Messages in this thread | | | Date | Sat, 18 Mar 2023 21:32:21 +0800 | Subject | Re: [PATCH 11/15] arm64: dts: nuvoton: Add initial ma35d1 device tree | From | Jacky Huang <> |
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Hi Lee,
Thanks for your attentions.
On 2023/3/17 上午 12:44, Lee Jones wrote: > On Thu, 16 Mar 2023, Arnd Bergmann wrote: > >> On Wed, Mar 15, 2023, at 08:28, Jacky Huang wrote: >>> + mem: memory@80000000 { >>> + device_type = "memory"; >>> + reg = <0x00000000 0x80000000 0 0x20000000>; /* 512M DRAM */ >>> + }; >>> +}; >> In most machines, the memory size is detected by the boot loader >> and filled in the dtb in memory before starting the kernel, so >> you should not need two separate files here for the two common >> memory configurations. >> >> Since the machine is called 'som', I would assume that this is a >> module that is integrated on another board, so more commonly one >> would have a dtsi file for the som in addition to the one for the >> soc, and have all the components of the module listed in this >> file, while the dts file that includes the som.dtsi lists the >> devices on the carrier board and enables the on-chip devices >> that are connected to the outside. > It's using syscon and simple-mfd by the looks of it. > > -- > Lee Jones [李琼斯]
We just copy from what other chips's dts have done.
This seems be defined in Documentation\devicetree\bindings\numa.txt.
Best regards,
Jacky Huang
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