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. > + 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. > +- 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 >
