Re: [PATCH 1/3] dt-bindings: timer: Add STM32 Low Power Timer bindings
From: Rob Herring <robh@kernel.org>
Date: 2020-01-15 14:35:26
Also in:
linux-arm-kernel
On Thu, Jan 09, 2020 at 03:53:31PM +0100, Benjamin Gaignard wrote:
quoted hunk ↗ jump to hunk
Document STM32 Low Power bindings. Signed-off-by: Benjamin Gaignard <redacted> --- .../bindings/timer/st,stm32-lp-timer.yaml | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/st,stm32-lp-timer.yamldiff --git a/Documentation/devicetree/bindings/timer/st,stm32-lp-timer.yaml b/Documentation/devicetree/bindings/timer/st,stm32-lp-timer.yaml new file mode 100644 index 000000000000..ca040b96dc47 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/st,stm32-lp-timer.yaml
Use the compatible for the filename.
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@@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/st,stm32-lp-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 Low Power 16 bits timers bindings + +maintainers: + - Benjamin Gaignard <benjamin.gaignard@st.com> + +properties: + compatible: + const: st,stm32-lptimer-clkevent
'clkevent' is a h/w name? Seems redundant and abusing compatible to bind to a specific Linux driver.
+
+ 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>
+ #include <dt-bindings/clock/stm32mp1-clks.h>
+ clkevent: clkevent@40009000 {timer@...
+ compatible = "st,stm32-lptimer-clkevent"; + reg = <0x40009000 0x400>; + clocks = <&rcc LPTIM1_K>; + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>; + }; + +... -- 2.15.0