On Fri, Feb 19, 2021 at 6:54 AM Stephen Boyd <sboyd@xxxxxxxxxx> wrote: > > Quoting Miquel Raynal (2021-02-18 00:28:04) > > Hi Shubhrajyoti, > > > > Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> wrote on Thu, 18 Feb > > 2021 10:19:45 +0530: > > > > > Add the devicetree binding for the xilinx clocking wizard. > > > > > > Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> > > > --- > > > v6: > > > Fix a yaml warning > > > v7: > > > Add vendor prefix speed-grade > > > v8: > > > Fix the warnings > > > v9: > > > Fix the warnings > > > > > > .../bindings/clock/xlnx,clocking-wizard.yaml | 65 ++++++++++++++++++++++ > > > 1 file changed, 65 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml > > > > > > diff --git a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml > > > new file mode 100644 > > > index 0000000..d209140 > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml > > > @@ -0,0 +1,65 @@ > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > > +%YAML 1.2 > > > +--- > > > +$id: "http://devicetree.org/schemas/clock/xlnx,clocking-wizard.yaml#" > > > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > > > + > > > +title: Xilinx clocking wizard > > > + > > > +maintainers: > > > + - Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> > > > + > > > +description: > > > + The clocking wizard is a soft ip clocking block of Xilinx versal. It > > > + reads required input clock frequencies from the devicetree and acts as clock > > > + clock output. > > > + > > > +properties: > > > + compatible: > > > + const: xlnx,clocking-wizard > > > + > > > + reg: > > > + maxItems: 1 > > > + > > > + "#clock-cells": > > > + const: 1 > > > + > > > + clocks: > > > + items: > > > + - description: clock input > > > + - description: axi clock > > > + > > > + clock-names: > > > + items: > > > + - const: clk_in1 > > > + - const: s_axi_aclk > > > + > > > + clock-output-names: true > > > + > > > + xlnx,speed-grade: > > > + $ref: /schemas/types.yaml#/definitions/uint32 > > > + enum: [1, 2, 3] > > > + description: > > > + Speed grade of the device. > > > > A bit of explanation of what this describes would be welcome. > > > > Don't forget that binding are not tied to any driver implementation, > > these are supposed to be hardware description properties. > > Would opp tables work for this? This is the parameter is for speed of the fabric.