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Message-ID: <d3130584b64309da28a04826100643ff6239f9ca.1690841657.git.daniel@makrotopia.org>
Date: Mon, 31 Jul 2023 23:23:16 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: Felix Fietkau <nbd@....name>, Lorenzo Bianconi <lorenzo@...nel.org>,
Ryder Lee <ryder.lee@...iatek.com>,
Shayne Chen <shayne.chen@...iatek.com>,
Sean Wang <sean.wang@...iatek.com>, Kalle Valo <kvalo@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: [PATCH net-next v3 1/2] dt-bindings: mt76: support setting per-band
MAC address
Introduce support for setting individual per-band MAC addresses using
NVMEM cells by adding a 'bands' object with enumerated child nodes
representing the 2.4 GHz, 5 GHz and 6 GHz bands.
In case it is defined, call of_get_mac_address for the per-band child
node, otherwise try with of_get_mac_address on the main device node and
fall back to a random address like it used to be.
While at it, add MAC address related properties also for the main node.
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
Changes since v2:
* drop items list with only a single item
Changes since v1:
* add dt-bindings
.../bindings/net/wireless/mediatek,mt76.yaml | 58 ++++++++++++++++++-
1 file changed, 57 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
index 252207adbc54c..7eafed53da1de 100644
--- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
@@ -37,6 +37,12 @@ properties:
description:
MT7986 should contain 3 regions consys, dcm, and sku, in this order.
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
interrupts:
maxItems: 1
@@ -72,13 +78,23 @@ properties:
ieee80211-freq-limit: true
+ address: true
+
+ local-mac-address: true
+
+ mac-address: true
+
nvmem-cells:
+ minItems: 1
items:
- description: NVMEM cell with EEPROM
+ - description: NVMEM cell with the MAC address
nvmem-cell-names:
+ minItems: 1
items:
- const: eeprom
+ - const: mac-address
mediatek,eeprom-data:
$ref: /schemas/types.yaml#/definitions/uint32-array
@@ -213,6 +229,29 @@ properties:
description:
Half-dBm power delta for different numbers of antennas
+patternProperties:
+ '^band@[0-2]+$':
+ type: object
+ additionalProperties: false
+ properties:
+ reg:
+ maxItems: 1
+
+ address: true
+ local-mac-address: true
+ mac-address: true
+
+ nvmem-cells:
+ description: NVMEM cell with the MAC address
+
+ nvmem-cell-names:
+ const: mac-address
+
+ required:
+ - reg
+
+ unevaluatedProperties: false
+
required:
- compatible
- reg
@@ -225,10 +264,13 @@ examples:
#address-cells = <3>;
#size-cells = <2>;
wifi@0,0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
compatible = "mediatek,mt76";
reg = <0x0000 0 0 0 0>;
ieee80211-freq-limit = <5000000 6000000>;
- mediatek,mtd-eeprom = <&factory 0x8000>;
+ nvmem-cells = <&factory_eeprom>;
+ nvmem-cell-names = "eeprom";
big-endian;
led {
@@ -257,6 +299,20 @@ examples:
};
};
};
+
+ band@0 {
+ /* 2.4 GHz */
+ reg = <0>;
+ nvmem-cells = <&macaddr 0x4>;
+ nvmem-cell-names = "mac-address";
+ };
+
+ band@1 {
+ /* 5 GHz */
+ reg = <1>;
+ nvmem-cells = <&macaddr 0xa>;
+ nvmem-cell-names = "mac-address";
+ };
};
};
--
2.41.0
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