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Message-Id: <20201001031916.411999-2-f.fainelli@gmail.com>
Date: Wed, 30 Sep 2020 20:19:15 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: linux-kernel@...r.kernel.org
Cc: bcm-kernel-feedback-list@...adcom.com,
Florian Fainelli <f.fainelli@...il.com>,
Kishon Vijay Abraham I <kishon@...com>,
Rob Herring <robh+dt@...nel.org>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
DEVICE TREE BINDINGS)
Subject: [PATCH 1/2] dt-bindings: phy: Allow defining the SATA AFE TX amplitude
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@...il.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@...58100 {
compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3";
--
2.25.1
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