[PATCH 02/10] riscv: dts: sophgo: cv18xx: Split into CPU core and peripheral parts

[Alexander Sverdlin]

Thanks for quick review Krzysztof!

On Mon, 2025-02-10 at 09:43 +0100, Krzysztof Kozlowski wrote:
> On 09/02/2025 23:06, Alexander Sverdlin wrote:
> > Make the peripheral device tree re-usable on ARM64 platform by splitting it
> > into CPU-core specific and peripheral parts.
> > 
> > Add SOC_PERIPHERAL_IRQ() macro which explicitly maps peripheral nubering
> > into "plic" interrupt-controller numbering.
> > 
> > Signed-off-by: Alexander Sverdlin <alexander.sverdlin at gmail.com>
> > ---
> >   arch/riscv/boot/dts/sophgo/cv181x.dtsi        |   2 +-
> >   arch/riscv/boot/dts/sophgo/cv18xx-periph.dtsi | 313 ++++++++++++++++++
> >   arch/riscv/boot/dts/sophgo/cv18xx.dtsi        | 305 +----------------
                                 ^^^^^^^^^^^
[1]

> > --- /dev/null
> > +++ b/arch/riscv/boot/dts/sophgo/cv18xx-periph.dtsi
> > @@ -0,0 +1,313 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright (C) 2023 Jisheng Zhang <jszhang at kernel.org>
> > + * Copyright (C) 2023 Inochi Amaoto <inochiama at outlook.com>
> > + */
> > +
> > +#include <dt-bindings/clock/sophgo,cv1800.h>
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/interrupt-controller/irq.h>
> > +
> > +/ {
> > +	osc: oscillator {
> > +		compatible = "fixed-clock";
> 
> I really doubt that external oscillator is a peripheral. This is either
> part of board or the SoC.

This is actually a problem of the original cv18xx.dtsi [1]. Do you think
I need to fix it as part of my series? This would touch all the pure
RiscV boards (using CV18xx SoCs, not SG200x SoCs), which I could avoid
otherwise.

-- 
Alexander Sverdlin.