diff mbox series

[v2,5/5] arm64: dts: ti: k3-j7200-mcu: Add the MCU domain watchdog instances

Message ID 20240412042537.666137-6-n-francis@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: ti: k3-j7*: Add missing ESM and watchdog nodes | expand

Commit Message

Neha Malcom Francis April 12, 2024, 4:25 a.m. UTC
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 <n-francis@ti.com>
---
Changes since v1:
- patch added

 .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi      | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

Comments

Kumar, Udit April 12, 2024, 5:03 a.m. UTC | #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 <n-francis@ti.com>
> ---
> 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 <u-kumar1@ti.com>  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";
> +	};
>   };
Neha Malcom Francis April 12, 2024, 5:05 a.m. UTC | #2
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 <n-francis@ti.com>
>> ---
>> 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 <u-kumar1@ti.com>  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";
>> +    };
>>   };
diff mbox series

Patch

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";
+	};
 };