[PATCH v6 3/5] dt-bindings: timer: add i.MX EPIT timer binding
From: Clément Péron <hidden>
Date: 2018-06-07 14:06:17
Also in:
linux-arm-kernel, lkml
Subsystem:
clocksource, clockevent drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Daniel Lezcano, Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Clément Peron <redacted> Add devicetree binding document for NXP's i.MX SoC specific EPIT timer driver. Signed-off-by: Clément Peron <redacted> --- .../devicetree/bindings/timer/fsl,imxepit.txt | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/fsl,imxepit.txt
diff --git a/Documentation/devicetree/bindings/timer/fsl,imxepit.txt b/Documentation/devicetree/bindings/timer/fsl,imxepit.txt
new file mode 100644
index 000000000000..819d6458a860
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/fsl,imxepit.txt@@ -0,0 +1,21 @@ +Binding for the i.MX Enhanced Periodic Interrupt Timer (EPIT) + +The Enhanced Periodic Interrupt Timer (EPIT) is a 32-bit set-and-forget timer +that is capable of providing precise interrupts at regular intervals with +minimal processor intervention. + +Required properties: +- compatible: should be "fsl,<chip>-epit", "fsl,imx31-epit" where <chip> is + imx25, imx6qdl, imx6sl, imx6sul or imx6sx. +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: Should contain EPIT controller interrupt +- clocks : The clock provided by the SoC to drive the timer. + +Example for i.MX6QDL: + epit1: timer@20d0000 { + compatible = "fsl,imx6qdl-epit", "fsl,imx31-epit"; + reg = <0x020d0000 0x4000>; + interrupts = <0 56 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_EPIT1>; + };
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2.17.1