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-rw-r--r--Documentation/devicetree/bindings/serial/8250.yaml47
1 files changed, 41 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index 33d2016b6509..e46bee8d25bf 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -45,10 +45,28 @@ allOf:
- ns16550
- ns16550a
then:
- anyOf:
+ oneOf:
- required: [ clock-frequency ]
- required: [ clocks ]
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: nxp,lpc1850-uart
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: uartclk
+ - const: reg
+ else:
+ properties:
+ clock-names:
+ items:
+ - const: core
+ - const: bus
+
properties:
compatible:
oneOf:
@@ -142,9 +160,22 @@ properties:
clock-names:
minItems: 1
- items:
- - const: core
- - const: bus
+ maxItems: 2
+ oneOf:
+ - items:
+ - const: core
+ - const: bus
+ - items:
+ - const: uartclk
+ - const: reg
+
+ dmas:
+ minItems: 1
+ maxItems: 4
+
+ dma-names:
+ minItems: 1
+ maxItems: 4
resets:
maxItems: 1
@@ -237,9 +268,13 @@ if:
properties:
compatible:
contains:
- const: spacemit,k1-uart
+ enum:
+ - spacemit,k1-uart
+ - nxp,lpc1850-uart
then:
- required: [clock-names]
+ required:
+ - clocks
+ - clock-names
properties:
clocks:
minItems: 2