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Message-ID: <20201216093012.24406-8-chunfeng.yun@mediatek.com>
Date: Wed, 16 Dec 2020 17:30:09 +0800
From: Chunfeng Yun <chunfeng.yun@...iatek.com>
To: Rob Herring <robh+dt@...nel.org>
CC: Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Stanley Chu <stanley.chu@...iatek.com>,
Min Guo <min.guo@...iatek.com>,
<dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>, <linux-usb@...r.kernel.org>,
Serge Semin <Sergey.Semin@...kalelectronics.ru>
Subject: [PATCH v4 08/11] dt-bindings: usb: convert mediatek,musb.txt to YAML schema
Convert mediatek,musb.txt to YAML schema mediatek,musb.yaml
Cc: Min Guo <min.guo@...iatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
v4: no changes
v3: add Reviewed-by Rob
v2: new patch
---
.../devicetree/bindings/usb/mediatek,musb.txt | 57 ---------
.../bindings/usb/mediatek,musb.yaml | 113 ++++++++++++++++++
2 files changed, 113 insertions(+), 57 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/usb/mediatek,musb.txt
create mode 100644 Documentation/devicetree/bindings/usb/mediatek,musb.yaml
diff --git a/Documentation/devicetree/bindings/usb/mediatek,musb.txt b/Documentation/devicetree/bindings/usb/mediatek,musb.txt
deleted file mode 100644
index 5eedb0296562..000000000000
--- a/Documentation/devicetree/bindings/usb/mediatek,musb.txt
+++ /dev/null
@@ -1,57 +0,0 @@
-MediaTek musb DRD/OTG controller
--------------------------------------------
-
-Required properties:
- - compatible : should be one of:
- "mediatek,mt2701-musb"
- ...
- followed by "mediatek,mtk-musb"
- - reg : specifies physical base address and size of
- the registers
- - interrupts : interrupt used by musb controller
- - interrupt-names : must be "mc"
- - phys : PHY specifier for the OTG phy
- - dr_mode : should be one of "host", "peripheral" or "otg",
- refer to usb/generic.txt
- - clocks : a list of phandle + clock-specifier pairs, one for
- each entry in clock-names
- - clock-names : must contain "main", "mcu", "univpll"
- for clocks of controller
-
-Optional properties:
- - power-domains : a phandle to USB power domain node to control USB's
- MTCMOS
-
-Required child nodes:
- usb connector node as defined in bindings/connector/usb-connector.yaml
-Optional properties:
- - id-gpios : input GPIO for USB ID pin.
- - vbus-gpios : input GPIO for USB VBUS pin.
- - vbus-supply : reference to the VBUS regulator, needed when supports
- dual-role mode
- - usb-role-switch : use USB Role Switch to support dual-role switch, see
- usb/generic.txt.
-
-Example:
-
-usb2: usb@...00000 {
- compatible = "mediatek,mt2701-musb",
- "mediatek,mtk-musb";
- reg = <0 0x11200000 0 0x1000>;
- interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
- interrupt-names = "mc";
- phys = <&u2port2 PHY_TYPE_USB2>;
- dr_mode = "otg";
- clocks = <&pericfg CLK_PERI_USB0>,
- <&pericfg CLK_PERI_USB0_MCU>,
- <&pericfg CLK_PERI_USB_SLV>;
- clock-names = "main","mcu","univpll";
- power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
- usb-role-switch;
- connector{
- compatible = "gpio-usb-b-connector", "usb-b-connector";
- type = "micro";
- id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
- vbus-supply = <&usb_vbus>;
- };
-};
diff --git a/Documentation/devicetree/bindings/usb/mediatek,musb.yaml b/Documentation/devicetree/bindings/usb/mediatek,musb.yaml
new file mode 100644
index 000000000000..790efe8b6274
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mediatek,musb.yaml
@@ -0,0 +1,113 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/mediatek,musb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MUSB DRD/OTG Controller Device Tree Bindings
+
+maintainers:
+ - Min Guo <min.guo@...iatek.com>
+
+properties:
+ $nodename:
+ pattern: '^usb@[0-9a-f]+$'
+
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt2701-musb
+ - const: mediatek,mtk-musb
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-names:
+ items:
+ - const: mc
+
+ clocks:
+ items:
+ - description: The main/core clock
+ - description: The system bus clock
+ - description: The 48Mhz clock
+
+ clock-names:
+ items:
+ - const: main
+ - const: mcu
+ - const: univpll
+
+ phys:
+ maxItems: 1
+
+ usb-role-switch:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: Support role switch. See usb/generic.txt
+ type: boolean
+
+ dr_mode:
+ enum:
+ - host
+ - otg
+ - peripheral
+
+ power-domains:
+ description: A phandle to USB power domain node to control USB's MTCMOS
+ maxItems: 1
+
+ connector:
+ $ref: /connector/usb-connector.yaml#
+ description: Connector for dual role switch
+ type: object
+
+dependencies:
+ usb-role-switch: [ 'connector' ]
+ connector: [ 'usb-role-switch' ]
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - phys
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt2701-clk.h>
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/phy/phy.h>
+ #include <dt-bindings/power/mt2701-power.h>
+
+ usb@...00000 {
+ compatible = "mediatek,mt2701-musb", "mediatek,mtk-musb";
+ reg = <0x11200000 0x1000>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-names = "mc";
+ phys = <&u2port2 PHY_TYPE_USB2>;
+ dr_mode = "otg";
+ clocks = <&pericfg CLK_PERI_USB0>,
+ <&pericfg CLK_PERI_USB0_MCU>,
+ <&pericfg CLK_PERI_USB_SLV>;
+ clock-names = "main","mcu","univpll";
+ power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
+ usb-role-switch;
+
+ connector {
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ type = "micro";
+ id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
+ vbus-supply = <&usb_vbus>;
+ };
+ };
+...
--
2.18.0
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