There are 2 watchdog instances in the MCU domain. These instances are
coupled with the MCU domain R55 instances. Reserve them as they are not
used by A72.
Signed-off-by: Neha Malcom Francis <[email protected]>
---
Changes since v1:
- patch added
.../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index 7cf21c99956e..d1a42c3f30c0 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -686,4 +686,30 @@ mcu_mcan1: can@40568000 {
bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
status = "disabled";
};
+
+ /*
+ * The 2 RTI instances are couple with MCU R5Fs so keeping them
+ * reserved as these will be used by their respective firmware
+ */
+ mcu_watchdog0: watchdog@40600000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x40600000 0x00 0xbd>;
+ clocks = <&k3_clks 262 1>;
+ power-domains = <&k3_pds 262 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 262 1>;
+ assigned-clock-parents = <&k3_clks 262 5>;
+ /* reserved for MCU_R5F0_0 */
+ status = "reserved";
+ };
+
+ mcu_watchdog1: watchdog@40610000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x40610000 0x00 0xbd>;
+ clocks = <&k3_clks 263 1>;
+ power-domains = <&k3_pds 263 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 263 1>;
+ assigned-clock-parents = <&k3_clks 263 5>;
+ /* reserved for MCU_R5F0_1 */
+ status = "reserved";
+ };
};
--
2.34.1
Hi Neha
On 4/12/2024 9:55 AM, Neha Malcom Francis wrote:
> There are 2 watchdog instances in the MCU domain. These instances are
> coupled with the MCU domain R55 instances. Reserve them as they are not
> used by A72.
>
> Signed-off-by: Neha Malcom Francis <[email protected]>
> ---
> Changes since v1:
> - patch added
>
> .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 26 +++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> index 7cf21c99956e..d1a42c3f30c0 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> @@ -686,4 +686,30 @@ mcu_mcan1: can@40568000 {
> bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
> status = "disabled";
> };
> +
> + /*
> + * The 2 RTI instances are couple with MCU R5Fs so keeping them
> + * reserved as these will be used by their respective firmware
> + */
> + mcu_watchdog0: watchdog@40600000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x40600000 0x00 0xbd>;
please refer Table 2-3. MCU Domain Memory Map of TRM.
Size of wdt is 0x100 , with this change in size from 0xbd to 0x100.
you can use
Reviewed-by: Udit Kumar <[email protected]> for whole series
> + clocks = <&k3_clks 262 1>;
> + power-domains = <&k3_pds 262 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 262 1>;
> + assigned-clock-parents = <&k3_clks 262 5>;
> + /* reserved for MCU_R5F0_0 */
> + status = "reserved";
> + };
> +
> + mcu_watchdog1: watchdog@40610000 {
> + compatible = "ti,j7-rti-wdt";
> + reg = <0x00 0x40610000 0x00 0xbd>;
> + clocks = <&k3_clks 263 1>;
> + power-domains = <&k3_pds 263 TI_SCI_PD_EXCLUSIVE>;
> + assigned-clocks = <&k3_clks 263 1>;
> + assigned-clock-parents = <&k3_clks 263 5>;
> + /* reserved for MCU_R5F0_1 */
> + status = "reserved";
> + };
> };
Hi Udit
On 12/04/24 10:33, Kumar, Udit wrote:
> Hi Neha
>
> On 4/12/2024 9:55 AM, Neha Malcom Francis wrote:
>> There are 2 watchdog instances in the MCU domain. These instances are
>> coupled with the MCU domain R55 instances. Reserve them as they are not
>> used by A72.
>>
>> Signed-off-by: Neha Malcom Francis <[email protected]>
>> ---
>> Changes since v1:
>> - patch added
>>
>> .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 26 +++++++++++++++++++
>> 1 file changed, 26 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
>> b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
>> index 7cf21c99956e..d1a42c3f30c0 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
>> @@ -686,4 +686,30 @@ mcu_mcan1: can@40568000 {
>> bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
>> status = "disabled";
>> };
>> +
>> + /*
>> + * The 2 RTI instances are couple with MCU R5Fs so keeping them
>> + * reserved as these will be used by their respective firmware
>> + */
>> + mcu_watchdog0: watchdog@40600000 {
>> + compatible = "ti,j7-rti-wdt";
>> + reg = <0x00 0x40600000 0x00 0xbd>;
>
>
> please refer Table 2-3. MCU Domain Memory Map of TRM.
>
> Size of wdt is 0x100 , with this change in size from 0xbd to 0x100.
>
> you can use
>
> Reviewed-by: Udit Kumar <[email protected]> for whole series
Thank you for catching that! Sending v3 soon!
>
>> + clocks = <&k3_clks 262 1>;
>> + power-domains = <&k3_pds 262 TI_SCI_PD_EXCLUSIVE>;
>> + assigned-clocks = <&k3_clks 262 1>;
>> + assigned-clock-parents = <&k3_clks 262 5>;
>> + /* reserved for MCU_R5F0_0 */
>> + status = "reserved";
>> + };
>> +
>> + mcu_watchdog1: watchdog@40610000 {
>> + compatible = "ti,j7-rti-wdt";
>> + reg = <0x00 0x40610000 0x00 0xbd>;
>> + clocks = <&k3_clks 263 1>;
>> + power-domains = <&k3_pds 263 TI_SCI_PD_EXCLUSIVE>;
>> + assigned-clocks = <&k3_clks 263 1>;
>> + assigned-clock-parents = <&k3_clks 263 5>;
>> + /* reserved for MCU_R5F0_1 */
>> + status = "reserved";
>> + };
>> };
--
Thanking You
Neha Malcom Francis