Il 15/05/24 12:44, Lorenzo Bianconi ha scritto:
Introduce device-tree binding documentation for Airoha EN7581 PCIe PHY
driver.
Tested-by: Zhengping Zhang <zhengping.zhang@xxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
.../bindings/phy/airoha,en7581-pcie-phy.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml
new file mode 100644
index 000000000000..4ab04b501129
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/airoha,en7581-pcie-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 PCI-Express PHY
+
+maintainers:
+ - Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
+
+description:
+ The PCIe PHY supports physical layer functionality for PCIe Gen2/Gen3 port.
+
+properties:
+ compatible:
+ const: airoha,en7581-pcie-phy
+
+ reg:
+ maxItems: 3
If you have a description for the registers, I'd appreciate seeing that list.
If you don't, and can't retrieve a description, it's still fine, but please
try if you can.
+
+ reg-names:
+ items:
+ - const: csr_2l
Can we please avoid underscores?
Please change this to "csr-2l", after which:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
+ - const: pma0
+ - const: pma1
+
+ "#phy-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/phy/phy.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ phy@11e80000 {
+ compatible = "airoha,en7581-pcie-phy";
+ #phy-cells = <0>;
+ reg = <0x0 0x1fa5a000 0x0 0xfff>,
+ <0x0 0x1fa5b000 0x0 0xfff>,
+ <0x0 0x1fa5c000 0x0 0xfff>;
+ reg-names = "csr_2l", "pma0", "pma1";
+ };
+ };
