From 6d3b3f88423e4edc0fad5853c10558b42e1a91dd Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 22 Oct 2020 13:50:55 -0700 Subject: [PATCH] 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. Acked-by: Rob Herring Signed-off-by: Florian Fainelli Link: https://lore.kernel.org/r/20201022205056.233879-2-f.fainelli@gmail.com Signed-off-by: Vinod Koul --- 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"; -- 2.34.1