netdev - [PATCH net-next v4 1/2] dt-bindings: arm: mediatek: add mediatek,boottrap binding

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Message-ID: <f2d447d8b836cf9584762465a784185e8fcf651f.1683813687.git.daniel@makrotopia.org>
Date: Thu, 11 May 2023 16:10:20 +0200
From: Daniel Golle <daniel@...rotopia.org>
To: devicetree@...r.kernel.org, netdev@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Qingfang Deng <dqfext@...il.com>,
	SkyLake Huang <SkyLake.Huang@...iatek.com>,
	Simon Horman <simon.horman@...igine.com>
Subject: [PATCH net-next v4 1/2] dt-bindings: arm: mediatek: add
 mediatek,boottrap binding

The boottrap is used to read implementation details from the SoC, such
as the polarity of LED pins. Add bindings for it as we are going to use
it for the LEDs connected to MediaTek built-in 1GE PHYs.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 .../arm/mediatek/mediatek,boottrap.yaml       | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml
new file mode 100644
index 000000000000..460e375320a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,boottrap.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/mediatek/mediatek,boottrap.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek boottrap
+
+maintainers:
+  - Daniel Golle <daniel@...rotopia.org>
+
+description:
+  The boottrap found in some MediaTek SoCs is used to read SoC implementation
+  details such as LED polarities.
+
+properties:
+  $nodename:
+    const: boottrap
+
+  compatible:
+    const: mediatek,boottrap
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    boottrap: boottrap@...1f6f0 {
+      compatible = "mediatek,boottrap";
+      reg = <0 0x1001f6f0 0 0x20>;
+    };
-- 
2.40.0