Thread (21 messages) 21 messages, 7 authors, 2022-08-29

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

From: Rob Herring <robh@kernel.org>
Date: 2022-08-22 18:07:20
Also in: linux-devicetree, linux-pci, linux-phy, lkml

On Thu, Aug 18, 2022 at 03:02:29PM +0800, Richard Zhu wrote:
Add i.MX8MP PCIe PHY binding.
Explain the differences in h/w. The phy is connected to PERST#?
quoted hunk ↗ jump to hunk
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.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
This does the same thing:

minItems: 1
items:
  - const: pciephy
  - const: perst

quoted hunk ↗ jump to hunk
 
   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
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