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dt: ar803x: document SmartEEE properties

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The SmartEEE feature of Atheros AR803x PHYs can cause the link to
bounce. Add DT properties to allow SmartEEE to be disabled, and to
allow the Tw parameters for 100M and 1G links to be configured.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King
2021-01-14 10:45:44 +00:00
committed by Jakub Kicinski
parent 1d9f03c0a1
commit 623c13295c
1 changed files with 16 additions and 0 deletions
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16
Documentation/devicetree/bindings/net/qca,ar803x.yaml
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@@ -28,6 +28,10 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2]
qca,disable-smarteee:
description: Disable Atheros SmartEEE feature.
type: boolean
qca,keep-pll-enabled:
description: |
If set, keep the PLL enabled even if there is no link. Useful if you
@@ -36,6 +40,18 @@ properties:
Only supported on the AR8031.
type: boolean
qca,smarteee-tw-us-100m:
description: EEE Tw parameter for 100M links.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 255
qca,smarteee-tw-us-1g:
description: EEE Tw parameter for gigabit links.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 255
vddio-supply:
description: |
RGMII I/O voltage regulator (see regulator/regulator.yaml).