Re: [PATCH v5 02/10] arm64: dts: imx8-ss-dma: add io-channel-cells to adc nodes

From: Alexander Stein
Date: Tue Jan 31 2023 - 10:02:24 EST


Hi Marcel,

Am Donnerstag, 26. Januar 2023, 12:08:25 CET schrieb Marcel Ziswiler:
> From: Max Krummenacher <max.krummenacher@xxxxxxxxxxx>
>
> This commit adds io-channel-cells property to the ADC nodes. This
> property is required in order for an IIO consumer driver to work.
> Especially required for Apalis iMX8 QM, as the touchscreen driver
> uses ADC channels with the ADC driver based on IIO framework.
>
> Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx>
> Signed-off-by: Max Krummenacher <max.krummenacher@xxxxxxxxxxx>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>

Yep, that's even required per bindings.
Acked-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>

> ---
>
> (no changes since v3)
>
> Changes in v3:
> - Fix subject as pointed out by Shawn. Thanks!
>
> arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
> b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi index
> a943a1e2797f..6e5ef8b69bf8 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
> @@ -270,6 +270,7 @@ i2c3: i2c@5a830000 {
>
> adc0: adc@5a880000 {
> compatible = "nxp,imx8qxp-adc";
> + #io-channel-cells = <1>;
> reg = <0x5a880000 0x10000>;
> interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
> interrupt-parent = <&gic>;
> @@ -284,6 +285,7 @@ adc0: adc@5a880000 {
>
> adc1: adc@5a890000 {
> compatible = "nxp,imx8qxp-adc";
> + #io-channel-cells = <1>;
> reg = <0x5a890000 0x10000>;
> interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>;
> interrupt-parent = <&gic>;