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dt-bindings: bcm4329-fmac: add optional brcm,ccode-map

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Add optional brcm,ccode-map property to support translation from ISO3166
country code to brcmfmac firmware country code and revision.

The country revision is needed because the RF parameters that provide
regulatory compliance are tweaked per platform/customer.  So depending
on the RF path tight to the chip, certain country revision needs to be
specified.  As such they could be seen as device specific calibration
data which is a good fit into device tree.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Link: https://lore.kernel.org/r/20210415104728.8471-2-shawn.guo@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Shawn Guo 2021-04-15 18:47:27 +08:00 committed by Rob Herring
parent 56ddc4cd4c
commit b419362270
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
View file

@ -68,6 +68,13 @@ properties:
description: A GPIO line connected to the WL_RST line, if present
this shall be flagged as active low.
brcm,ccode-map:
$ref: /schemas/types.yaml#/definitions/string-array
description: Multiple strings for translating ISO3166 country code to
brcmfmac firmware country code and revision.
items:
pattern: '^[A-Z][A-Z]-[A-Z][0-9A-Z]-[0-9]+$'
required:
- compatible
- reg
@ -97,5 +104,6 @@ examples:
interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
interrupt-names = "host-wake";
reset-gpios = <&gpio 23 GPIO_ACTIVE_LOW>;
brcm,ccode-map = "JP-JP-78", "US-Q2-86";
};
};