On Fri, Feb 28, 2025 at 04:07:55PM +0000, Biju Das wrote: > Document support for the Expanded Serial Peripheral Interface (xSPI) > Controller in the Renesas RZ/G3E (R9A09G047) SoC. > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > --- > .../memory-controllers/renesas,rz-xspi.yaml | 137 ++++++++++++++++++ > 1 file changed, 137 insertions(+) > create mode 100644 Documentation/devicetree/bindings/memory-controllers/renesas,rz-xspi.yaml > > diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rz-xspi.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rz-xspi.yaml > new file mode 100644 > index 000000000000..84875cd28460 > --- /dev/null > +++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rz-xspi.yaml > @@ -0,0 +1,137 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/memory-controllers/renesas,rz-xspi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas Expanded Serial Peripheral Interface (xSPI) > + > +maintainers: > + - Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > + > +description: | > + Renesas xSPI allows a SPI flash connected to the SoC to be accessed via > + the memory-mapping or the manual command mode. > + > + The flash chip itself should be represented by a subnode of the XSPI node. > + The flash interface is selected based on the "compatible" property of this > + subnode: > + - "jedec,spi-nor"; > + > +allOf: > + - $ref: /schemas/spi/spi-controller.yaml# > + > +properties: > + compatible: > + items: > + - const: renesas,r9a09g047-xspi # RZ/G3E > + - const: renesas,rz-xspi # a generic RZ xSPI device > + > + reg: > + items: > + - description: xSPI registers > + - description: direct mapping area > + > + reg-names: > + items: > + - const: regs > + - const: dirmap > + > + interrupts: > + items: > + - description: Interrupt pulse signal by factors excluding errors > + - description: Interrupt pulse signal by error factors > + > + interrupt-names: > + items: > + - const: spi_pulse > + - const: spi_err_pulse Drop 'spi' Otherwise, Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
