[PATCH 4/7] arm: dts: k3-k721e: Add Main domain ESM support

[Tero Kristo]

Main domain ESM support is needed to configure main domain watchdogs
to generate ESM pin events by default. On J7 processor board these
propagate to the PMIC to generate a reset when watchdog expires.

Signed-off-by: Tero Kristo <t-kristo at ti.com>
---
 arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi | 4 ++++
 arch/arm/dts/k3-j721e-main.dtsi                     | 6 ++++++
 arch/arm/dts/k3-j721e.dtsi                          | 1 +
 3 files changed, 11 insertions(+)

diff --git a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
index a3a8193216..158598f5a7 100644
--- a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
@@ -349,3 +349,7 @@
 &exp2 {
 	u-boot,dm-spl;
 };
+
+&main_esm {
+	u-boot,dm-spl;
+};
diff --git a/arch/arm/dts/k3-j721e-main.dtsi b/arch/arm/dts/k3-j721e-main.dtsi
index 45ac98c47e..ef4282f608 100644
--- a/arch/arm/dts/k3-j721e-main.dtsi
+++ b/arch/arm/dts/k3-j721e-main.dtsi
@@ -532,4 +532,10 @@
 		clocks = <&k3_clks 193 0>;
 		power-domains = <&k3_pds 193 TI_SCI_PD_EXCLUSIVE>;
 	};
+
+	main_esm: esm at 700000 {
+		compatible = "ti,j721e-esm";
+		reg = <0x0 0x700000 0x0 0x1000>;
+		ti,esm-pins = <344>, <345>;
+	};
 };
diff --git a/arch/arm/dts/k3-j721e.dtsi b/arch/arm/dts/k3-j721e.dtsi
index 68ba517e50..e470d3a1b5 100644
--- a/arch/arm/dts/k3-j721e.dtsi
+++ b/arch/arm/dts/k3-j721e.dtsi
@@ -135,6 +135,7 @@
 		#size-cells = <2>;
 		ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
 			 <0x00 0x00600000 0x00 0x00600000 0x00 0x00031100>, /* GPIO */
+			 <0x00 0x00700000 0x00 0x00700000 0x00 0x00001000>, /* ESM */
 			 <0x00 0x00900000 0x00 0x00900000 0x00 0x00012000>, /* serdes */
 			 <0x00 0x00A40000 0x00 0x00A40000 0x00 0x00000800>, /* timesync router */
 			 <0x00 0x01000000 0x00 0x01000000 0x00 0x0af02400>, /* Most peripherals */
-- 
2.17.1

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