From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= Subject: [PATCH v7 3/5] dt-bindings: timer: add i.MX EPIT timer binding Date: Mon, 11 Jun 2018 17:49:59 +0200 Message-ID: <20180611155001.3506-4-peron.clem@gmail.com> References: <20180611155001.3506-1-peron.clem@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20180611155001.3506-1-peron.clem@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Colin Didier , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stefan Agner , Daniel Lezcano , Thomas Gleixner , Fabio Estevam , Vladimir Zapolskiy , Sascha Hauer , Rob Herring , NXP Linux Team , Pengutronix Kernel Team , =?UTF-8?q?Cl=C3=A9ment=20Peron?= List-Id: devicetree@vger.kernel.org From: Clément Peron Add devicetree binding document for NXP's i.MX SoC specific EPIT timer driver. Signed-off-by: Clément Peron Reviewed-by: Vladimir Zapolskiy --- .../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,-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: timer@20d0000 { + compatible = "fsl,imx6qdl-epit", "fsl,imx31-epit"; + reg = <0x020d0000 0x4000>; + interrupts = <0 56 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_EPIT1>; + }; -- 2.17.1