[PATCH v2 3/3] dt-bindings: phy-mtk-tphy: add properties for U2 slew rate calibrate

From: Chunfeng Yun
Date: Mon Mar 12 2018 - 01:26:18 EST


Add two properties of ref_clk and coefficient used by U2 slew rate
calibrate which may vary on different SoCs

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
index 41e09ed..0d34b2b 100644
--- a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
+++ b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
@@ -27,6 +27,10 @@ Optional properties (controller (parent) node):
- reg : offset and length of register shared by multiple ports,
exclude port's private register. It is needed on mt2701
and mt8173, but not on mt2712.
+ - mediatek,src-ref-clk-mhz : frequency of reference clock for slew rate
+ calibrate
+ - mediatek,src-coef : coefficient for slew rate calibrate, depends on
+ SoC process

Required properties (port (child) node):
- reg : address and length of the register set for the port.
--
1.9.1