On Fri, Jun 14, 2024 at 10:19:22AM +0300, Claudiu wrote: > From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx> > > The VBATTB IP of the Renesas RZ/G3S SoC controls the clock that feeds > the RTC and the tamper detector. Add documentation for the VBATTB clock > driver. > > Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx> > --- > .../clock/renesas,rzg3s-vbattb-clk.yaml | 90 +++++++++++++++++++ > 1 file changed, 90 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/renesas,rzg3s-vbattb-clk.yaml > > diff --git a/Documentation/devicetree/bindings/clock/renesas,rzg3s-vbattb-clk.yaml b/Documentation/devicetree/bindings/clock/renesas,rzg3s-vbattb-clk.yaml > new file mode 100644 > index 000000000000..ef52a0c0f874 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/renesas,rzg3s-vbattb-clk.yaml > @@ -0,0 +1,90 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/renesas,rzg3s-vbattb-clk.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas VBATTB clock > + > +maintainers: > + - Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx> > + > +description: > + Renesas VBATTB module is an always on powered module (backed by battery) which > + generates a clock (VBATTCLK). This clocks feeds the RTC and the tamper detector > + modules. > + > +properties: > + compatible: > + const: renesas,rzg3s-vbattb-clk > + > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: VBATTB module clock > + - description: VBATTB input xtal > + > + clock-names: > + items: > + - const: bclk > + - const: vbattb_xtal > + > + '#clock-cells': > + const: 0 > + > + power-domains: > + maxItems: 1 > + > + renesas,vbattb-load-nanofarads: > + description: load capacitance of the on board xtal > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [ 4000, 7000, 9000, 12500 ] > + > + renesas,vbattb-osc-bypass: > + description: set when external clock is connected to RTXOUT pin > + type: boolean When you say "external clock", is that an input or an output?
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