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74fee4e88f
- Convert more DT code to use of_property_read_* API.
- Improve DT overlay support when adding multiple overlays.
- Convert printk's to %pOF format specifiers. Most went via subsystem
trees, but picked up the remaining orphans.
- Correct unittests to use preferred "okay" for "status" property value.
- Add a KASLR seed property.
- Vendor prefixes for Mellanox, Theobroma System, Adaptrum, Moxa.
- Fix modalias buffer handling.
- Clean-up of include paths for building dtbs.
- Add bindings for amc6821, isl1208, tsl2x7x, srf02, and srf10 devices.
- Add nvmem bindings for MediaTek MT7623 and MT7622 SoC.
- Add compatible string for Allwinner H5 Mali-450 GPU.
- Fix links to old OpenFirmware docs with new mirror on devicetree.org.
- Remove status property from binding doc examples.
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Merge tag 'devicetree-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
"There's a few orphans in the conversion to %pOF printf specifiers
included here that no one else picked up.
Summary:
- Convert more DT code to use of_property_read_* API.
- Improve DT overlay support when adding multiple overlays
- Convert printk's to %pOF format specifiers. Most went via subsystem
trees, but picked up the remaining orphans
- Correct unittests to use preferred "okay" for "status" property
value
- Add a KASLR seed property
- Vendor prefixes for Mellanox, Theobroma System, Adaptrum, Moxa
- Fix modalias buffer handling
- Clean-up of include paths for building dtbs
- Add bindings for amc6821, isl1208, tsl2x7x, srf02, and srf10
devices
- Add nvmem bindings for MediaTek MT7623 and MT7622 SoC
- Add compatible string for Allwinner H5 Mali-450 GPU
- Fix links to old OpenFirmware docs with new mirror on
devicetree.org
- Remove status property from binding doc examples"
* tag 'devicetree-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (45 commits)
devicetree: Adjust status "ok" -> "okay" under drivers/of/
dt-bindings: Remove "status" from examples
dt-bindings: pinctrl: sh-pfc: Use generic node name
dt-bindings: Add vendor Mellanox
dt-binding: net/phy: fix interrupts description
virt: Convert to using %pOF instead of full_name
macintosh: Convert to using %pOF instead of full_name
ide: pmac: Convert to using %pOF instead of full_name
microblaze: Convert to using %pOF instead of full_name
dt-bindings: usb: musb: Grammar s/the/to/, s/is/are/
of: Use PLATFORM_DEVID_NONE definition
of/device: Fix of_device_get_modalias() buffer handling
of/device: Prevent buffer overflow in of_device_modalias()
dt-bindings: add amc6821, isl1208 trivial bindings
dt-bindings: add vendor prefix for Theobroma Systems
of: search scripts/dtc/include-prefixes path for both CPP and DTC
of: remove arch/$(SRCARCH)/boot/dts from include search path for CPP
of: remove drivers/of/testcase-data from include search path for CPP
of: return of_get_cpu_node from of_cpu_device_node_get if CPUs are not registered
iio: srf08: add device tree binding for srf02 and srf10
...
90 lines
3.4 KiB
Plaintext
90 lines
3.4 KiB
Plaintext
The device node for Mediatek USB3.0 DRD controller
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Required properties:
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- compatible : should be "mediatek,<soc-model>-mtu3", "mediatek,mtu3",
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soc-model is the name of SoC, such as mt8173, mt2712 etc,
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when using "mediatek,mtu3" compatible string, you need SoC specific
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ones in addition, one of:
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- "mediatek,mt8173-mtu3"
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- reg : specifies physical base address and size of the registers
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- reg-names: should be "mac" for device IP and "ippc" for IP port control
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- interrupts : interrupt used by the device IP
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- power-domains : a phandle to USB power domain node to control USB's
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mtcmos
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- vusb33-supply : regulator of USB avdd3.3v
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- clocks : a list of phandle + clock-specifier pairs, one for each
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entry in clock-names
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- clock-names : must contain "sys_ck" and "ref_ck" for clock of controller;
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"wakeup_deb_p0" and "wakeup_deb_p1" are optional, they are
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depends on "mediatek,enable-wakeup"
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- phys : a list of phandle + phy specifier pairs
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- dr_mode : should be one of "host", "peripheral" or "otg",
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refer to usb/generic.txt
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Optional properties:
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- #address-cells, #size-cells : should be '2' if the device has sub-nodes
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with 'reg' property
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- ranges : allows valid 1:1 translation between child's address space and
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parent's address space
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- extcon : external connector for vbus and idpin changes detection, needed
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when supports dual-role mode.
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- vbus-supply : reference to the VBUS regulator, needed when supports
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dual-role mode.
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- pinctl-names : a pinctrl state named "default" must be defined,
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"id_float" and "id_ground" are optinal which depends on
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"mediatek,enable-manual-drd"
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- pinctrl-0 : pin control group
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See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
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- maximum-speed : valid arguments are "super-speed", "high-speed" and
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"full-speed"; refer to usb/generic.txt
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- enable-manual-drd : supports manual dual-role switch via debugfs; usually
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used when receptacle is TYPE-A and also wants to support dual-role
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mode.
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- mediatek,enable-wakeup : supports ip sleep wakeup used by host mode
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- mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup
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control register, it depends on "mediatek,enable-wakeup".
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Sub-nodes:
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The xhci should be added as subnode to mtu3 as shown in the following example
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if host mode is enabled. The DT binding details of xhci can be found in:
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Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
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Example:
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ssusb: usb@11271000 {
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compatible = "mediatek,mt8173-mtu3";
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reg = <0 0x11271000 0 0x3000>,
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<0 0x11280700 0 0x0100>;
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reg-names = "mac", "ippc";
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interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_LOW>;
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phys = <&phy_port0 PHY_TYPE_USB3>,
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<&phy_port1 PHY_TYPE_USB2>;
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power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
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clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>,
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<&pericfg CLK_PERI_USB0>,
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<&pericfg CLK_PERI_USB1>;
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clock-names = "sys_ck", "ref_ck",
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"wakeup_deb_p0",
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"wakeup_deb_p1";
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vusb33-supply = <&mt6397_vusb_reg>;
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vbus-supply = <&usb_p0_vbus>;
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extcon = <&extcon_usb>;
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dr_mode = "otg";
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mediatek,enable-wakeup;
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mediatek,syscon-wakeup = <&pericfg>;
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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usb_host: xhci@11270000 {
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compatible = "mediatek,mt8173-xhci";
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reg = <0 0x11270000 0 0x1000>;
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reg-names = "mac";
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interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
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power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
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clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
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clock-names = "sys_ck", "ref_ck";
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vusb33-supply = <&mt6397_vusb_reg>;
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};
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};
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