Thread (6 messages) 6 messages, 4 authors, 2020-05-29

Re: [PATCH] dt-bindings: input: touchscreen: edt-ft5x06: change reg property

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2020-05-20 17:13:32
Also in: linux-arm-kernel, linux-devicetree, linux-rockchip, lkml

Hi Johan,

On Wed, May 20, 2020 at 09:33:27AM +0200, Johan Jonker wrote:
quoted hunk ↗ jump to hunk
A test with the command below gives this error:

arch/arm/boot/dts/rk3188-bqedison2qc.dt.yaml:
touchscreen@3e: reg:0:0: 56 was expected

The touchscreen chip on 'rk3188-bqedison2qc' and other BQ models
was shipped with different addresses then the binding currently allows.
Change the reg property that any address will pass.

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/input/touchscreen/
edt-ft5x06.yaml

Signed-off-by: Johan Jonker <redacted>
---
 Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
index 383d64a91..baa8e8f7e 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
@@ -42,7 +42,7 @@ properties:
       - focaltech,ft6236
 
   reg:
-    const: 0x38
+    maxItems: 1
Should we have a list of valid addresses instead of allowing any
address? Controllers usually have only a couple of addresses that they
support.

Thanks.

-- 
Dmitry
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