linux-kernel - [PATCH v3 1/2] dt-bindings: spmi: Add qcom,bus-id

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Message-Id: <20220201134108.2677578-2-vkoul@kernel.org>
Date:   Tue,  1 Feb 2022 19:11:07 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        David Collins <quic_collinsd@...cinc.com>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        David Dai <daidavid1@...eaurora.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: spmi: Add qcom,bus-id

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>
---
 .../devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml  | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.yaml
index 55d379c85fd9..cf17301fbb62 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
@@ -116,5 +124,8 @@ examples:
 
         interrupt-controller;
         #interrupt-cells = <4>;
+
+        qcom,bus-id = <0>;
+
     };
 
-- 
2.31.1