[RFC 1/2] dt-bindings: clk: versaclock5: Add load capacitance properties

Adam Ford
2021-01-06T17:40:00Z

There are two registers which can set the load capacitance for
XTAL1 and XTAL2. These are optional registers when using an
external crystal. Update the bindings to support them.

Signed-off-by: Adam Ford <aford173@gmail.com>
---
.../devicetree/bindings/clock/idt,versaclock5.yaml | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/idt,versaclock5.yaml b/Documentation/devicetree/bindings/clock/idt,versaclock5.yaml
index 2ac1131fd922..e5e55ffb266e 100644
--- a/Documentation/devicetree/bindings/clock/idt,versaclock5.yaml
+++ b/Documentation/devicetree/bindings/clock/idt,versaclock5.yaml
@@ -59,6 +59,18 @@ properties:
minItems: 1
maxItems: 2

+ idt,xtal1-load-femtofarads:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 9000
+ maximum: 25000
+ description: Optional loading capacitor for XTAL1
+
+ idt,xtal2-load-femtofarads:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 9000
+ maximum: 25000
+ description: Optional loading capacitor for XTAL2
+
patternProperties:
"^OUT[1-4]$":
type: object
--
2.25.1