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Date: Wed, 8 Jun 2022 00:37:03 +0800
From: Potin Lai <potin.lai.pt@...il.com>
To: Brendan Higgins <brendanhiggins@...gle.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>,
Rob Herring <robh+dt@...nel.org>,
Rayn Chen <rayn_chen@...eedtech.com>
Cc: Patrick Williams <patrick@...cx.xyz>,
Potin Lai <potin.lai@...ntatw.com>, linux-i2c@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
Potin Lai <potin.lai.pt@...il.com>
Subject: [PATCH v3 2/2] dt-bindings: aspeed-i2c: add properties for setting i2c clock duty cycle
Introduce a new property for setting a minimum duty cycle for clock high.
* i2c-clk-duty-cycle-min: a minimum percentage of clock high
Signed-off-by: Potin Lai <potin.lai.pt@...il.com>
---
Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
index ea643e6c3ef5..af4c49111cc0 100644
--- a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
@@ -49,6 +49,14 @@ properties:
description:
states that there is another master active on this bus
+ i2c-clk-duty-cycle-min:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 100
+ default: 50
+ description:
+ a minimum percentage of clock high
+
required:
- reg
- compatible
--
2.17.1
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