forked from Minki/linux
77 lines
1.9 KiB
Plaintext
77 lines
1.9 KiB
Plaintext
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Qualcomm's APQ8016/MSM8916 USB transceiver controller
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- compatible:
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Usage: required
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Value type: <string>
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Definition: Should contain "qcom,usb-8x16-phy".
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- reg:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: USB PHY base address and length of the register map
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- clocks:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: See clock-bindings.txt section "consumers". List of
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two clock specifiers for interface and core controller
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clocks.
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- clock-names:
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Usage: required
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Value type: <string>
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Definition: Must contain "iface" and "core" strings.
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- vddcx-supply:
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Usage: required
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Value type: <phandle>
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Definition: phandle to the regulator VDCCX supply node.
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- v1p8-supply:
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Usage: required
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Value type: <phandle>
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Definition: phandle to the regulator 1.8V supply node.
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- v3p3-supply:
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Usage: required
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Value type: <phandle>
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Definition: phandle to the regulator 3.3V supply node.
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- resets:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: See reset.txt section "consumers". PHY reset specifier.
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- reset-names:
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Usage: required
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Value type: <string>
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Definition: Must contain "phy" string.
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- switch-gpio:
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Usage: optional
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Value type: <prop-encoded-array>
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Definition: Some boards are using Dual SPDT USB Switch, witch is
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controlled by GPIO to de/multiplex D+/D- USB lines
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between connectors.
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Example:
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usb_phy: phy@78d9000 {
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compatible = "qcom,usb-8x16-phy";
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reg = <0x78d9000 0x400>;
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vddcx-supply = <&pm8916_s1_corner>;
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v1p8-supply = <&pm8916_l7>;
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v3p3-supply = <&pm8916_l13>;
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clocks = <&gcc GCC_USB_HS_AHB_CLK>,
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<&gcc GCC_USB_HS_SYSTEM_CLK>;
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clock-names = "iface", "core";
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resets = <&gcc GCC_USB2A_PHY_BCR>;
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reset-names = "phy";
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// D+/D- lines: 1 - Routed to HUB, 0 - Device connector
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switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
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};
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