From: Potin Lai <potin.lai.pt@gmail.com>
To: Brendan Higgins <brendanhiggins@google.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
Rob Herring <robh+dt@kernel.org>,
Rayn Chen <rayn_chen@aspeedtech.com>
Cc: Patrick Williams <patrick@stwcx.xyz>,
Potin Lai <potin.lai@quantatw.com>,
linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
Potin Lai <potin.lai.pt@gmail.com>
Subject: [PATCH v3 2/2] dt-bindings: aspeed-i2c: add properties for setting i2c clock duty cycle
Date: Wed, 8 Jun 2022 00:37:03 +0800 [thread overview]
Message-ID: <20220607163703.26355-3-potin.lai.pt@gmail.com> (raw)
In-Reply-To: <20220607163703.26355-1-potin.lai.pt@gmail.com>
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@gmail.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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next prev parent reply other threads:[~2022-06-07 16:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-07 16:37 [PATCH v3 0/2] Add i2c clock duty cycle property for setting minimum persentage of clock high Potin Lai
2022-06-07 16:37 ` [PATCH v3 1/2] aspeed: i2c: add clock duty cycle property Potin Lai
2022-06-07 16:37 ` Potin Lai [this message]
2022-06-09 20:35 ` [PATCH v3 2/2] dt-bindings: aspeed-i2c: add properties for setting i2c clock duty cycle Rob Herring
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