[PATCH v2 4/7] arm64: dts: ti: k3-j784s4-main: Add the main domain watchdog instances
J, KEERTHY
j-keerthy at ti.com
Thu Sep 7 07:30:16 PDT 2023
On 9/7/2023 7:44 PM, Kumar, Udit wrote:
> Thanks Keerthy,
>
> On 9/7/2023 5:22 PM, Keerthy wrote:
>> There are totally 19 instances of watchdog module. One each for the
>> 8 A72 cores, one each for the 4 C7x cores, 1 for the GPU, 1 each
>> for the 6 R5F cores in the main domain. Keeping only the A72 instances
>> enabled and disabling the rest by default.
>>
>> Signed-off-by: Keerthy <j-keerthy at ti.com>
>> ---
>> arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 182 +++++++++++++++++++++
>> 1 file changed, 182 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> index 7f7eab348520..66ab947a1081 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> @@ -1574,4 +1574,186 @@
>> reg = <0x00 0x700000 0x00 0x1000>;
>> ti,esm-pins = <688>, <689>;
>> };
>> +
>> + watchdog0: watchdog at 2200000 {
>> + compatible = "ti,j7-rti-wdt";
>> + reg = <0x00 0x2200000 0x00 0x100>;
>> + clocks = <&k3_clks 348 1>;
>> + power-domains = <&k3_pds 348 TI_SCI_PD_EXCLUSIVE>;
>> + assigned-clocks = <&k3_clks 348 0>;
>> + assigned-clock-parents = <&k3_clks 348 4>;
>> + };
>
> In ESM, patch I see only output of 2 watchdog in cascaded for reset.
>
> if you want to keep enable other wdt, then IMO they should be able to
> reset the core/SOC
>
> on timeout
I can add the other ESM events to the ESM node to enable that. I will
wait if there are more comments. If this is the only one comment i will
post a v3 of the esm patch.
- Keerthy
>
>
>> +
>> + [..]};
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