The I2C Master Hub is a stripped down version of the GENI Serial Engine
QUP Wrapper Controller but only supporting I2C serial engines without
DMA support.
Document the variant compatible, forbid UART and SPI sub-nodes,
and remove requirement for the Master AHB clock and iommu property.
Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
.../devicetree/bindings/soc/qcom/qcom,geni-se.yaml | 44 +++++++++++++++++++---
1 file changed, 38 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
index 2bf5293fc995..ab4df0205285 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
@@ -21,20 +21,19 @@ properties:
compatible:
enum:
- qcom,geni-se-qup
+ - qcom,geni-se-i2c-master-hub
reg:
description: QUP wrapper common register address and length.
maxItems: 1
clock-names:
- items:
- - const: m-ahb
- - const: s-ahb
+ minItems: 1
+ maxItems: 2
clocks:
- items:
- - description: Master AHB Clock
- - description: Slave AHB Clock
+ minItems: 1
+ maxItems: 2
"#address-cells":
const: 2
@@ -81,6 +80,39 @@ patternProperties:
description: GENI Serial Engine based UART Controller.
$ref: /schemas/serial/qcom,serial-geni-qcom.yaml#
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,geni-se-i2c-master-hub
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: s-ahb
+
+ clocks:
+ items:
+ - description: Slave AHB Clock
+
+ iommus: false
+
+ patternProperties:
+ "spi@[0-9a-f]+$": false
+ "serial@[0-9a-f]+$": false
+ else:
+ properties:
+ clock-names:
+ items:
+ - const: m-ahb
+ - const: s-ahb
+
+ clocks:
+ items:
+ - description: Master AHB Clock
+ - description: Slave AHB Clock
+
additionalProperties: false
examples:
--
b4 0.10.1
