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From:   Christian Lamparter <chunkeey@gmail.com>
To:     devicetree@vger.kernel.org, linux-wireless@vger.kernel.org,
        bcm-kernel-feedback-list@broadcom.com
Cc:     rafal@milecki.pl, kvalo@kernel.org, f.fainelli@gmail.com,
        conor+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        robh+dt@kernel.org
Subject: [PATCH v1] dt-bindings: net: wireless: bcm4329-fmac: add ieee80211-freq-limit property
Date:   Sun, 11 Jun 2023 14:37:29 +0200
Message-Id: <288fc9a0db6c292bc132e828611c41785b075078.1686486461.git.chunkeey@gmail.com>
MIME-Version: 1.0
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Precedence: bulk

This is an existing optional property that ieee80211.yaml/cfg80211
provides. It's useful to further restrict supported frequencies
for a specified device through device-tree.

The driver supported this since ~2017 by
commit 0f83ff697356 ("brcmfmac: use wiphy_read_of_freq_limits to respect limits from DT")

This property is already being used by:
arch/arm/dts/bcm4709-netgear-r8000.dts

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
 .../devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml b/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
index fec1cc9b9a08..44e5f6677289 100644
--- a/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
@@ -15,6 +15,9 @@ description:
   These chips also have a Bluetooth portion described in a separate
   binding.
 
+allOf:
+  - $ref: ieee80211.yaml#
+
 properties:
   compatible:
     oneOf:
@@ -63,6 +66,8 @@ properties:
     description: Name for the OOB IRQ, this must be set to "host-wake".
     const: host-wake
 
+  ieee80211-freq-limit: true
+
   brcm,drive-strength:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: Drive strength used for the SDIO pins on the device in mA.
-- 
2.40.1