Hey Suresh, On 01/08/2022 10:42, Naga Sureshkumar Relli wrote: > Add compatible string for Microchip CoreQSPI controller. > > Signed-off-by: Naga Sureshkumar Relli <nagasuresh.relli@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/spi/microchip,mpfs-spi.yaml | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml > index 7326c0a28d16..b65f4e070796 100644 > --- a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml > +++ b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml > @@ -14,9 +14,13 @@ allOf: > > properties: > compatible: > - enum: > - - microchip,mpfs-spi > - - microchip,mpfs-qspi > + oneOf: > + - description: Microchip's Polarfire SoC SPI controller. ^ (This is a capital F btw) > + const: microchip,mpfs-spi > + - description: Microchip's Polarfire SoC QSPI controller. > + const: microchip,mpfs-qspi > + - description: Microchip's FPGA QSPI controller. > + const: microchip,coreqspi-rtl-v2 I am not sure that this is the correct "hierarchy". coreQSPI has a subset of the registers of the "hard" QSPI & the same driver works for both at the moment. The "hard" QSPI is based on the FPGA core, so I think this should be changed to something like the following: properties: compatible: oneOf: - description: Microchip's PolarFire SoC QSPI controller items: - const: microchip,mpfs-qspi - const: microchip,coreqspi-rtl-v2 - description: Microchip's fabric based QSPI IP core const: microchip,coreqspi-rtl-v2 - description: Microchip's PolarFire SoC SPI controller const: microchip,mpfs-spi Unrelated to this patch, but a diff --git a/MAINTAINERS b/MAINTAINERS index f4202a19faa1..887bfee5c7af 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17526,6 +17526,7 @@ F: drivers/pci/controller/pcie-microchip-host.c F: drivers/rtc/rtc-mpfs.c F: drivers/soc/microchip/ F: drivers/spi/spi-microchip-core.c +F: drivers/spi/spi-microchip-core-qspi.c F: drivers/usb/musb/mpfs.c F: include/soc/microchip/mpfs.h Would be nice too. Thanks, Conor.