diff options
| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2025-04-17 17:16:18 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2025-05-16 11:10:32 +0200 |
| commit | eec34ebb65aab20d2488808770b7f080104d4426 (patch) | |
| tree | 3de3ecd47051cea691846adf2957236e16cb571a | |
| parent | 0af2f6be1b4281385b618cb86ad946eded089ac8 (diff) | |
dt-bindings: timer: Add NXP System Timer Module
Add the System Timer Module description found on the NXP s32 platform
and the compatible for the s32g2 variant.
Cc: Ghennadi Procopciuc <ghennadi.procopciuc@oss.nxp.com>
Cc: Thomas Fossati <thomas.fossati@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250417151623.121109-2-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/timer/nxp,s32g2-stm.yaml | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/nxp,s32g2-stm.yaml b/Documentation/devicetree/bindings/timer/nxp,s32g2-stm.yaml new file mode 100644 index 000000000000..b44b9794bb85 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,s32g2-stm.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/nxp,s32g2-stm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP System Timer Module (STM) + +maintainers: + - Daniel Lezcano <daniel.lezcano@kernel.org> + +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: + oneOf: + - const: nxp,s32g2-stm + - items: + - const: nxp,s32g3-stm + - const: nxp,s32g2-stm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Counter clock + - description: Module clock + - description: Register clock + + clock-names: + items: + - const: counter + - const: module + - const: register + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@4011c000 { + compatible = "nxp,s32g2-stm"; + reg = <0x4011c000 0x3000>; + interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks 0x3b>, <&clks 0x3c>, <&clks 0x3c>; + clock-names = "counter", "module", "register"; + }; |