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authorFabrice Gasnier <fabrice.gasnier@foss.st.com>2025-04-29 14:51:27 +0200
committerLee Jones <lee@kernel.org>2025-05-13 11:12:38 +0100
commit3f9ce9d0760ad68a9c20167664d026d91da66879 (patch)
tree5341af4568c69f7622576ea20a283e5d5f9f255a
parent0af2f6be1b4281385b618cb86ad946eded089ac8 (diff)
dt-bindings: mfd: stm32-lptimer: Add support for stm32mp25
Add a new stm32mp25 compatible to stm32-lptimer dt-bindings, to support STM32MP25 SoC. Some features has been updated or added to the low-power timer: - new capture compare channels - up to two PWM channels - PWM input capture - peripheral interconnect in stm32mp25 has been updated (new triggers). - registers/bits has been added or revisited (IER access). So introduce a new compatible to handle this diversity. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://lore.kernel.org/r/20250429125133.1574167-2-fabrice.gasnier@foss.st.com Signed-off-by: Lee Jones <lee@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml40
1 files changed, 34 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
index d41308856408..4eabafb8079d 100644
--- a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
+++ b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
@@ -21,7 +21,12 @@ maintainers:
properties:
compatible:
- const: st,stm32-lptimer
+ oneOf:
+ - items:
+ - const: st,stm32mp25-lptimer
+ - const: st,stm32-lptimer
+ - items:
+ - const: st,stm32-lptimer
reg:
maxItems: 1
@@ -48,13 +53,21 @@ properties:
minItems: 1
maxItems: 2
+ power-domains:
+ maxItems: 1
+
pwm:
type: object
additionalProperties: false
properties:
compatible:
- const: st,stm32-pwm-lp
+ oneOf:
+ - items:
+ - const: st,stm32mp25-pwm-lp
+ - const: st,stm32-pwm-lp
+ - items:
+ - const: st,stm32-pwm-lp
"#pwm-cells":
const: 3
@@ -69,7 +82,12 @@ properties:
properties:
compatible:
- const: st,stm32-lptimer-counter
+ oneOf:
+ - items:
+ - const: st,stm32mp25-lptimer-counter
+ - const: st,stm32-lptimer-counter
+ - items:
+ - const: st,stm32-lptimer-counter
required:
- compatible
@@ -80,7 +98,12 @@ properties:
properties:
compatible:
- const: st,stm32-lptimer-timer
+ oneOf:
+ - items:
+ - const: st,stm32mp25-lptimer-timer
+ - const: st,stm32-lptimer-timer
+ - items:
+ - const: st,stm32-lptimer-timer
required:
- compatible
@@ -92,13 +115,18 @@ patternProperties:
properties:
compatible:
- const: st,stm32-lptimer-trigger
+ oneOf:
+ - items:
+ - const: st,stm32mp25-lptimer-trigger
+ - const: st,stm32-lptimer-trigger
+ - items:
+ - const: st,stm32-lptimer-trigger
reg:
description: Identify trigger hardware block.
items:
minimum: 0
- maximum: 2
+ maximum: 4
required:
- compatible