[PATCH v2 15/21] dt-bindings: i2c: document support for SA8255p

[Nikunj Kela]

Add compatible representing i2c support on SA8255p.

Clocks and interconnects are being configured in Firmware VM
on SA8255p, therefore making them optional.

CC: Praveen Talari <quic_ptalari@xxxxxxxxxxx>
Signed-off-by: Nikunj Kela <quic_nkela@xxxxxxxxxxx>
---
 .../bindings/i2c/qcom,i2c-geni-qcom.yaml      | 33 +++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
index 9f66a3bb1f80..b477fae734b6 100644
--- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
@@ -15,6 +15,7 @@ properties:
     enum:
       - qcom,geni-i2c
       - qcom,geni-i2c-master-hub
+      - qcom,sa8255p-geni-i2c
 
   clocks:
     minItems: 1
@@ -69,8 +70,6 @@ properties:
 required:
   - compatible
   - interrupts
-  - clocks
-  - clock-names
   - reg
 
 allOf:
@@ -81,6 +80,10 @@ allOf:
           contains:
             const: qcom,geni-i2c-master-hub
     then:
+      required:
+        - clocks
+        - clock-names
+
       properties:
         clocks:
           minItems: 2
@@ -100,7 +103,21 @@ allOf:
           items:
             - const: qup-core
             - const: qup-config
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,sa8255p-geni-i2c
+    then:
+      required:
+        - power-domains
+
     else:
+      required:
+        - clocks
+        - clock-names
+
       properties:
         clocks:
           maxItems: 1
@@ -143,4 +160,16 @@ examples:
         power-domains = <&rpmhpd SC7180_CX>;
         required-opps = <&rpmhpd_opp_low_svs>;
     };
+
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    i2c@a90000 {
+        compatible = "qcom,sa8255p-geni-i2c";
+        reg = <0xa90000 0x4000>;
+        interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        power-domains = <&scmi9_pd 11>;
+    };
 ...
-- 
2.34.1