Re: [PATCH 0/3] Enable quad SPI mode for SPI-NAND on IPQ RDP boards

[Md Sadre Alam]

On Thu, Jul 16, 2026 at 12:17:33PM +0530, Mukesh Ojha wrote:
> On Thu, Jul 16, 2026 at 11:25:11AM +0530, Md Sadre Alam wrote:
> > Several Qualcomm IPQ RDP platforms support quad (x4) SPI transfers
> > between the QPIC SPI-NAND controller and the attached SPI-NAND device.
> > However, the corresponding device trees do not currently describe the
> > bus width capabilities of the flash device, causing transfers to fall
> > back to the default single-bit (x1) mode.
> > 
> > This series enables quad SPI operation on supported IPQ reference
> > design platforms by adding spi-rx-bus-width and spi-tx-bus-width
> > properties to the SPI-NAND device nodes.
> > 
> > The series updates the IPQ9574, IPQ5424 and IPQ5332 based RDPs.
> > 
> > Signed-off-by: Md Sadre Alam <md.alam@xxxxxxxxxxxxxxxx>
> > ---
> > Md Sadre Alam (3):
> >       arm64: dts: qcom: ipq9574-rdp-common: Enable quad SPI mode for SPI-NAND
> >       arm64: dts: qcom: ipq5424-rdp466: Enable quad SPI mode for SPI-NAND
> >       arm64: dts: qcom: ipq5332-rdp-common: Enable quad SPI mode for SPI-NAND
> > 
> >  arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi | 2 ++
> >  arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts      | 2 ++
> >  arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 2 ++
> >  3 files changed, 6 insertions(+)
> > ---
> > base-commit: 19827e7930a5511c68e12aac6e4522f3661a1709
> > change-id: 20260716-quad_dts-6bac0484c08c
> > prerequisite-change-id: 20260716-quad-ec2765317214:v1
> 
> Above does not help.  Be explicit here in the cover letter by
> providing the dependency link directly.

Updated in revision 2 [1]. Please review

Thanks,
Alam.

1 - https://lore.kernel.org/linux-arm-msm/20260807-quad_dts-v2-0-6f578d4152b7@xxxxxxxxxxxxxxxx/