linux-kernel - [PATCH 08/10] ARM: dts: stm32: adopt generic iio bindings for adc channels on dhcom

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Message-ID: <20230112104446.1140551-9-olivier.moysan@foss.st.com>
Date:   Thu, 12 Jan 2023 11:44:43 +0100
From:   Olivier Moysan <olivier.moysan@...s.st.com>
To:     Marek Vasut <marex@...x.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC:     Olivier Moysan <olivier.moysan@...s.st.com>,
        <kernel@...electronics.com>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 08/10] ARM: dts: stm32: adopt generic iio bindings for adc channels on dhcom

Use STM32 ADC generic bindings instead of legacy bindings on
DHCOM board.

The STM32 ADC specific binding to declare channels has been deprecated,
hence adopt the generic IIO channels bindings, instead.
The STM32MP151 device tree now exposes internal channels using the
generic binding. This makes the change mandatory here to avoid a mixed
use of legacy and generic binding, which is not supported by the driver.

Signed-off-by: Olivier Moysan <olivier.moysan@...s.st.com>
---
 arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index c06edd2eacb0..343ceaf8cd96 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -82,15 +82,19 @@ &adc {
 	status = "okay";
 
 	adc1: adc@0 {
-		st,min-sample-time-nsecs = <5000>;
-		st,adc-channels = <0>;
 		status = "okay";
+		channel@0 {
+			reg = <0>;
+			st,min-sample-time-ns = <5000>;
+		};
 	};
 
 	adc2: adc@100 {
-		st,adc-channels = <1>;
-		st,min-sample-time-nsecs = <5000>;
 		status = "okay";
+		channel@1 {
+			reg = <1>;
+			st,min-sample-time-ns = <5000>;
+		};
 	};
 };
 
-- 
2.25.1