Hello Rob, Please let me know if this patch is as per your requirements/comments you mentioned earlier. Thanks & Regards, Sagar Kadam On Wed, May 29, 2019 at 9:57 AM Sagar Shrikant Kadam <sagar.kadam@xxxxxxxxxx> wrote: > > Reformatted compatibility strings to one valid combination on > each line. > Add FU540-C000 specific device tree bindings to already available > i2-ocores file. This device is available on > HiFive Unleashed Rev A00 board. Move interrupt under optional > property list as this can be optional. > > The FU540-C000 SoC from sifive, has an Opencore's I2C block > reimplementation. > > The DT compatibility string for this IP is present in HDL and available at. > https://github.com/sifive/sifive-blocks/blob/master/src/main/scala/devices/i2c/I2C.scala#L73 > > Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/i2c/i2c-ocores.txt | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt > index 17bef9a..6b25a80 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt > @@ -1,9 +1,13 @@ > Device tree configuration for i2c-ocores > > Required properties: > -- compatible : "opencores,i2c-ocores" or "aeroflexgaisler,i2cmst" > +- compatible : "opencores,i2c-ocores" > + "aeroflexgaisler,i2cmst" > + "sifive,fu540-c000-i2c", "sifive,i2c0" > + For Opencore based I2C IP block reimplemented in > + FU540-C000 SoC. Please refer to sifive-blocks-ip-versioning.txt > + for additional details. > - reg : bus address start and address range size of device > -- interrupts : interrupt number > - clocks : handle to the controller clock; see the note below. > Mutually exclusive with opencores,ip-clock-frequency > - opencores,ip-clock-frequency: frequency of the controller clock in Hz; > @@ -12,6 +16,7 @@ Required properties: > - #size-cells : should be <0> > > Optional properties: > +- interrupts : interrupt number. > - clock-frequency : frequency of bus clock in Hz; see the note below. > Defaults to 100 KHz when the property is not specified > - reg-shift : device register offsets are shifted by this value > -- > 1.9.1 >
