssphy-qmp";

		reg = <0xf9b38000 0x16c>,

			<0x01947244 0x4>;

		reg-names = "qmp_phy_base",

			"vls_clamp_reg";

		vdd-supply = <&pmd9635_l4>;

		vdda18-supply = <&pmd9635_l8>;

		qcom,vdd-voltage-level = <0 900000 1050000>;

		qcom,vbus-valid-override;

		clocks = <&clock_gcc clk_gcc_usb3_phy_aux_clk>,

			 <&clock_gcc clk_gcc_usb3_phy_pipe_clk>,

			 <&clock_gcc clk_gcc_usb_phy_cfg_ahb2phy_clk>,

			 <&clock_gcc clk_ln_bb_clk1>,

			 <&clock_gcc clk_gcc_usb3_clkref_clk>;

		clock-names = "aux_clk", "pipe_clk", "cfg_ahb_clk",

			      "ref_clk_src", "ref_clk";

		resets = <&clock_gcc GCC_USB3_PHY_BCR>,

			<&clock_gcc GCC_USB3PHY_PHY_BCR>;

		reset-names = "phy_reset",

				"phy_phy_reset";

	};

QUSB2 High-Speed PHY

Required properties:

 - compatible: Should be "qcom,qusb2phy" or "qcom,qusb2phy-v2"

 - reg: Address and length of the QUSB2 PHY register set

 - reg-names: Should be "qusb_phy_base".

 - <supply-name>-supply: phandle to the regulator device tree node

   Required supplies are:

	"vdd" : vdd supply for digital circuit operation

	"vdda18" : 1.8v high-voltage analog supply

	"vdda33" : 3.3v high-voltage analog supply

 - clocks: a list of phandles to the PHY clocks. Use as per

   Documentation/devicetree/bindings/clock/clock-bindings.txt

 - clock-names: Names of the clocks in 1-1 correspondence with the "clocks"

   property. "ref_clk_src" is a mandatory clock.

 - qcom,vdd-voltage-level: 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

 - phy_type: Should be one of "ulpi" or "utmi". ChipIdea core uses "ulpi" mode.

 - resets: reset specifier pair consists of phandle for the reset controller

   and reset lines used by this controller.

 - reset-names: reset signal name strings sorted in the same order as the resets

   property.

 - qcom,qusb-phy-reg-offset: Provides important phy register offsets in an order defined in phy driver.

Optional properties:

 - reg-names: Additional registers corresponding with the following:

   "efuse_addr": EFUSE address to read and update analog tune parameter.

   "emu_phy_base" : phy base address used for programming emulation target phy.

   "ref_clk_addr" : ref_clk bcr address used for on/off ref_clk before reset.

   "tcsr_clamp_dig_n" : To enable/disable digital clamp to the phy. When

   de-asserted, it will prevent random leakage from qusb2 phy resulting from

   out of sequence turn on/off of 1p8, 3p3 and DVDD regulators.

   "refgen_north_bg_reg" : address used to read REFGEN status for overriding QUSB PHY register.

 - clocks: a list of phandles to the PHY clocks. Use as per

   Documentation/devicetree/bindings/clock/clock-bindings.txt

 - clock-names: Names of the clocks in 1-1 correspondence with the "clocks"

   property. "cfg_ahb_clk" and "ref_clk" are optional clocks.

 - qcom,qusb-phy-init-seq: QUSB PHY initialization sequence with value,reg pair.

 - qcom,qusb-phy-host-init-seq: QUSB PHY initialization sequence for host mode

   with value,reg pair.

 - qcom,emu-init-seq : emulation initialization sequence with value,reg pair.

 - qcom,phy-pll-reset-seq : emulation PLL reset sequence with value,reg pair.

 - qcom,emu-dcm-reset-seq : emulation DCM reset sequence with value,reg pair.

 - qcom,efuse-bit-pos: start bit position within EFUSE register

 - qcom,efuse-num-bits: Number of bits to read from EFUSE register

 - qcom,emulation: Indicates that we are running on emulation platform.

 - qcom,hold-reset: Indicates that hold QUSB PHY into reset state.

