[PATCH v2 9/9] ARM: dts: stm32: Update to generic ADC channel binding on DHSOM systems

From: Olivier Moysan
Date: Tue May 30 2023 - 09:50:57 EST


From: Marek Vasut <marex@xxxxxxx>

The generic ADC channel binding is recommended over legacy one, update the
DT to the modern binding. No functional change. For further details, see
commit which adds the generic binding to STM32 ADC binding document:
'664b9879f56e ("dt-bindings: iio: stm32-adc: add generic channel binding")'

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 18 +++++----
.../boot/dts/stm32mp15xx-dhcor-avenger96.dtsi | 38 +++++++++++++++----
2 files changed, 40 insertions(+), 16 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index c06edd2eacb0..e61df23d361a 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -80,17 +80,19 @@ &adc {
vdda-supply = <&vdda>;
vref-supply = <&vdda>;
status = "okay";
+};

- adc1: adc@0 {
- st,min-sample-time-nsecs = <5000>;
- st,adc-channels = <0>;
- status = "okay";
+&adc1 {
+ 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";
+&adc2 {
+ channel@1 {
+ reg = <1>;
+ st,min-sample-time-ns = <5000>;
};
};

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
index cdd4902b59a9..0069ad75d55e 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi
@@ -111,17 +111,39 @@ &adc {
vdda-supply = <&vdda>;
vref-supply = <&vdda>;
status = "okay";
+};

- adc1: adc@0 {
- st,adc-channels = <0 1 6>;
- st,min-sample-time-nsecs = <5000>;
- status = "okay";
+&adc1 {
+ channel@0 {
+ reg = <0>;
+ st,min-sample-time-ns = <5000>;
};

- adc2: adc@100 {
- st,adc-channels = <0 1 2>;
- st,min-sample-time-nsecs = <5000>;
- status = "okay";
+ channel@1 {
+ reg = <1>;
+ st,min-sample-time-ns = <5000>;
+ };
+
+ channel@6 {
+ reg = <6>;
+ st,min-sample-time-ns = <5000>;
+ };
+};
+
+&adc2 {
+ channel@0 {
+ reg = <0>;
+ st,min-sample-time-ns = <5000>;
+ };
+
+ channel@1 {
+ reg = <1>;
+ st,min-sample-time-ns = <5000>;
+ };
+
+ channel@2 {
+ reg = <2>;
+ st,min-sample-time-ns = <5000>;
};
};

--
2.25.1