Re: [PATCH 09/10] arm64: dts: rockchip: Add rk3576 SoC base DT

Heiko Stübner
2024-08-19T21:27:09Z

Am Montag, 19. August 2024, 19:59:45 CEST schrieb Detlev Casanova:
> On Wednesday, 14 August 2024 11:31:04 EDT Heiko Stübner wrote:
> > Hi Detlev,
> >
> > Am Freitag, 2. August 2024, 23:45:36 CEST schrieb Detlev Casanova:
> > > This device tree contains all devices necessary for booting from network
> > > or SD Card.
> > >
> > > It supports CPU, CRU, PM domains, dma, interrupts, timers, UART and
> > > SDHCI (everything necessary to boot Linux on this system on chip) as
> > > well as Ethernet, I2C, SPI and OTP.
> > >
> > > Also add the necessary DT bindings for the SoC.
> > >
> > > Signed-off-by: Liang Chen <cl@rock-chips.com>
> > > Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
> > > Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
> > > Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
> > > [rebase, squash and reword commit message]
> > > Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
> >
> > looks like (since 2019) there is a strong suggestion for having a soc node.
> >
> > See Krzysztof's mail in
> >
> > https://lore.kernel.org/all/6320e4f3-e737-4787-8a72-7bd314ba883c@kernel.org
> > / that references
> > Documentation/devicetree/bindings/writing-bindings.rst [0]
> >
> > So I guess we should probably follow that - at least for new socs for now.
>
> That make sense, but what is exactly covered by MMIO devices ? everything
> except cpus, firmware, psci and timer ?

if your node has a foo@mmio-address naming then it goes in there I guess