linux-kernel - [PATCH 2/4] dt-bindings: i2c: amlogic,meson6-i2c: add optional power-domains

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Message-ID: <20240708194808.1819185-3-gnstark@salutedevices.com>
Date: Mon, 8 Jul 2024 22:48:06 +0300
From: George Stark <gnstark@...utedevices.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<neil.armstrong@...aro.org>, <khilman@...libre.com>, <jbrunet@...libre.com>,
	<martin.blumenstingl@...glemail.com>, <hkallweit1@...il.com>,
	<broonie@...nel.org>, <glaroque@...libre.com>, <rafael@...nel.org>,
	<daniel.lezcano@...aro.org>, <rui.zhang@...el.com>, <lukasz.luba@....com>,
	<b.galvani@...il.com>, <mmkurbanov@...rdevices.ru>
CC: <linux-i2c@...r.kernel.org>, <linux-spi@...r.kernel.org>,
	<linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-amlogic@...ts.infradead.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <kernel@...utedevices.com>, George Stark
	<gnstark@...utedevices.com>
Subject: [PATCH 2/4] dt-bindings: i2c: amlogic,meson6-i2c: add optional power-domains

On newer SoCs, the I2C hardware can require a power domain to operate.
Since the same compatible is used for older and newer SoCs make
power-domains property optional.

Signed-off-by: George Stark <gnstark@...utedevices.com>
---
 Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml b/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
index 26bed558c6b8..c4cc8af18280 100644
--- a/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
@@ -30,6 +30,9 @@ properties:
   clocks:
     minItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.25.1