[PATCH v4 5/7] arm64: dts: ti: k3-j784s4-mcu: Add the main domain watchdog instances
J, KEERTHY
j-keerthy at ti.com
Mon Sep 25 08:33:30 PDT 2023
On 9/25/2023 6:49 PM, Nishanth Menon wrote:
> On 13:43-20230925, Keerthy wrote:
>> There are totally 2 instances of watchdog module in MCU domain.
>>
>> Signed-off-by: Keerthy <j-keerthy at ti.com>
>> ---
>> .../boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 20 +++++++++++++++++++
>> 1 file changed, 20 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
>> index a7b5c4cb7d3e..0b7cc277a567 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
>> @@ -714,4 +714,24 @@
>> ti,esm-pins = <63>;
>> bootph-pre-ram;
>> };
>> +
>> + mcu_watchdog0: watchdog at 40600000 {
>> + compatible = "ti,j7-rti-wdt";
>> + reg = <0x00 0x40600000 0x00 0x100>;
>> + clocks = <&k3_clks 367 1>;
>> + power-domains = <&k3_pds 367 TI_SCI_PD_EXCLUSIVE>;
>> + assigned-clocks = <&k3_clks 367 0>;
>> + assigned-clock-parents = <&k3_clks 367 4>;
>> + status = "disabled";
>> + };
>> +
>> + mcu_watchdog1: watchdog at 40610000 {
>> + compatible = "ti,j7-rti-wdt";
>> + reg = <0x00 0x40610000 0x00 0x100>;
>> + clocks = <&k3_clks 368 1>;
>> + power-domains = <&k3_pds 368 TI_SCI_PD_EXCLUSIVE>;
>> + assigned-clocks = <&k3_clks 368 0>;
>> + assigned-clock-parents = <&k3_clks 368 4>;
>> + status = "disabled";
>
> Explain in commit message as to why these are disabled. I believe it is
> because this RTI instances are tightly coupled to the micro
> controllers. but that information needs to be documented.
Sure. I will add that to the commit message.
>> + };
>> };
>> --
>> 2.17.1
>>
>
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