Hi Rob, On Mon, May 20, 2019 at 8:07 PM Rob Herring <robh+dt@xxxxxxxxxx> wrote: > > On Mon, May 20, 2019 at 9:12 AM Sagar Shrikant Kadam > <sagar.kadam@xxxxxxxxxx> wrote: > > > > 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 and interrupt > > parents under optional property list as these 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 | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt > > index 17bef9a..b73960e 100644 > > --- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt > > +++ b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt > > @@ -2,8 +2,11 @@ Device tree configuration for i2c-ocores > > > > Required properties: > > - compatible : "opencores,i2c-ocores" or "aeroflexgaisler,i2cmst" > > + "sifive,fu540-c000-i2c" or "sifive,i2c0". > > It's not an OR because both are required. Please reformat to 1 valid > combination per line. Yes, will rectify it in V6. > > + for Opencore based I2C IP block reimplemented in > > + FU540-C000 SoC.Please refer 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 +15,8 @@ Required properties: > > - #size-cells : should be <0> > > > > Optional properties: > > +- interrupt-parent: handle to interrupt controller. > > Drop this. interrupt-parent is implied. > Sure, will exclude it in v6. > > +- 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 > > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv Thanks, Sagar
