There are totally 9 instances of watchdog module. One each for the
2 A72 cores, one each for the 2 C7x cores, 1 for the GPU, 1 each
for the 4 R5F cores in the main domain. Keeping only the A72 instances
enabled and reserving the rest by default as they will be used by
their respective firmware.
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 100 +++++++++++++++++++++
1 file changed, 100 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 7ce802c6808d..4519f7e55396 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -1808,4 +1808,104 @@
ti,esm-pins = <688>, <689>;
bootph-pre-ram;
};
+
+ watchdog0: watchdog@2200000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2200000 0x00 0x100>;
+ clocks = <&k3_clks 286 1>;
+ power-domains = <&k3_pds 286 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 286 1>;
+ assigned-clock-parents = <&k3_clks 286 5>;
+ };
+
+ watchdog1: watchdog@2210000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2210000 0x00 0x100>;
+ clocks = <&k3_clks 287 1>;
+ power-domains = <&k3_pds 287 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 287 1>;
+ assigned-clock-parents = <&k3_clks 287 5>;
+ };
+
+ /*
+ * The following RTI instances are coupled with MCU R5Fs, c7x and
+ * GPU so keeping them reserved as these will be used by their
+ * respective firmware
+ */
+ watchdog2: watchdog@22f0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x22f0000 0x00 0x100>;
+ clocks = <&k3_clks 290 1>;
+ power-domains = <&k3_pds 290 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 290 1>;
+ assigned-clock-parents = <&k3_clks 290 5>;
+ /* reserved for GPU */
+ status = "reserved";
+ };
+
+ watchdog3: watchdog@2300000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2300000 0x00 0x100>;
+ clocks = <&k3_clks 288 1>;
+ power-domains = <&k3_pds 288 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 288 1>;
+ assigned-clock-parents = <&k3_clks 288 5>;
+ /* reserved for C7X_0 */
+ status = "reserved";
+ };
+
+ watchdog4: watchdog@2310000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x2310000 0x00 0x100>;
+ clocks = <&k3_clks 289 1>;
+ power-domains = <&k3_pds 289 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 289 1>;
+ assigned-clock-parents = <&k3_clks 289 5>;
+ /* reserved for C7X_1 */
+ status = "reserved";
+ };
+
+ watchdog5: watchdog@23c0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x23c0000 0x00 0x100>;
+ clocks = <&k3_clks 291 1>;
+ power-domains = <&k3_pds 291 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 291 1>;
+ assigned-clock-parents = <&k3_clks 291 5>;
+ /* reserved for MAIN_R5F0_0 */
+ status = "reserved";
+ };
+
+ watchdog6: watchdog@23d0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x23d0000 0x00 0x100>;
+ clocks = <&k3_clks 292 1>;
+ power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 292 1>;
+ assigned-clock-parents = <&k3_clks 292 5>;
+ /* reserved for MAIN_R5F0_1 */
+ status = "reserved";
+ };
+
+ watchdog7: watchdog@23e0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x23e0000 0x00 0x100>;
+ clocks = <&k3_clks 293 1>;
+ power-domains = <&k3_pds 293 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 293 1>;
+ assigned-clock-parents = <&k3_clks 293 5>;
+ /* reserved for MAIN_R5F1_0 */
+ status = "reserved";
+ };
+
+ watchdog8: watchdog@23f0000 {
+ compatible = "ti,j7-rti-wdt";
+ reg = <0x00 0x23f0000 0x00 0x100>;
+ clocks = <&k3_clks 294 1>;
+ power-domains = <&k3_pds 294 TI_SCI_PD_EXCLUSIVE>;
+ assigned-clocks = <&k3_clks 294 1>;
+ assigned-clock-parents = <&k3_clks 294 5>;
+ /* reserved for MAIN_R5F1_1 */
+ status = "reserved";
+ };
};
--
2.17.1
