From cdbaba8d72dd68bab1185fe121f64bbf2d71eac2 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 24 Sep 2021 10:46:43 -0300 Subject: [PATCH] ARM: dts: imx6qdl-apalis: Pass 'io-channel-cells' to the ADC The STMPE811 ADC on the Apalis SoM board can be used as a provider of ADC capabilities to other devices, for example, when a custom baseboard has an SN74LV4051 analog mux. Pass the 'io-channel-cells' parameter to indicate such possibility. While at it, also pass a label for the adc device, so that it can be referenced in the custom baseboard. Signed-off-by: Fabio Estevam Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6qdl-apalis.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi index 7c6d9c75d2bf1..4092af5f6999c 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi @@ -330,10 +330,11 @@ st,touch-det-delay = <5>; }; - stmpe-adc { + stmpe_adc: stmpe-adc { compatible = "st,stmpe-adc"; /* forbid to use ADC channels 3-0 (touch) */ st,norequest-mask = <0x0F>; + #io-channel-cells = <1>; }; }; }; -- 2.30.2