dt-bindings: Remove cases of 'allOf' containing a '$ref'

json-schema versions draft7 and earlier have a weird behavior in that
any keywords combined with a '$ref' are ignored (silently). The correct
form was to put a '$ref' under an 'allOf'. This behavior is now changed
in the 2019-09 json-schema spec and '$ref' can be mixed with other
keywords. The json-schema library doesn't yet support this, but the
tooling now does a fixup for this and either way works.

This has been a constant source of review comments, so let's change this
treewide so everyone copies the simpler syntax.

Scripted with ruamel.yaml with some manual fixups. Some minor whitespace
changes from the script.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de> # for I2C
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio
Reviewed-by: Stephen Boyd <sboyd@kernel.org> # clock
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 4 insertions, 7 deletions

diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml
index a15787e504f0..de513fe333a7 100644
--- a/Documentation/devicetree/bindings/eeprom/at24.yaml
+++ b/Documentation/devicetree/bindings/eeprom/at24.yaml
@@ -118,14 +118,13 @@ properties:
     maxItems: 1
 
   pagesize:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
     description:
       The length of the pagesize for writing. Please consult the
       manual of your device, that value varies a lot. A wrong value
       may result in data loss! If not specified, a safety value of
       '1' is used which will be very slow.
-    enum: [ 1, 8, 16, 32, 64, 128, 258 ]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 8, 16, 32, 64, 128, 258]
     default: 1
 
   read-only:
@@ -148,18 +147,16 @@ properties:
   wp-gpios: true
 
   address-width:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
     description:
       Number of address bits.
+    $ref: /schemas/types.yaml#/definitions/uint32
     default: 8
     enum: [ 8, 16 ]
 
   num-addresses:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
     description:
       Total number of i2c slave addresses this device takes.
+    $ref: /schemas/types.yaml#/definitions/uint32
     default: 1
     minimum: 1
     maximum: 8