From: Benjamin Bara <bbara93@gmail.com>
To: Matthias Kaehlcke <mka@chromium.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Benjamin Bara <benjamin.bara@skidata.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org
Subject: [PATCH v4 3/3] dt-bindings: usb: Add binding for Cypress HX3 USB 3.0 family
Date: Wed, 21 Jun 2023 20:04:05 +0200 [thread overview]
Message-ID: <20230620-hx3-v4-3-e56b3c6db60b@skidata.com> (raw)
In-Reply-To: <20230620-hx3-v4-0-e56b3c6db60b@skidata.com>
From: Benjamin Bara <benjamin.bara@skidata.com>
The HX3 family comes in different variants (up to 4 USB 3.0 ports;
multi-TT), e.g. CYUSB330x/CYUSB331x/CYUSB332x/CYUSB230x.
This initial version of the binding only describes USB related aspects
of the HX3 family, it does not cover the option of connecting the
controller as an i2c slave.
Signed-off-by: Benjamin Bara <benjamin.bara@skidata.com>
---
.../devicetree/bindings/usb/cypress,hx3.yaml | 77 ++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/cypress,hx3.yaml b/Documentation/devicetree/bindings/usb/cypress,hx3.yaml
new file mode 100644
index 000000000000..47add0d85fb8
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/cypress,hx3.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/cypress,hx3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cypress HX3 USB 3.0 hub controller family
+
+maintainers:
+ - Benjamin Bara <benjamin.bara@skidata.com>
+
+allOf:
+ - $ref: usb-device.yaml#
+
+properties:
+ compatible:
+ enum:
+ - usb4b4,6504
+ - usb4b4,6506
+
+ reg: true
+
+ reset-gpios:
+ items:
+ - description: GPIO specifier for RESETN pin.
+
+ vdd-supply:
+ description:
+ 1V2 power supply (VDD_EFUSE, AVDD12, DVDD12).
+
+ vdd2-supply:
+ description:
+ 3V3 power supply (AVDD33, VDD_IO).
+
+ peer-hub:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ phandle to the peer hub on the controller.
+
+required:
+ - compatible
+ - reg
+ - peer-hub
+ - vdd-supply
+ - vdd2-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ usb {
+ dr_mode = "host";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* 2.0 hub on port 1 */
+ hub_2_0: hub@1 {
+ compatible = "usb4b4,6504";
+ reg = <1>;
+ peer-hub = <&hub_3_0>;
+ reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+ vdd-supply = <®_1v2_usb>;
+ vdd2-supply = <®_3v3_usb>;
+ };
+
+ /* 3.0 hub on port 2 */
+ hub_3_0: hub@2 {
+ compatible = "usb4b4,6506";
+ reg = <2>;
+ peer-hub = <&hub_2_0>;
+ reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+ vdd-supply = <®_1v2_usb>;
+ vdd2-supply = <®_3v3_usb>;
+ };
+ };
--
2.34.1
next prev parent reply other threads:[~2023-06-21 18:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-21 18:04 [PATCH v4 0/3] usb: misc: onboard_usb_hub: add support for Cypress HX3 USB 3.0 family Benjamin Bara
2023-06-21 18:04 ` [PATCH v4 1/3] usb: misc: onboard-hub: support multiple power supplies Benjamin Bara
2023-06-21 18:04 ` [PATCH v4 2/3] usb: misc: onboard-hub: add support for Cypress HX3 USB 3.0 family Benjamin Bara
2023-06-21 18:04 ` Benjamin Bara [this message]
2023-06-22 2:07 ` [PATCH v4 3/3] dt-bindings: usb: Add binding " Rob Herring
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