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Date: Mon, 7 Sep 2020 18:11:18 +0200 From: Krzysztof Kozlowski <krzk@...nel.org> To: Kukjin Kim <kgene@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, Rob Herring <robh+dt@...nel.org>, Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, Peter Meerwald-Stadler <pmeerw@...erw.net>, Jonathan Bakker <xc-racer2@...e.ca>, Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>, linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org Subject: [PATCH 02/25] dt-bindings: iio: adc: exynos-adc: require second interrupt with touch screen The ADC in S3C/S5P/Exynos SoCs can be used also for handling touch screen. In such case the second interrupt is required. This second interrupt can be anyway provided, even without touch screens. This fixes dtbs_check warnings like: arch/arm/boot/dts/s5pv210-aquila.dt.yaml: adc@...00000: interrupts: [[23], [24]] is too long Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org> --- .../bindings/iio/adc/samsung,exynos-adc.yaml | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml index cc3c8ea6a894..89b4f9c252a6 100644 --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml @@ -41,7 +41,10 @@ properties: maxItems: 2 interrupts: - maxItems: 1 + description: + ADC interrupt followed by optional touchscreen interrupt. + minItems: 1 + maxItems: 2 "#io-channel-cells": const: 1 @@ -107,6 +110,16 @@ allOf: items: - const: adc + - if: + properties: + has-touchscreen: + true + then: + properties: + interrupts: + minItems: 2 + maxItems: 2 + examples: - | adc: adc@...10000 { -- 2.17.1
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