[PATCH v1 1/5] dts: sa8775p-ride-r3-u-boot: add override dtsi

Varadarajan Narayanan quic_varada at quicinc.com
Tue Jan 7 10:24:09 CET 2025


On Fri, Jan 03, 2025 at 04:17:14PM +0100, neil.armstrong at linaro.org wrote:
> On 03/01/2025 06:14, Varadarajan Narayanan wrote:
> > Add initial support for the QCS9100 (derived from SA8775p) Ride platforms.
> > Define memory layout statically.
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada at quicinc.com>
> > ---
> >   arch/arm/dts/sa8775p-ride-r3-u-boot.dtsi | 22 ++++++++++++++++++++++
> >   arch/arm/dts/sa8775p-ride-u-boot.dtsi    | 11 +++++++++++
> >   2 files changed, 33 insertions(+)
> >   create mode 100644 arch/arm/dts/sa8775p-ride-r3-u-boot.dtsi
> >   create mode 100644 arch/arm/dts/sa8775p-ride-u-boot.dtsi
> >
> > diff --git a/arch/arm/dts/sa8775p-ride-r3-u-boot.dtsi b/arch/arm/dts/sa8775p-ride-r3-u-boot.dtsi
> > new file mode 100644
> > index 0000000000..7d01d5f6a1
> > --- /dev/null
> > +++ b/arch/arm/dts/sa8775p-ride-r3-u-boot.dtsi
> > @@ -0,0 +1,22 @@
> > +// SPDX-License-Identifier: BSD-3-Clause
> > +/*
> > + * Copyright (c) 2025, Qualcomm Innovation Center, Inc. All rights reserved.
> > + */
> > +
> > +/ {
> > +	model = "Qualcomm QCS9100 Ride Rev3";
> > +	compatible = "qcom,qcs9100-ride-r3", "qcom,qcs9100", "qcom,sa8775p";
>
> Why do you redefine those ? they are already defined in the upstream sa8775p-ride-r3.dts

To include QCS9100 info to the model and compatible strings,
so that users might not get confused if a wrong U-Boot has
booted on the platform.

Please let me know if this should still be removed.

Thanks
Varada

> > +
> > +	/* Will be removed when bootloader updates later */
> > +	memory at 80000000 {
> > +		device_type = "memory";
> > +		reg = <0x0 0x80000000 0x0 0x3ee00000>,
> > +		      <0x0 0xc0000000 0x0 0x04d00000>,
> > +		      <0xD 0x00000000 0x2 0x54100000>,
> > +		      <0xA 0x80000000 0x1 0x52d00000>,
> > +		      <0x9 0x00000000 0x1 0x80000000>,
> > +		      <0x1 0x00000000 0x2 0xf7500000>,
> > +		      <0x0 0xd0000000 0x0 0x00100000>,
> > +		      <0x0 0xd3500000 0x0 0x07c00000>;
> > +	};
>
> Ack, this should be removed once the SMEM code is merged.
>
> > +};
> > diff --git a/arch/arm/dts/sa8775p-ride-u-boot.dtsi b/arch/arm/dts/sa8775p-ride-u-boot.dtsi
> > new file mode 100644
> > index 0000000000..979462dfec
> > --- /dev/null
> > +++ b/arch/arm/dts/sa8775p-ride-u-boot.dtsi
> > @@ -0,0 +1,11 @@
> > +// SPDX-License-Identifier: BSD-3-Clause
> > +/*
> > + * Copyright (c) 2025, Qualcomm Innovation Center, Inc. All rights reserved.
> > + */
> > +/dts-v1/;
> > +
> > +#include "sa8775p-ride.dts"
>
> Why ? this file will be automatically appended to sa8775p-ride.dts, no need to import is before.
>
> > +/ {
> > +	model = "Qualcomm QCS9100 Ride";
> > +	compatible = "qcom,qcs9100-ride", "qcom,qcs9100", "qcom,sa8775p";
>
> Same, unneeded.
>
> In fact, this file is completely unneeded.
>
> > +};
>
> Neil
>


More information about the U-Boot mailing list