linux-kernel - [PATCH v4 05/11] dt-bindings: mfd: qcom-pm8xxx: document qcom,pm8921 as fallback of qcom,pm8018

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Date:   Fri, 21 Oct 2022 11:06:41 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>,
        Satya Priya <quic_c_skakit@...cinc.com>,
        Lee Jones <lee@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andy Gross <agross@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        linux-input@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        devicetree@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Rob Herring <robh@...nel.org>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 05/11] dt-bindings: mfd: qcom-pm8xxx: document qcom,pm8921 as
 fallback of qcom,pm8018

The PM8018 is used as compatible with PM8921 on the MDM9615, document this situation,
and an example section to validate this change.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 .../devicetree/bindings/mfd/qcom-pm8xxx.yaml       | 33 ++++++++++++++++++----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.yaml b/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.yaml
index 61bd0b3ce02f..84b87f01e029 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.yaml
+++ b/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.yaml
@@ -15,11 +15,15 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - qcom,pm8018
-      - qcom,pm8058
-      - qcom,pm8821
-      - qcom,pm8921
+    oneOf:
+      - enum:
+          - qcom,pm8058
+          - qcom,pm8821
+          - qcom,pm8921
+      - items:
+          - enum:
+              - qcom,pm8018
+          - const: qcom,pm8921
 
   reg:
     maxItems: 1
@@ -52,4 +56,23 @@ required:
   - interrupt-controller
 
 additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    ssbi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      pmic@0 {
+        compatible = "qcom,pm8921";
+        reg = <0>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+
+        interrupt-parent = <&tlmm>;
+        interrupts = <32 IRQ_TYPE_EDGE_RISING>;
+      };
+    };
 ...

-- 
b4 0.10.1