From: Marcus Folkesson <marcus.folkesson@gmail.com>
Date: Mon, 28 Apr 2025 06:54:12 +0000 (+0200)
Subject: dt-bindings: iio: adc: mcp3911: add reset-gpios
X-Git-Tag: v6.16-rc1~30^2~4^2~36
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=94264cc9abbbec29c261bcb94aaaaa32e1535595;p=thirdparty%2Fkernel%2Fstable.git

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@janitza.de>
Signed-off-by: Lukas Rauber <lukas.rauber@janitza.de>
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250428-mcp3911-fixes-v2-2-406e39330c3d@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
index 06951ec5f5da3..3a69ec60edb91 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>;