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@xxxxxxxxxxxxxx> > > Signed-off-by: Finley Xiao <finley.xiao@xxxxxxxxxxxxxx> > > Signed-off-by: Yifeng Zhao <yifeng.zhao@xxxxxxxxxxxxxx> > > Signed-off-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> > > [rebase, squash and reword commit message] > > Signed-off-by: Detlev Casanova <detlev.casanova@xxxxxxxxxxxxx> > > 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@xxxxxxxxxx > / 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 ? > Heiko > > [0] > https://elixir.bootlin.com/linux/v6.11-rc1/source/Documentation/devicetree/ > bindings/writing-bindings.rst#L90