linux-kernel - [PATCH 5/5] dt-bindings: iio: adc: samsung,exynos: Drop touchscreen support

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Message-Id: <20250830-s3c-cleanup-adc-v1-5-de54dfb1d9ea@linaro.org>
Date: Sat, 30 Aug 2025 13:09:42 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 5/5] dt-bindings: iio: adc: samsung,exynos: Drop
 touchscreen support

With last user of touchscreen via ADC (S3C24xx SoC) gone, drop the
unused has-touchscreen property and optional touchscreen interrupt.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/iio/adc/samsung,exynos-adc.yaml          | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
index 73d7ba0fda1def433a97d10bce21e762a307e36c..0654f8972525bf67089fe7fd4f3ab3ff506515c3 100644
--- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
@@ -42,10 +42,7 @@ properties:
     maxItems: 2
 
   interrupts:
-    description:
-      ADC interrupt followed by optional touchscreen interrupt.
-    minItems: 1
-    maxItems: 2
+    maxItems: 1
 
   "#io-channel-cells":
     const: 1
@@ -58,11 +55,6 @@ properties:
       Phandle to the PMU system controller node (to access the ADC_PHY
       register on Exynos3250/4x12/5250/5420/5800).
 
-  has-touchscreen:
-    description:
-      If present, indicates that a touchscreen is connected and usable.
-    type: boolean
-
 required:
   - compatible
   - reg
@@ -113,15 +105,6 @@ allOf:
           items:
             - const: adc
 
-  - if:
-      required:
-        - has-touchscreen
-    then:
-      properties:
-        interrupts:
-          minItems: 2
-          maxItems: 2
-
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>

-- 
2.48.1