linux-kernel - [PATCH v5 1/2] dt-bindings: spmi: Add qcom,bus-id

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Message-Id: <20220914165212.3705892-2-vkoul@kernel.org>
Date:   Wed, 14 Sep 2022 22:22:11 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <andersson@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: [PATCH v5 1/2] dt-bindings: spmi: Add qcom,bus-id

For PMIC arbiter version 7 and beyond we need to define if we are using
primary or secondary bus, so add a new property of qcom,bus-id

Signed-off-by: Vinod Koul <vkoul@...nel.org>
Acked-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml   | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml
index fee4f0eb4665..f983b4af6db9 100644
--- a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml
+++ b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml
@@ -85,6 +85,14 @@ properties:
     description: >
       which of the PMIC Arb provided channels to use for accesses
 
+  qcom,bus-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 1
+    description: >
+      SPMI bus instance. only applicable to PMIC arbiter version 7 and beyond.
+      Supported values, 0 = primary bus, 1 = secondary bus
+
 required:
   - compatible
   - reg-names
@@ -113,5 +121,7 @@ examples:
 
         interrupt-controller;
         #interrupt-cells = <4>;
+
+        qcom,bus-id = <0>;
     };
 
-- 
2.37.3