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

Tero Kristo t-kristo at ti.com
Thu Feb 13 10:34:00 CET 2020


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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