[PATCH v2 1/2] dt-bindings: timer: Add NXP System Timer Module

From: Daniel Lezcano
Date: Fri Mar 28 2025 - 09:55:34 EST


Add the System Timer Module description found on the NXP s32 platform
and the compatible for the s32g2 variant.

Cc: Ghennadi Procopciuc <ghennadi.procopciuc@xxxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Cc: Thomas Fossati <thomas.fossati@xxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
.../bindings/timer/nxp,stm-timer.yaml | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/nxp,stm-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/nxp,stm-timer.yaml b/Documentation/devicetree/bindings/timer/nxp,stm-timer.yaml
new file mode 100644
index 000000000000..a9c0151d62be
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/nxp,stm-timer.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/nxp,stm-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP System Timer Module (STM)
+
+maintainers:
+ - Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
+
+description:
+ The System Timer Module supports commonly required system and application
+ software timing functions. STM includes a 32-bit count-up timer and four
+ 32-bit compare channels with a separate interrupt source for each channel.
+ The timer is driven by the STM module clock divided by an 8-bit prescale
+ value.
+
+properties:
+ compatible:
+ enum:
+ - nxp,s32g-stm
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ timer@4011c000 {
+ compatible = "nxp,s32g-stm";
+ reg = <0x4011c000 0x3000>;
+ interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clks 0x3b>;
+ };
--
2.43.0