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Message-Id: <20200320183755.17150-1-jbx6244@gmail.com>
Date: Fri, 20 Mar 2020 19:37:55 +0100
From: Johan Jonker <jbx6244@...il.com>
To: kishon@...com
Cc: heiko@...ech.de, robh+dt@...nel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2] dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml
Current dts files for Rockchip with 'usb2-phy' subnodes
are manually verified. In order to automate this process
phy-rockchip-inno-usb2.txt has to be converted to yaml.
Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
Changed v2:
Keep unused "rockchip,rk3366-usb2phy" support.
Add "#phy-cells" to example.
Add allOf phy-provider.yaml
---
.../bindings/phy/phy-rockchip-inno-usb2.txt | 81 -----------
.../bindings/phy/phy-rockchip-inno-usb2.yaml | 153 +++++++++++++++++++++
2 files changed, 153 insertions(+), 81 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
deleted file mode 100644
index 541f52988..000000000
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
+++ /dev/null
@@ -1,81 +0,0 @@
-ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK
-
-Required properties (phy (parent) node):
- - compatible : should be one of the listed compatibles:
- * "rockchip,px30-usb2phy"
- * "rockchip,rk3228-usb2phy"
- * "rockchip,rk3328-usb2phy"
- * "rockchip,rk3366-usb2phy"
- * "rockchip,rk3399-usb2phy"
- * "rockchip,rv1108-usb2phy"
- - reg : the address offset of grf for usb-phy configuration.
- - #clock-cells : should be 0.
- - clock-output-names : specify the 480m output clock name.
-
-Optional properties:
- - clocks : phandle + phy specifier pair, for the input clock of phy.
- - clock-names : input clock name of phy, must be "phyclk".
- - assigned-clocks : phandle of usb 480m clock.
- - assigned-clock-parents : parent of usb 480m clock, select between
- usb-phy output 480m and xin24m.
- Refer to clk/clock-bindings.txt for generic clock
- consumer properties.
- - rockchip,usbgrf : phandle to the syscon managing the "usb general
- register files". When set driver will request its
- phandle as one companion-grf for some special SoCs
- (e.g RV1108).
- - extcon : phandle to the extcon device providing the cable state for
- the otg phy.
-
-Required nodes : a sub-node is required for each port the phy provides.
- The sub-node name is used to identify host or otg port,
- and shall be the following entries:
- * "otg-port" : the name of otg port.
- * "host-port" : the name of host port.
-
-Required properties (port (child) node):
- - #phy-cells : must be 0. See ./phy-bindings.txt for details.
- - interrupts : specify an interrupt for each entry in interrupt-names.
- - interrupt-names : a list which should be one of the following cases:
- Regular case:
- * "otg-id" : for the otg id interrupt.
- * "otg-bvalid" : for the otg vbus interrupt.
- * "linestate" : for the host/otg linestate interrupt.
- Some SoCs use one interrupt with the above muxed together, so for these
- * "otg-mux" : otg-port interrupt, which mux otg-id/otg-bvalid/linestate
- to one.
-
-Optional properties:
- - phy-supply : phandle to a regulator that provides power to VBUS.
- See ./phy-bindings.txt for details.
-
-Example:
-
-grf: syscon@...70000 {
- compatible = "rockchip,rk3366-grf", "syscon", "simple-mfd";
- #address-cells = <1>;
- #size-cells = <1>;
-
-...
-
- u2phy: usb2-phy@700 {
- compatible = "rockchip,rk3366-usb2phy";
- reg = <0x700 0x2c>;
- #clock-cells = <0>;
- clock-output-names = "sclk_otgphy0_480m";
-
- u2phy_otg: otg-port {
- #phy-cells = <0>;
- interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "otg-id", "otg-bvalid", "linestate";
- };
-
- u2phy_host: host-port {
- #phy-cells = <0>;
- interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "linestate";
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
new file mode 100644
index 000000000..8fd1e6f3a
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
@@ -0,0 +1,153 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/phy-rockchip-inno-usb2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip USB2.0 phy with inno IP block
+
+allOf:
+ - $ref: /schemas/phy/phy-provider.yaml#
+
+maintainers:
+ - Heiko Stuebner <heiko@...ech.de>
+
+# Everything else is described in the common file
+properties:
+ compatible:
+ oneOf:
+ - const: rockchip,px30-usb2phy
+ - const: rockchip,rk3228-usb2phy
+ - const: rockchip,rk3328-usb2phy
+ - const: rockchip,rk3366-usb2phy
+ - const: rockchip,rk3399-usb2phy
+ - const: rockchip,rv1108-usb2phy
+
+ reg:
+ maxItems: 1
+
+ clock-output-names:
+ description:
+ The usb 480m output clock name.
+
+ "#clock-cells":
+ const: 0
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: phyclk
+
+ assigned-clocks:
+ description:
+ Phandle of the usb 480m clock.
+
+ assigned-clock-parents:
+ description:
+ Parent of the usb 480m clock.
+ Select between usb-phy output 480m and xin24m.
+ Refer to clk/clock-bindings.txt for generic clock consumer properties.
+
+ extcon:
+ description:
+ Phandle to the extcon device providing the cable state for the otg phy.
+
+ rockchip,usbgrf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Phandle to the syscon managing the 'usb general register files'.
+ When set the driver will request its phandle as one companion-grf
+ for some special SoCs (e.g rv1108).
+
+ host-port:
+ type: object
+ additionalProperties: false
+
+ properties:
+ "#phy-cells":
+ const: 0
+
+ interrupts:
+ description: host linestate interrupt
+
+ interrupt-names:
+ const: linestate
+
+ phy-supply:
+ description:
+ Phandle to a regulator that provides power to VBUS.
+ See ./phy-bindings.txt for details.
+
+ required:
+ - "#phy-cells"
+ - interrupts
+ - interrupt-names
+
+ otg-port:
+ type: object
+ additionalProperties: false
+
+ properties:
+ "#phy-cells":
+ const: 0
+
+ interrupts:
+ minItems: 1
+ maxItems: 3
+
+ interrupt-names:
+ oneOf:
+ - const: linestate
+ - const: otg-mux
+ - items:
+ - const: otg-bvalid
+ - const: otg-id
+ - const: linestate
+
+ phy-supply:
+ description:
+ Phandle to a regulator that provides power to VBUS.
+ See ./phy-bindings.txt for details.
+
+ required:
+ - "#phy-cells"
+ - interrupts
+ - interrupt-names
+
+required:
+ - compatible
+ - reg
+ - clock-output-names
+ - "#clock-cells"
+ - host-port
+ - otg-port
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3399-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ u2phy0: usb2-phy@...0 {
+ compatible = "rockchip,rk3399-usb2phy";
+ reg = <0xe450 0x10>;
+ clocks = <&cru SCLK_USB2PHY0_REF>;
+ clock-names = "phyclk";
+ clock-output-names = "clk_usbphy0_480m";
+ #clock-cells = <0>;
+ #phy-cells = <0>;
+
+ u2phy0_host: host-port {
+ #phy-cells = <0>;
+ interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>;
+ interrupt-names = "linestate";
+ };
+
+ u2phy0_otg: otg-port {
+ #phy-cells = <0>;
+ interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH 0>;
+ interrupt-names = "otg-bvalid", "otg-id", "linestate";
+ };
+ };
--
2.11.0
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