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@xxxxxx>
---
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@xxxxxx> 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";
+ };
};