 - qcom,phy-clk-scheme: Should be one of "cml" or "cmos" if ref_clk_addr is provided.

 - qcom,major-rev: provide major revision number to differentiate power up sequence. default is 2.0

 - pinctrl-names/pinctrl-0/1: The GPIOs configured as output function. Names represents "active"

   state when attached in host mode and "suspend" state when detached.

 - qcom,tune2-efuse-correction: The value to be adjusted from fused value for

   improved rise/fall times.

 - qcom,host-chirp-erratum: Indicates host chirp fix is required.

 - qcom,override-bias-ctrl2: Indicates override is done from driver for

   BIAS_CTRL2 register.

 - nvmem-cells: specifies the handle to represent the SoC revision.

   usually it is defined by qfprom device node.

 - nvmem-cell-names: specifies the given nvmem cell name as defined in

   qfprom node.

Example:

	qusb_phy: qusb@f9b39000 {

		compatible = "qcom,qusb2phy";

		reg = <0x00079000 0x7000>;

		reg-names = "qusb_phy_base";

		vdd-supply = <&pm8994_s2_corner>;

		vdda18-supply = <&pm8994_l6>;

		vdda33-supply = <&pm8994_l24>;

		qcom,vdd-voltage-level = <1 5 7>;

		qcom,qusb-phy-reg-offset =

			<0x240 /* QUSB2PHY_PORT_TUNE1 */

			 0x1a0 /* QUSB2PHY_PLL_COMMON_STATUS_ONE */

			 0x210 /* QUSB2PHY_PWR_CTRL1 */

			 0x230 /* QUSB2PHY_INTR_CTRL */

			 0x0a8 /* QUSB2PHY_PLL_CORE_INPUT_OVERRIDE */

			 0x254 /* QUSB2PHY_TEST1 */

			 0x198>; /* QUSB2PHY_PLL_BIAS_CONTROL_2 */

		qcom,efuse-bit-pos = <21>;

		qcom,efuse-num-bits = <3>;

		clocks = <&clock_rpm clk_ln_bb_clk>,

			 <&clock_gcc clk_gcc_rx2_usb1_clkref_clk>,

			 <&clock_gcc clk_gcc_usb_phy_cfg_ahb2phy_clk>;

		clock-names = "ref_clk_src", "ref_clk", "cfg_ahb_clk";

		resets = <&clock_gcc GCC_QUSB2PHY_PRIM_BCR>;

		reset-names = "phy_reset";

	};

	  To compile this driver as a module, choose M here: the

	  module will be called phy-isp1301.

config USB_MSM_SSPHY_QMP

	tristate "MSM SSUSB QMP PHY Driver"

	depends on ARCH_QCOM

	select USB_PHY

	help

	  Enable this to support the SuperSpeed USB transceiver on MSM chips.

	  This driver supports the PHY which uses the QSCRATCH-based register

	  set for its control sequences, normally paired with newer DWC3-based

	  SuperSpeed controllers.

config MSM_QUSB_PHY

	tristate "MSM QUSB2 PHY Driver"

	depends on ARCH_QCOM

	select USB_PHY

	help

	  Enable this to support the QUSB2 PHY on MSM chips. This driver supports

	  the high-speed PHY which is usually paired with either the ChipIdea or

	  Synopsys DWC3 USB IPs on MSM SOCs. This driver expects to configure the

	  PHY with a dedicated register I/O memory region.

config USB_MV_OTG

	tristate "Marvell USB OTG support"

	depends on USB_EHCI_MV && USB_MV_UDC && PM && USB_OTG

obj-$(CONFIG_USB_ULPI)			+= phy-ulpi.o

obj-$(CONFIG_USB_ULPI_VIEWPORT)		+= phy-ulpi-viewport.o

obj-$(CONFIG_KEYSTONE_USB_PHY)		+= phy-keystone.o

obj-$(CONFIG_USB_MSM_SSPHY_QMP)     	+= phy-msm-ssusb-qmp.o

obj-$(CONFIG_MSM_HSUSB_PHY)		+= phy-msm-snps-hs.o