[PATCH 5.10.y-cip 12/13] dt-bindings: iio: adc: Document Renesas RZ/G2UL ADC


Biju Das
 

commit 153415feda2eec936e29be6d1e7f74375c5d6d0d upstream.

Document Renesas RZ/G2UL ADC bindings. RZ/G2UL ADC is almost identical
to RZ/G2L, but it has 2 analog input channels compared to 8 channels
on the RZ/G2L.

Signed-off-by: Biju Das <biju.das.jz@...>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...>
Acked-by: Rob Herring <robh@...>
Link: https://lore.kernel.org/r/20220515060337.16513-2-biju.das.jz@bp.renesas.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...>
Signed-off-by: Biju Das <biju.das.jz@...>
---
.../bindings/iio/adc/renesas,rzg2l-adc.yaml | 28 ++++++++++++++++---
1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
index d66c24cae1e1..61c6157cf5a9 100644
--- a/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
@@ -19,6 +19,7 @@ properties:
compatible:
items:
- enum:
+ - renesas,r9a07g043-adc # RZ/G2UL
- renesas,r9a07g044-adc # RZ/G2L
- renesas,r9a07g054-adc # RZ/V2L
- const: renesas,rzg2l-adc
@@ -76,16 +77,35 @@ patternProperties:
properties:
reg:
description: |
- The channel number. It can have up to 8 channels numbered from 0 to 7.
- items:
- - minimum: 0
- maximum: 7
+ The channel number.

required:
- reg

additionalProperties: false

+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,r9a07g043-adc
+ then:
+ patternProperties:
+ "^channel@[2-7]$": false
+ "^channel@[0-1]$":
+ properties:
+ reg:
+ minimum: 0
+ maximum: 1
+ else:
+ patternProperties:
+ "^channel@[0-7]$":
+ properties:
+ reg:
+ minimum: 0
+ maximum: 7
+
additionalProperties: false

examples:
--
2.25.1