Re: Re: [PATCH v5 05/12] dt-bindings: gpio: pl061: add Ambarella CV75 variant

Linus Walleij <[email protected]> Wed, 19 Aug 2026 12:02:38 +0200

Newsgroups	org.kernel.vger.linux-gpio,dev.linux.lists.mfd,dev.linux.lists.soc,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-clk,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-serial
Message-ID	<CAD++jLmf9_kp6b_eL0hedyhZLvzdVTXNDe_AtTf1pyhojdhTmA@mail.gmail.com>

Hi Long,

On Wed, Aug 19, 2026 at 11:05 AM zl020895 <[email protected]> wrote:

> I checked it just now, Ambarella is in JEP106BN as bank 16 / identity 0x68.
> Per include/linux/amba/bus.h I plan to use periphid 0x000e8061
> (designer 0xe8 = JEP106 0x68 with bit7 set, part 0x061).
> The continuation bank is not representable in the classic
> 8-bit designer field; please tell me if you prefer a different
> encoding.

This sounds good, make sure to patch your designer ID into
include/linux/amba/bus.h enum amba_vendor maybe as a separate
patch if nothing really make use of it right now.

Yours,
Linus Walleij