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| author |   Florian Fainelli <f.fainelli@gmail.com> | 2017-10-11 17:53:10 -0700 |
|---|---|---|
| committer |   Kishon Vijay Abraham I <kishon@ti.com> | 2017-10-23 11:19:26 +0530 |
| commit | a7ac6570f67061576c51c5204a51f034af54adec (patch) | |
| tree | e784c2d5c063abc59ff8a5fd132402ab21fdbd7b /Documentation/devicetree/bindings/phy | |
| parent | phy: rcar-gen3-usb2: add binding for r8a77995 (diff) | |
| download | linux-dev-a7ac6570f67061576c51c5204a51f034af54adec.tar.xz linux-dev-a7ac6570f67061576c51c5204a51f034af54adec.zip | |
dt-bindings: phy: Add RX equalizer properties for Broadcom SATA PHY
Define two new properties: brcm,rx-aeq-mode which allows configuring the
SATA PHY RX equalizers and when "manual" is used, brcm,rx-aeq can be
used to set the exact value.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/phy')
| -rw-r--r-- | Documentation/devicetree/bindings/phy/brcm-sata-phy.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt index 97977cd29a98..0aced97d8092 100644 --- a/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt +++ b/Documentation/devicetree/bindings/phy/brcm-sata-phy.txt @@ -27,7 +27,16 @@ Sub-nodes optional properties: This property is not applicable for "brcm,iproc-ns2-sata-phy", "brcm,iproc-nsp-sata-phy" and "brcm,iproc-sr-sata-phy". -Example: +- brcm,rxaeq-mode: string that indicates the desired RX equalizer + mode, possible values are: + "off" (equivalent to not specifying the property) + "auto" + "manual" (brcm,rxaeq-value is used in that case) + +- brcm,rxaeq-value: when 'rxaeq-mode' is set to "manual", provides the RX + equalizer value that should be used. Allowed range is 0..63. + +Example sata-phy@f0458100 { compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3"; reg = <0xf0458100 0x1e00>, <0xf045804c 0x10>; |