[PATCH 2/2] dt-bindings: i2c: aspeed: add base-clock-divisor property
taoren at fb.com
Thu Jun 20 06:50:18 AEST 2019
"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 at 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
@@ -13,9 +13,11 @@ Required Properties:
- interrupts : interrupt number
-- bus-frequency : frequency of the bus clock in Hz defaults to 100 kHz when not
-- 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.
More information about the Linux-aspeed