linux-kernel - [v3 2/2] dt-bindings: iio: adc: Remove the property "aspeed,trim-data-valid"

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Date:   Mon, 14 Nov 2022 10:50:57 +0800
From:   Billy Tsai <billy_tsai@...eedtech.com>
To:     <jic23@...nel.org>, <lars@...afoo.de>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <joel@....id.au>,
        <andrew@...id.au>, <billy_tsai@...eedtech.com>,
        <linmq006@...il.com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
CC:     Rob Herring <robh@...nel.org>
Subject: [v3 2/2] dt-bindings: iio: adc: Remove the property "aspeed,trim-data-valid"

If the property is set on a device without valid trimming data in the OTP
the ADC will not function correctly. Therefore, this patch drops the use
of this property to avoid this scenario.

Fixes: 2bdb2f00a895 ("dt-bindings: iio: adc: Add ast2600-adc bindings")
Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml    | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
index b283c8ca2bbf..5c08d8b6e995 100644
--- a/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/aspeed,ast2600-adc.yaml
@@ -62,13 +62,6 @@ properties:
     description:
       Inform the driver that last channel will be used to sensor battery.
 
-  aspeed,trim-data-valid:
-    type: boolean
-    description: |
-      The ADC reference voltage can be calibrated to obtain the trimming
-      data which will be stored in otp. This property informs the driver that
-      the data store in the otp is valid.
-
 required:
   - compatible
   - reg
-- 
2.25.1