linux-kernel - [PATCH v2] dt-bindings: spi: zynqmp-qspi: Add power-domains and iommus properties

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Message-ID: <2afed7285061abbb5d9ad3b1e795b737dcff9693.1683102032.git.michal.simek@amd.com>
Date:   Wed, 3 May 2023 10:20:36 +0200
From:   Michal Simek <michal.simek@....com>
To:     <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
        <michal.simek@...inx.com>, <git@...inx.com>
CC:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-spi@...r.kernel.org>
Subject: [PATCH v2] dt-bindings: spi: zynqmp-qspi: Add power-domains and iommus properties

ZynqMP QSPI IP core has own power domain and also iommu ID that's why
describe optional power-domains and iommus properties.

Signed-off-by: Michal Simek <michal.simek@....com>
---

Changes in v2:
- rewrite commit message - requested by Krzysztof

The commit 8ac47837f0e0 ("arm64: dts: zynqmp: Add missing iommu IDs") and
the commit 959b86ae37c6 ("arm64: dts: xilinx: Add the power nodes for
zynqmp") described these properties long time ago in Linux that's why the
patch is also fixing dts_check warnings.

---
 Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
index 20f77246d365..226d8b493b57 100644
--- a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
@@ -32,6 +32,12 @@ properties:
   clocks:
     maxItems: 2
 
+  iommus:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.36.1