linux-kernel - [PATCH v2] dt-bindings: eeprom/at24: Add samsung,s524ad0xd1 compatible

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Message-Id: <20220426175938.2262966-1-robh@kernel.org>
Date:   Tue, 26 Apr 2022 12:59:39 -0500
From:   Rob Herring <robh@...nel.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: [PATCH v2] dt-bindings: eeprom/at24: Add samsung,s524ad0xd1 compatible

The samsung,s524ad0xd1 compatible is in use, but not documented. According
to arch/arm/mach-s3c/mach-smdk6410.c, the samsung,s524ad0xd1 is compatible
with the 24c128. As the schema requires a fallback compatible to the
corresponding Atmel compatible, 'atmel,24c128' is added as a fallback.

Signed-off-by: Rob Herring <robh@...nel.org>
---
v2:
 - Fix the example in samsung,s3c2410-i2c.yaml

 Documentation/devicetree/bindings/eeprom/at24.yaml            | 4 +++-
 .../devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml          | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml
index 6b61a8cf6137..d14e0accbda8 100644
--- a/Documentation/devicetree/bindings/eeprom/at24.yaml
+++ b/Documentation/devicetree/bindings/eeprom/at24.yaml
@@ -120,7 +120,9 @@ properties:
           - const: giantec,gt24c32a
           - const: atmel,24c32
       - items:
-          - const: renesas,r1ex24128
+          - enum:
+              - renesas,r1ex24128
+              - samsung,s524ad0xd1
           - const: atmel,24c128
 
   label:
diff --git a/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml b/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml
index c26230518957..3d5782deb97d 100644
--- a/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/samsung,s3c2410-i2c.yaml
@@ -123,7 +123,7 @@ examples:
         samsung,i2c-slave-addr = <0x66>;
 
         eeprom@50 {
-            compatible = "samsung,s524ad0xd1";
+            compatible = "samsung,s524ad0xd1", "atmel,24c128";
             reg = <0x50>;
         };
     };
-- 
2.34.1