From: Dong Aisheng Date: Tue, 1 Aug 2017 08:40:16 +0000 (+0800) Subject: dt-bindings: timer: Add nxp tpm timer binding doc X-Git-Tag: v5.15~10546^2~1^2~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34b0c26cd5458a991626bc8424e029562dceed21;p=platform%2Fkernel%2Flinux-starfive.git dt-bindings: timer: Add nxp tpm timer binding doc 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 Signed-off-by: Daniel Lezcano --- 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"; +};