linux-kernel - [PATCH 1/2] dt-bindings: HID: i2c-hid: Document reset-related properties

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Thu, 25 Jan 2024 19:55:13 -0800
From: Bjorn Andersson <quic_bjorande@...cinc.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring
	<robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Jiri Kosina
	<jikos@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-input@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Konrad Dybcio
	<konrad.dybcio@...ainline.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson <quic_bjorande@...cinc.com>
Subject: [PATCH 1/2] dt-bindings: HID: i2c-hid: Document reset-related
 properties

Some I2C HID devices has a reset pin and requires that some specified
time elapses after this reset pin is deasserted, before communication
with the device is attempted.

The Linux implementation is looking for these in the "reset-gpios" and
"post-reset-deassert-delay-ms" properties already, so use these property
names.

Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
---
 Documentation/devicetree/bindings/input/hid-over-i2c.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/hid-over-i2c.yaml b/Documentation/devicetree/bindings/input/hid-over-i2c.yaml
index 138caad96a29..f07ff4cb3d26 100644
--- a/Documentation/devicetree/bindings/input/hid-over-i2c.yaml
+++ b/Documentation/devicetree/bindings/input/hid-over-i2c.yaml
@@ -50,6 +50,12 @@ properties:
     description: Time required by the device after enabling its regulators
       or powering it on, before it is ready for communication.
 
+  post-reset-deassert-delay-ms:
+    description: Time required by the device after reset has been deasserted,
+      before it is ready for communication.
+
+  reset-gpios: true
+
   touchscreen-inverted-x: true
 
   touchscreen-inverted-y: true

-- 
2.25.1