| Message ID | 1561449642-26956-4-git-send-email-eugen.hristev@microchip.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | i2c: at91: filters support for at91 SoCs | expand |
On 2019-06-25 10:04, Eugen.Hristev@microchip.com wrote: > From: Eugen Hristev <eugen.hristev@microchip.com> > > Add binding specificatoin for digital filter inside the i2c controller > > Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> > --- > 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 2210f43..8268595 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt > @@ -20,6 +20,9 @@ Optional properties: > capable I2C controllers. > - i2c-sda-hold-time-ns: TWD hold time, only available for "atmel,sama5d4-i2c" > and "atmel,sama5d2-i2c". > +- enable-dig-filt: Enable the built-in digital filter on the i2c lines, > + specifically required depending on the hardware PCB/board and if the > + version of the controller includes it. > - Child nodes conforming to i2c bus binding > > Examples : > @@ -56,6 +59,7 @@ i2c0: i2c@f8034600 { > clocks = <&flx0>; > atmel,fifo-size = <16>; > i2c-sda-hold-time-ns = <336>; > + enable-dig-filt; This spelling does not match the spelling in the subject. But please see my comment on patch 6/9... Cheers, Peter > > wm8731: wm8731@1a { > compatible = "wm8731"; >
diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt index 2210f43..8268595 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt @@ -20,6 +20,9 @@ Optional properties: capable I2C controllers. - i2c-sda-hold-time-ns: TWD hold time, only available for "atmel,sama5d4-i2c" and "atmel,sama5d2-i2c". +- enable-dig-filt: Enable the built-in digital filter on the i2c lines, + specifically required depending on the hardware PCB/board and if the + version of the controller includes it. - Child nodes conforming to i2c bus binding Examples : @@ -56,6 +59,7 @@ i2c0: i2c@f8034600 { clocks = <&flx0>; atmel,fifo-size = <16>; i2c-sda-hold-time-ns = <336>; + enable-dig-filt; wm8731: wm8731@1a { compatible = "wm8731";