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Subject[PATCH 1/2] dt-bindings: phy: Allow defining the SATA AFE TX amplitude
Date
Document a new property which allows the selection of the SATA AFE TX
amplitude in milli Volts. Possible values are 400, 500, 600 and 800mV.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
Documentation/devicetree/bindings/phy/brcm-sata-phy.txt | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
index c03ad2198410..e5abbace93a3 100644
--- a/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
+++ b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt
@@ -38,6 +38,9 @@ Sub-nodes optional properties:
- brcm,rxaeq-value: when 'rxaeq-mode' is set to "manual", provides the RX
equalizer value that should be used. Allowed range is 0..63.

+- brcm,tx-amplitude-millivolt: transmit amplitude voltage in millivolt.
+ Possible values are 400, 500, 600 or 800 mV.
+
Example
sata-phy@f0458100 {
compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";
--
2.25.1
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