linux-kernel - [PATCH 2/3] dt-bindings: iio: adc: mcp3911: add reset-gpios

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]

Message-Id: <20250423-mcp3911-fixes-v1-2-5bd0b68ec481@gmail.com>
Date: Wed, 23 Apr 2025 16:46:50 +0200
From: Marcus Folkesson <marcus.folkesson@...il.com>
To: Kent Gustavsson <kent@...oris.se>, Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Kent Gustavsson <nedo80@...il.com>, devicetree@...r.kernel.org, 
 Marcus Folkesson <marcus.folkesson@...il.com>, 
 Lukas Rauber <lukas.rauber@...itza.de>
Subject: [PATCH 2/3] dt-bindings: iio: adc: mcp3911: add reset-gpios

The MCP391X family provides an active low reset signal that is still not
described in the bindings.

Add reset-gpios to the bindings and the example.

Co-developed-by: Lukas Rauber <lukas.rauber@...itza.de>
Signed-off-by: Lukas Rauber <lukas.rauber@...itza.de>
Signed-off-by: Marcus Folkesson <marcus.folkesson@...il.com>
---
 Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
index 06951ec5f5da381a9bb942d0ac7416128eebd3bc..3a69ec60edb915ae16312b94fddd32f5c87f37a7 100644
--- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
@@ -32,6 +32,9 @@ properties:
   spi-max-frequency:
     maximum: 20000000
 
+  reset-gpios:
+    maxItems: 1
+
   clocks:
     description: |
       Phandle and clock identifier for external sampling clock.
@@ -71,6 +74,7 @@ unevaluatedProperties: false
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     spi {
       #address-cells = <1>;
       #size-cells = <0>;
@@ -80,6 +84,7 @@ examples:
         reg = <0>;
         interrupt-parent = <&gpio5>;
         interrupts = <15 2>;
+        reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
         spi-max-frequency = <20000000>;
         microchip,device-addr = <0>;
         vref-supply = <&vref_reg>;

-- 
2.49.0