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Message-Id: <20250905065503.3022107-1-primoz.fiser@norik.com>
Date: Fri, 5 Sep 2025 08:55:02 +0200
From: Primoz Fiser <primoz.fiser@...ik.com>
To: Peter Rosin <peda@...ntia.se>,
Jonathan Cameron <jic23@...nel.org>,
David Lechner <dlechner@...libre.com>,
Nuno Sa <nuno.sa@...log.com>,
Andy Shevchenko <andy@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>
Cc: linux-iio@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
upstream@...ts.phytec.de
Subject: [PATCH v2 1/2] dt-bindings: iio: afe: current-sense-amplifier: Add io-channel-cells
The current-sense-amplifier is an IIO provider thus can be referenced by
IIO consumers (via "io-channels" property in consumer device node). Such
provider is required to describe number of cells used in phandle lookup
with "io-channel-cells" property.
Signed-off-by: Primoz Fiser <primoz.fiser@...ik.com>
---
Changes in v2:
- refactor commit msg drop warnings introduced by commit #2
- drop Fixes: tag
Link to v1: https://lore.kernel.org/all/20250903113700.3079626-1-primoz.fiser@norik.com/
.../devicetree/bindings/iio/afe/current-sense-amplifier.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.yaml b/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.yaml
index 527501c1d695..bcf4ddcfd13b 100644
--- a/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.yaml
+++ b/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.yaml
@@ -24,6 +24,9 @@ properties:
description: |
Channel node of a voltage io-channel.
+ "#io-channel-cells":
+ const: 0
+
sense-resistor-micro-ohms:
description: The sense resistance.
@@ -46,6 +49,7 @@ examples:
- |
sysi {
compatible = "current-sense-amplifier";
+ #io-channel-cells = <0>;
io-channels = <&tiadc 0>;
sense-resistor-micro-ohms = <20000>;
--
2.34.1
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