Hi Stephen,
On 2015年12月11日 13:35, Stephen Warren wrote:
On 12/10/2015 10:08 PM, Thomas Chou wrote:
Update compatible and reg-shift in device tree binding.
Has this change been submitted to and accepted by the Linux kernel?
That's where the official DT binding documents are stored. Honestly I
think we should remove the copies in U-Boot to avoid confusion and forking.
The content of the change looks reasonable at a quick glance.
These changes actually came from Linux kernel. They are scattered in
several files. I included only those are prevalent to u-boot.
8250.txt
- compatible : one of:
- "ns8250"
- "ns16450"
- "ns16550a"
- "ns16550"
- "ns16750"
- "ns16850"
- For Tegra20, must contain "nvidia,tegra20-uart"
- For other Tegra, must contain '"nvidia,<chip>-uart",
"nvidia,tegra20-uart"' where <chip> is tegra30, tegra114, tegra124,
tegra132, or tegra210.
omap_serial.txt
- compatible : should be "ti,omap2-uart" for OMAP2 controllers
- compatible : should be "ti,omap3-uart" for OMAP3 controllers
- compatible : should be "ti,omap4-uart" for OMAP4 controllers
- compatible : should be "ti,am4372-uart" for AM437x controllers
- compatible : should be "ti,am3352-uart" for AM335x controllers
- compatible : should be "ti,dra742-uart" for DRA7x controllers
snps-dw-apb-uart.txt
- compatible : "snps,dw-apb-uart"
- reg-shift : quantity to shift the register offsets by. If this
property is not present then the register offsets are not shifted.
I can change the description reg-shift property to above if this make it
clearer.
I would agree that we can remove these copies of Linux kernel. Almost
every dts binding I added to u-boot these months are copied from Linux
kernel.
Best regards,
Thomas
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