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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 10/14/25 14:46, Krzysztof Kozlowski wrote: > On 14/10/2025 17:40, Kamal Dasu wrote: >> On Thu, Oct 9, 2025 at 10:00 PM Krzysztof Kozlowski wrote: >>> >>> On 09/10/2025 23:20, Kamal Dasu wrote: >>>> The broadcom settop SoCs have hardware semaphores as part of "sundry" >>>> IP block which has other controls that do not belong anywhere else. >>>> e.g. pin/mux controls, SoC identification, drive strength, reset controls, >>>> and other misc bits are part of this block. >>> >>> This does not explain why this has to be a separate block. Rob comment >>> stays valid - this belongs to parent node. >>> >> >> We do not have a separate parent node where this will fit in. We have > > > So what is the parent? simple bus? Ultimately yes, there is a parent node which is a "simple-bus" but what we effectively did is break up the "sun-top-ctrl" node into register ranges that are on 4 byte boundary, because the functionality offered in that aggregate is partitioned on a 4 byte boundary. Now, we could utilize the fact that the node has been exposed in our Device Trees using a syson: sun_top_ctrl: syscon@8404000 { compatible = "brcm,brcmstb-sun-top-ctrl", "syscon"; reg = <0x8404000 0x708>; }; > >> the DWORD aligned register defined here as organized in the SUNDRY >> block. > > > I don't know what SUNDRY is. https://www.merriam-webster.com/dictionary/sundry -- Florian