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SubjectRe: [PATCH 1/3] arm64: dts: ti: k3-j784s4-main: Add MAIN domain R5F cluster nodes
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On 3/29/23 07:52, Nishanth Menon wrote:
>> MAIN R5FSS0 Core0: j784s4-main-r5f0_0-fw (both in LockStep and Split modes)
>> MAIN R5FSS0 Core1: j784s4-main-r5f0_1-fw (needed only in Split mode)
>> MAIN R5FSS1 Core0: j784s4-main-r5f1_0-fw (both in LockStep and Split modes)
>> MAIN R5FSS1 Core1: j784s4-main-r5f1_1-fw (needed only in Split mode)
>> MAIN R5FSS2 Core0: j784s4-main-r5f2_0-fw (both in LockStep and Split modes)
>> MAIN R5FSS2 Core1: j784s4-main-r5f2_1-fw (needed only in Split mode)
> Why are the patches split up into main and mcu - if you are adding r5f
> cores, do them as a single patch.
>
Thought would be cleaner with separated patches for resolving potential
merge conflicts. But, can combine into one for v2.

>> +
>> + main_r5fss0: r5fss@5c00000 {
>> + compatible = "ti,j721s2-r5fss";
>> + ti,cluster-mode = <1>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges = <0x5c00000 0x00 0x5c00000 0x20000>,
>> + <0x5d00000 0x00 0x5d00000 0x20000>;
>> + power-domains = <&k3_pds 336 TI_SCI_PD_EXCLUSIVE>;
>> +
>> + main_r5fss0_core0: r5f@5c00000 {
>> + compatible = "ti,j721s2-r5f";
>> + reg = <0x5c00000 0x00010000>,
>> + <0x5c10000 0x00010000>;
>> + reg-names = "atcm", "btcm";
>> + ti,sci = <&sms>;
>> + ti,sci-dev-id = <339>;
>> + ti,sci-proc-ids = <0x06 0xff>;
>> + resets = <&k3_reset 339 1>;
>> + firmware-name = "j784s4-main-r5f0_0-fw";
>> + ti,atcm-enable = <1>;
>> + ti,btcm-enable = <1>;
>> + ti,loczrama = <1>;
>> + status = "disabled";
> Why are these disabled by default?
Well, the idea is to let the board specific device tree enable needed
remote core nodes in *-evm/sk.dts and disable by default in SoC device
tree files by default.

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