linux-kernel - [PATCH v3 2/6] dt-binding: phy: Add iMX8MP PCIe PHY binding

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Date:   Thu, 18 Aug 2022 15:02:29 +0800
From:   Richard Zhu <hongxing.zhu@....com>
To:     p.zabel@...gutronix.de, l.stach@...gutronix.de,
        bhelgaas@...gle.com, lorenzo.pieralisi@....com, robh@...nel.org,
        shawnguo@...nel.org, vkoul@...nel.org,
        alexander.stein@...tq-group.com, marex@...x.de
Cc:     linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        linux-imx@....com, Richard Zhu <hongxing.zhu@....com>
Subject: [PATCH v3 2/6] dt-binding: phy: Add iMX8MP PCIe PHY binding

Add i.MX8MP PCIe PHY binding.

Signed-off-by: Richard Zhu <hongxing.zhu@....com>
---
 .../bindings/phy/fsl,imx8-pcie-phy.yaml          | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml
index b6421eedece3..692783c7fd69 100644
--- a/Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8-pcie-phy.yaml
@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - fsl,imx8mm-pcie-phy
+      - fsl,imx8mp-pcie-phy
 
   reg:
     maxItems: 1
@@ -28,11 +29,16 @@ properties:
       - const: ref
 
   resets:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
 
   reset-names:
-    items:
-      - const: pciephy
+    oneOf:
+      - items:          # for iMX8MM
+          - const: pciephy
+      - items:          # for IMX8MP
+          - const: pciephy
+          - const: perst
 
   fsl,refclk-pad-mode:
     description: |
@@ -60,6 +66,10 @@ properties:
     description: A boolean property indicating the CLKREQ# signal is
       not supported in the board design (optional)
 
+  power-domains:
+    description: PCIe PHY  power domain (optional).
+    maxItems: 1
+
 required:
   - "#phy-cells"
   - compatible
-- 
2.25.1