On Fri, Feb 02, 2024 at 03:24:20PM -0600, Rob Herring wrote:

On Thu, Feb 01, 2024 at 09:52:20PM +0000, Daniel Golle wrote:

quoted

Add bindings for the MediaTek XFI T-PHY Ethernet SerDes PHY found in the
MediaTek MT7988 SoC which can operate at various interfaces modes:

This is v4 unless I'm confused[1]. Where's the revision history?

It's a new series only covering the XFI T-PHY driver.
However, I should have written a cover letter referencing the previous
series to netdev. Sorry for that and thank you for pointing it out.

Rob

[1] https://lore.kernel.org/all/b875f693f6d4367a610a12ef324584f3bf3a1c1c.1702352117.git.daniel@makrotopia.org/ (local)

quoted

via USXGMII PCS:
 * USXGMII
 * 10GBase-R
 * 5GBase-R

via LynxI SGMII PCS:
 * 2500Base-X
 * 1000Base-X
 * Cisco SGMII (MAC side)

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
 .../bindings/phy/mediatek,xfi-tphy.yaml       | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,xfi-tphy.yaml

diff --git a/Documentation/devicetree/bindings/phy/mediatek,xfi-tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,xfi-tphy.yaml
new file mode 100644
index 0000000000000..e897118dcf7e6
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mediatek,xfi-tphy.yaml

@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mediatek,xfi-tphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek XFI T-PHY
+
+maintainers:
+  - Daniel Golle <daniel@makrotopia.org>
+
+description:
+  The MediaTek XFI SerDes T-PHY provides the physical SerDes lanes
+  used by the (10G/5G) USXGMII PCS and (1G/2.5G) LynxI PCS found in
+  MediaTek's 10G-capabale SoCs.
+
+properties:
+  $nodename:
+    pattern: "^phy@[0-9a-f]+$"
+
+  compatible:
+    const: mediatek,mt7988-xfi-tphy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: XFI PHY clock
+      - description: XFI register clock
+
+  clock-names:
+    items:
+      - const: xfipll
+      - const: topxtal
+
+  resets:
+    items:
+      - description: PEXTP reset

What is PEXTP?