2021-11-20 00:16:33

by Leo Li

[permalink] [raw]
Subject: [PATCH 1/4] dt-bindings: pci: layerscape-pci: Add a optional property big-endian

From: Hou Zhiqiang <[email protected]>

This property is to indicate the endianness when accessing the
PEX_LUT and PF register block, so if these registers are
implemented in big-endian, specify this property.

Signed-off-by: Hou Zhiqiang <[email protected]>
Acked-by: Rob Herring <[email protected]>
---
Documentation/devicetree/bindings/pci/layerscape-pci.txt | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt b/Documentation/devicetree/bindings/pci/layerscape-pci.txt
index f36efa73a470..215d2ee65c83 100644
--- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt
+++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt
@@ -40,6 +40,10 @@ Required properties:
of the data transferred from/to the IP block. This can avoid the software
cache flush/invalid actions, and improve the performance significantly.

+Optional properties:
+- big-endian: If the PEX_LUT and PF register block is in big-endian, specify
+ this property.
+
Example:

pcie@3400000 {
--
2.25.1