From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dong Aisheng Subject: [PATCH V3 1/2] dt-bindings: timer: add nxp tpm timer binding doc Date: Tue, 4 Jul 2017 22:00:22 +0800 Message-ID: <1499176823-4421-2-git-send-email-aisheng.dong@nxp.com> References: <1499176823-4421-1-git-send-email-aisheng.dong@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1499176823-4421-1-git-send-email-aisheng.dong@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, ping.bai@nxp.com, anson.huang@nxp.com, dongas86@gmail.com, kernel@pengutronix.de, Dong Aisheng , Mark Rutland , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Adding NXP Low Power Timer/Pulse Width Modulation Module (TPM) binding doc. Cc: Mark Rutland Cc: devicetree@vger.kernel.org Cc: Daniel Lezcano Cc: Thomas Gleixner Cc: Shawn Guo Cc: Bai Ping Acked-by: Rob Herring Signed-off-by: Dong Aisheng --- ChangeLog: v1->v3: * No changes --- .../devicetree/bindings/timer/nxp,tpm-timer.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt diff --git a/Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt new file mode 100644 index 0000000..b4aa7dd --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt @@ -0,0 +1,28 @@ +NXP Low Power Timer/Pulse Width Modulation Module (TPM) + +The Timer/PWM Module (TPM) supports input capture, output compare, +and the generation of PWM signals to control electric motor and power +management applications. The counter, compare and capture registers +are clocked by an asynchronous clock that can remain enabled in low +power modes. TPM can support global counter bus where one TPM drives +the counter bus for the others, provided bit width is the same. + +Required properties: + +- compatible : should be "fsl,imx7ulp-tpm" +- reg : Specifies base physical address and size of the register sets + for the clock event device and clock source device. +- interrupts : Should be the clock event device interrupt. +- clocks : The clocks provided by the SoC to drive the timer, must contain + an entry for each entry in clock-names. +- clock-names : Must include the following entries: "igp" and "per". + +Example: +tpm5: tpm@40260000 { + compatible = "fsl,imx7ulp-tpm"; + reg = <0x40260000 0x1000>; + interrupts = ; + clocks = <&clks IMX7ULP_CLK_NIC1_BUS_DIV>, + <&clks IMX7ULP_CLK_LPTPM5>; + clock-names = "ipg", "per"; +}; -- 2.7.4