From: Julien Panis <jpanis@baylibre.com>
Date: Mon, 20 Mar 2023 16:51:23 +0000 (-0500)
Subject: arm64: dts: ti: k3-am62: Add watchdog nodes
X-Git-Tag: v6.6.7~3035^2~14^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4eec5d77d330638dc8e79e25992420a78f2a3019;p=platform%2Fkernel%2Flinux-starfive.git

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
--- 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
--- 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
--- 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";
+	};
 };