linux-kernel - [PATCH v2 2/2] dt-bindings: usb: tps6598x: add reset-gpios property

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Message-Id: <20230912-topic-tps6598x_reset-v2-2-02a12e2ec50a@wolfvision.net>
Date:   Fri, 15 Sep 2023 14:23:49 +0200
From:   Javier Carrasco <javier.carrasco@...fvision.net>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Javier Carrasco <javier.carrasco@...fvision.net>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 2/2] dt-bindings: usb: tps6598x: add reset-gpios
 property

The TPS6598x device family provides a high-level reset pin. It can be
either grounded or used to reinitialize all device settings.

Document the reset GPIO as an optional property and add it to the
existing example.

Signed-off-by: Javier Carrasco <javier.carrasco@...fvision.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/usb/ti,tps6598x.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
index 5497a60cddbc..b1a621e06127 100644
--- a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
@@ -23,6 +23,10 @@ properties:
   reg:
     maxItems: 1
 
+  reset-gpios:
+    description: GPIO used for the HRESET pin.
+    maxItems: 1
+
   wakeup-source: true
 
   interrupts:
@@ -40,6 +44,7 @@ additionalProperties: true
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     #include <dt-bindings/interrupt-controller/irq.h>
     i2c {
         #address-cells = <1>;
@@ -56,6 +61,7 @@ examples:
 
             pinctrl-names = "default";
             pinctrl-0 = <&typec_pins>;
+            reset-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
 
             typec_con: connector {
                 compatible = "usb-c-connector";

-- 
2.39.2