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Subject[PATCH v6 1/6] dt-bindings: mfd: Document STM32 low power timer bindings
Date
Add a subnode to STM low power timer bindings to support timer driver

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
version 6:
- only use one interrupt

version 5:
- the previous has been acked-by Rob but since I have docummented
interrupts and interrupt-names properties I haven't applied it here.

version 4:
- change compatible and subnode names
- document wakeup-source property

.../devicetree/bindings/mfd/st,stm32-lptimer.yaml | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
index 1a4cc5f3fb33..2a99b2296d2b 100644
--- a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
+++ b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml
@@ -33,12 +33,17 @@ properties:
items:
- const: mux

+ interrupts:
+ maxItems: 1
+
"#address-cells":
const: 1

"#size-cells":
const: 0

+ wakeup-source: true
+
pwm:
type: object

@@ -81,6 +86,16 @@ patternProperties:
required:
- compatible

+ timer:
+ type: object
+
+ properties:
+ compatible:
+ const: st,stm32-lptimer-timer
+
+ required:
+ - compatible
+
required:
- "#address-cells"
- "#size-cells"
@@ -94,11 +109,13 @@ additionalProperties: false
examples:
- |
#include <dt-bindings/clock/stm32mp1-clks.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
timer@40002400 {
compatible = "st,stm32-lptimer";
reg = <0x40002400 0x400>;
clocks = <&timer_clk>;
clock-names = "mux";
+ interrupts-extended = <&exti 47 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;

@@ -115,6 +132,10 @@ examples:
counter {
compatible = "st,stm32-lptimer-counter";
};
+
+ timer {
+ compatible = "st,stm32-lptimer-timer";
+ };
};

...
--
2.15.0
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