From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Tue, 5 Jun 2018 09:23:23 -0600 Subject: [PATCH v5 2/4] dt-bindings: timer: add i.MX EPIT timer binding In-Reply-To: <20180604100035.19558-3-peron.clem@gmail.com> References: <20180604100035.19558-1-peron.clem@gmail.com> <20180604100035.19558-3-peron.clem@gmail.com> Message-ID: <20180605152323.GA25218@rob-hp-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jun 04, 2018 at 12:00:33PM +0200, Cl?ment P?ron wrote: > From: Cl?ment Peron > > Add devicetree binding document for NXP's i.MX SoC specific > EPIT timer driver. > > Signed-off-by: Cl?ment Peron > --- > .../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..de2e6ef68d24 > --- /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,-epit", "fsl,imx31-epit" where 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: epit at 20d0000 { I think I already mentioned this, but: timer at ... > + compatible = "fsl,imx6qdl-epit", "fsl,imx31-epit"; > + reg = <0x020d0000 0x4000>; > + interrupts = <0 56 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clks IMX6QDL_CLK_EPIT1>; > + }; > -- > 2.17.0 >