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316 lines
8.4 KiB
Diff
316 lines
8.4 KiB
Diff
From b39069a482ade0c5e18c407c3218ba1aeed371b6 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Wed, 6 Jan 2021 21:58:36 +0100
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Subject: [PATCH] dt-bindings: phy: brcm, brcmstb-usb-phy: convert to the
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json-schema
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Changes that require mentioning:
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1. interrupt-names
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Name "wakeup" was changed to the "wake". It matches example and what
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Linux driver looks for in the first place
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2. brcm,ipp and brcm,ioc
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Both were described as booleans with 0 / 1 values. In examples they
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were integers and Linux checks for int as well. Both got uint32.
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3. Added minimal description
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Link: https://lore.kernel.org/r/20210106205838.10964-1-zajec5@gmail.com
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Signed-off-by: Vinod Koul <vkoul@kernel.org>
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---
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.../bindings/phy/brcm,brcmstb-usb-phy.txt | 86 --------
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.../bindings/phy/brcm,brcmstb-usb-phy.yaml | 193 ++++++++++++++++++
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2 files changed, 193 insertions(+), 86 deletions(-)
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delete mode 100644 Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt
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create mode 100644 Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.yaml
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--- a/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt
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+++ /dev/null
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@@ -1,86 +0,0 @@
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-Broadcom STB USB PHY
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-
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-Required properties:
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-- compatible: should be one of
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- "brcm,brcmstb-usb-phy"
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- "brcm,bcm7216-usb-phy"
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- "brcm,bcm7211-usb-phy"
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-
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-- reg and reg-names properties requirements are specific to the
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- compatible string.
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- "brcm,brcmstb-usb-phy":
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- - reg: 1 or 2 offset and length pairs. One for the base CTRL registers
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- and an optional pair for systems with USB 3.x support
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- - reg-names: not specified
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- "brcm,bcm7216-usb-phy":
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- - reg: 3 offset and length pairs for CTRL, XHCI_EC and XHCI_GBL
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- registers
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- - reg-names: "ctrl", "xhci_ec", "xhci_gbl"
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- "brcm,bcm7211-usb-phy":
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- - reg: 5 offset and length pairs for CTRL, XHCI_EC, XHCI_GBL,
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- USB_PHY and USB_MDIO registers and an optional pair
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- for the BDC registers
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- - reg-names: "ctrl", "xhci_ec", "xhci_gbl", "usb_phy", "usb_mdio", "bdc_ec"
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-
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-- #phy-cells: Shall be 1 as it expects one argument for setting
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- the type of the PHY. Possible values are:
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- - PHY_TYPE_USB2 for USB1.1/2.0 PHY
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- - PHY_TYPE_USB3 for USB3.x PHY
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-
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-Optional Properties:
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-- clocks : clock phandles.
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-- clock-names: String, clock name.
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-- interrupts: wakeup interrupt
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-- interrupt-names: "wakeup"
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-- brcm,ipp: Boolean, Invert Port Power.
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- Possible values are: 0 (Don't invert), 1 (Invert)
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-- brcm,ioc: Boolean, Invert Over Current detection.
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- Possible values are: 0 (Don't invert), 1 (Invert)
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-- dr_mode: String, PHY Device mode.
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- Possible values are: "host", "peripheral ", "drd" or "typec-pd"
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- If this property is not defined, the phy will default to "host" mode.
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-- brcm,syscon-piarbctl: phandle to syscon for handling config registers
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-NOTE: one or both of the following two properties must be set
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-- brcm,has-xhci: Boolean indicating the phy has an XHCI phy.
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-- brcm,has-eohci: Boolean indicating the phy has an EHCI/OHCI phy.
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-
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-
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-Example:
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-
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-usbphy_0: usb-phy@f0470200 {
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- reg = <0xf0470200 0xb8>,
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- <0xf0471940 0x6c0>;
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- compatible = "brcm,brcmstb-usb-phy";
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- #phy-cells = <1>;
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- dr_mode = "host"
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- brcm,ioc = <1>;
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- brcm,ipp = <1>;
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- brcm,has-xhci;
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- brcm,has-eohci;
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- clocks = <&usb20>, <&usb30>;
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- clock-names = "sw_usb", "sw_usb3";
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-};
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-
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-usb-phy@29f0200 {
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- reg = <0x29f0200 0x200>,
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- <0x29c0880 0x30>,
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- <0x29cc100 0x534>,
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- <0x2808000 0x24>,
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- <0x2980080 0x8>;
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- reg-names = "ctrl",
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- "xhci_ec",
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- "xhci_gbl",
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- "usb_phy",
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- "usb_mdio";
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- brcm,ioc = <0x0>;
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- brcm,ipp = <0x0>;
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- compatible = "brcm,bcm7211-usb-phy";
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- interrupts = <0x30>;
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- interrupt-parent = <&vpu_intr1_nosec_intc>;
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- interrupt-names = "wake";
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- #phy-cells = <0x1>;
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- brcm,has-xhci;
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- syscon-piarbctl = <&syscon_piarbctl>;
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- clocks = <&scmi_clk 256>;
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- clock-names = "sw_usb";
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-};
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.yaml
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@@ -0,0 +1,193 @@
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/phy/brcm,brcmstb-usb-phy.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Broadcom STB USB PHY
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+
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+description: Broadcom's PHY that handles EHCI/OHCI and/or XHCI
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+
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+maintainers:
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+ - Al Cooper <alcooperx@gmail.com>
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+ - Rafał Miłecki <rafal@milecki.pl>
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+
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+properties:
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+ compatible:
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+ enum:
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+ - brcm,bcm7211-usb-phy
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+ - brcm,bcm7216-usb-phy
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+ - brcm,brcmstb-usb-phy
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+
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+ reg:
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+ minItems: 1
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+ maxItems: 6
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+ items:
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+ - description: the base CTRL register
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+ - description: XHCI EC register
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+ - description: XHCI GBL register
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+ - description: USB PHY register
