arm64: dts: ti: k3-am62: Add watchdog nodes

Add nodes for watchdogs :
- 5 in main domain
- 1 in MCU domain
- 1 in wakeup domain

Signed-off-by: Julien Panis <jpanis@baylibre.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230320165123.80561-3-nm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index a143ea5..16e1486 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -758,6 +758,51 @@
                status = "disabled";
        };
 
+       main_rti0: watchdog@e000000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x0e000000 0x00 0x100>;
+               clocks = <&k3_clks 125 0>;
+               power-domains = <&k3_pds 125 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 125 0>;
+               assigned-clock-parents = <&k3_clks 125 2>;
+       };
+
+       main_rti1: watchdog@e010000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x0e010000 0x00 0x100>;
+               clocks = <&k3_clks 126 0>;
+               power-domains = <&k3_pds 126 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 126 0>;
+               assigned-clock-parents = <&k3_clks 126 2>;
+       };
+
+       main_rti2: watchdog@e020000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x0e020000 0x00 0x100>;
+               clocks = <&k3_clks 127 0>;
+               power-domains = <&k3_pds 127 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 127 0>;
+               assigned-clock-parents = <&k3_clks 127 2>;
+       };
+
+       main_rti3: watchdog@e030000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x0e030000 0x00 0x100>;
+               clocks = <&k3_clks 128 0>;
+               power-domains = <&k3_pds 128 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 128 0>;
+               assigned-clock-parents = <&k3_clks 128 2>;
+       };
+
+       main_rti15: watchdog@e0f0000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x0e0f0000 0x00 0x100>;
+               clocks = <&k3_clks 130 0>;
+               power-domains = <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 130 0>;
+               assigned-clock-parents = <&k3_clks 130 2>;
+       };
+
        epwm0: pwm@23000000 {
                compatible = "ti,am64-epwm", "ti,am3352-ehrpwm";
                #pwm-cells = <3>;

diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
index a427231..076601a 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi
@@ -130,4 +130,15 @@
                clocks = <&k3_clks 79 0>;
                clock-names = "gpio";
        };
+
+       mcu_rti0: watchdog@4880000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x04880000 0x00 0x100>;
+               clocks = <&k3_clks 131 0>;
+               power-domains = <&k3_pds 131 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 131 0>;
+               assigned-clock-parents = <&k3_clks 131 2>;
+               /* Tightly coupled to M4F */
+               status = "reserved";
+       };
 };

diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
index fec8154..7726eba 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -50,4 +50,15 @@
                power-domains = <&k3_pds 117 TI_SCI_PD_EXCLUSIVE>;
                wakeup-source;
        };
+
+       wkup_rti0: watchdog@2b000000 {
+               compatible = "ti,j7-rti-wdt";
+               reg = <0x00 0x2b000000 0x00 0x100>;
+               clocks = <&k3_clks 132 0>;
+               power-domains = <&k3_pds 132 TI_SCI_PD_EXCLUSIVE>;
+               assigned-clocks = <&k3_clks 132 0>;
+               assigned-clock-parents = <&k3_clks 132 2>;
+               /* Used by DM firmware */
+               status = "reserved";
+       };
 };