Messages in this thread | | | Date | Wed, 25 Nov 2015 16:46:27 -0600 | From | Rob Herring <> | Subject | Re: [PATCH 2/3] i2c: at91: add DT property "atmel,twd-hold-cycles" to binding |
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On Tue, Nov 24, 2015 at 02:47:41PM +0100, Ludovic Desroches wrote: > From: Wenyou Yang <wenyou.yang@atmel.com> > > Add a DT property "atmel,twd-hold-cycles" to specify the HOLD > filed of TWIHS_CWGR register to increase the TWD hold time. > > Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> > Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Rob Herring <robh@kernel.org>
> --- > Documentation/devicetree/bindings/i2c/i2c-at91.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt > index 6e81dc1..c81a0cb 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt > @@ -17,6 +17,9 @@ Optional properties: > - dma-names: should contain "tx" and "rx". > - atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO > capable I2C controllers. > +- atmel,twd-hold-cycles: number of cycles for TWD hold time whose value is > + determinated by (atmel,twd-hold-cycles + 3) x t_peripheral_clock, > + maximum value is 0x1f. > - Child nodes conforming to i2c bus binding > > Examples : > @@ -29,6 +32,7 @@ i2c0: i2c@fff84000 { > #size-cells = <0>; > clocks = <&twi0_clk>; > clock-frequency = <400000>; > + atmel,twd-hold-cycles = <2>; > > 24c512@50 { > compatible = "24c512"; > -- > 2.5.0 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
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