* [PATCH 2/2] dt-bindings: i2c: aspeed: add base-clock-divisor property
@ 2019-06-19 20:50 Tao Ren
0 siblings, 0 replies; only message in thread
From: Tao Ren @ 2019-06-19 20:50 UTC (permalink / raw)
To: Brendan Higgins, Benjamin Herrenschmidt, Joel Stanley,
Andrew Jeffery, Rob Herring, Mark Rutland, linux-i2c, openbmc,
linux-arm-kernel, linux-aspeed, linux-kernel, devicetree
Cc: Tao Ren
"base-clock-divisor" allows people to customize ASPEED I2C Controller's
Base Clock, which in turn adjusts all other I2C AC timing settings.
Signed-off-by: Tao Ren <taoren@fb.com>
---
Documentation/devicetree/bindings/i2c/i2c-aspeed.txt | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
index 8fbd8633a387..0c08df847c6f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
@@ -13,9 +13,11 @@ Required Properties:
- interrupts : interrupt number
Optional Properties:
-- bus-frequency : frequency of the bus clock in Hz defaults to 100 kHz when not
- specified
-- multi-master : states that there is another master active on this bus.
+- bus-frequency : frequency of the bus clock in Hz defaults to 100 kHz
+ when not specified
+- multi-master : states that there is another master active on this bus.
+- base-clock-divisor : the divisor defines the frequency of Base Clock which
+ is divided from APB bus clock. Valid values are 0-15.
Example:
--
2.17.1
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