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+ - description: USB MDIO register
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+ - description: BDC register
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+
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+ reg-names:
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+ minItems: 1
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+ maxItems: 6
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+ items:
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+ - const: ctrl
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+ - const: xhci_ec
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+ - const: xhci_gbl
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+ - const: usb_phy
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+ - const: usb_mdio
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+ - const: bdc_ec
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+
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+ clocks:
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+ minItems: 1
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+ maxItems: 2
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+
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+ clock-names:
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+ minItems: 1
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+ maxItems: 2
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+ items:
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+ - const: sw_usb
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+ - const: sw_usb3
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+
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+ interrupts:
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+ description: wakeup interrupt
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+
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+ interrupt-names:
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+ const: wake
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+
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+ brcm,ipp:
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+ $ref: /schemas/types.yaml#/definitions/uint32
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+ description: Invert Port Power
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+ minimum: 0
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+ maximum: 1
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+
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+ brcm,ioc:
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+ $ref: /schemas/types.yaml#/definitions/uint32
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+ description: Invert Over Current detection
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+ minimum: 0
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+ maximum: 1
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+
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+ dr_mode:
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+ description: PHY Device mode. If this property is not defined, the PHY will
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+ default to "host" mode.
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+ enum:
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+ - host
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+ - peripheral
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+ - drd
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+ - typec-pd
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+
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+ brcm,syscon-piarbctl:
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+ description: phandle to syscon for handling config registers
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+ $ref: /schemas/types.yaml#/definitions/phandle
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+
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+ brcm,has-xhci:
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+ description: Indicates the PHY has an XHCI PHY.
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+ type: boolean
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+
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+ brcm,has-eohci:
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+ description: Indicates the PHY has an EHCI/OHCI PHY.
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+ type: boolean
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+
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+ "#phy-cells":
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+ description: |
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+ Cell allows setting the type of the PHY. Possible values are:
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+ - PHY_TYPE_USB2 for USB1.1/2.0 PHY
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+ - PHY_TYPE_USB3 for USB3.x PHY
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+ const: 1
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+
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+required:
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+ - reg
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+ - "#phy-cells"
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+
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+anyOf:
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+ - required:
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+ - brcm,has-xhci
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+ - required:
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+ - brcm,has-eohci
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+
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+allOf:
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+ - if:
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+ properties:
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+ compatible:
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+ contains:
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+ const: brcm,brcmstb-usb-phy
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+ then:
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+ properties:
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+ reg:
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+ minItems: 1
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+ maxItems: 2
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+ - if:
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+ properties:
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+ compatible:
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+ contains:
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+ const: brcm,bcm7211-usb-phy
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+ then:
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+ properties:
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+ reg:
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+ minItems: 5
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+ maxItems: 6
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+ reg-names:
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+ minItems: 5
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+ maxItems: 6
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+ - if:
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+ properties:
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+ compatible:
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+ contains:
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+ const: brcm,bcm7216-usb-phy
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+ then:
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+ properties:
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+ reg:
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+ minItems: 3
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+ maxItems: 3
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+ reg-names:
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+ minItems: 3
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+ maxItems: 3
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ #include <dt-bindings/phy/phy.h>
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+
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+ usb-phy@f0470200 {
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+ compatible = "brcm,brcmstb-usb-phy";
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+ reg = <0xf0470200 0xb8>,
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+ <0xf0471940 0x6c0>;
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+ #phy-cells = <1>;
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+ dr_mode = "host";
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+ brcm,ioc = <1>;
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+ brcm,ipp = <1>;
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+ brcm,has-xhci;
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+ brcm,has-eohci;
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+ clocks = <&usb20>, <&usb30>;
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+ clock-names = "sw_usb", "sw_usb3";
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+ };
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+ - |
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+ #include <dt-bindings/phy/phy.h>
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+
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+ usb-phy@29f0200 {
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+ compatible = "brcm,bcm7211-usb-phy";
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+ reg = <0x29f0200 0x200>,
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+ <0x29c0880 0x30>,
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+ <0x29cc100 0x534>,
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+ <0x2808000 0x24>,
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+ <0x2980080 0x8>;
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+ reg-names = "ctrl",
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+ "xhci_ec",
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+ "xhci_gbl",
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+ "usb_phy",
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+ "usb_mdio";
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+ brcm,ioc = <0x0>;
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+ brcm,ipp = <0x0>;
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+ interrupts = <0x30>;
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+ interrupt-parent = <&vpu_intr1_nosec_intc>;
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+ interrupt-names = "wake";
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+ #phy-cells = <0x1>;
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+ brcm,has-xhci;
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+ brcm,syscon-piarbctl = <&syscon_piarbctl>;
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+ clocks = <&scmi_clk 256>;
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+ clock-names = "sw_usb";
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+ };
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