On Mon, Apr 7, 2025 at 6:00 PM Krzysztof Kozlowski <[email protected]> wrote: > On 07/04/2025 11:51, Pengyu Luo wrote: > > Kinetic ktz8866, found in many android devices, nowadays, some oem use > > dual ktz8866 to support a larger panel and higher brightness, original > > driver would only handle half backlight region on these devices, > > registering it twice is unreasonable, so adding the slave handler to > > support it.
[...] > > I wrote on IRC - phandle to express the relationship between hardware - > and I do not see it implemented. > > If you have devices depending on each other, you need to express it - > for links, for resource dependencies etc. phandle is for that usually. > Or OF graph. Or parent-child relationship. > I got you now, as a non-native speaker, I often misunderstood the first time, you expected that accessing node phandle in relationship or graph way, I did only access node phandle regardless of relationship or graph description, I only implied it in compatible string, but there would be a better way. > You did not provide any description of the hardware in the binding, so I > really do not have any idea what is this setup thus how to represent it. > Use hardware terms, diagrams etc to explain the hardware in the bindings > commit. What are the addresses? Are there any shared resources? What > buses are devices sitting on, etc. Agree. Best wishes, Pengyu
