diff options
author | Dong Aisheng <aisheng.dong@nxp.com> | 2017-08-01 16:40:16 +0800 |
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committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2017-08-29 11:07:55 +0200 |
commit | 34b0c26cd5458a991626bc8424e029562dceed21 (patch) | |
tree | bab74eb80f80e83fdffbd5e9c82144f1b13569b3 /Documentation/devicetree | |
parent | 4e2a809703e2b2300438a425b0a3f2013b55fcc6 (diff) |
dt-bindings: timer: Add nxp tpm timer binding doc
Adding NXP Low Power Timer/Pulse Width Modulation Module (TPM)
binding doc.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Bai Ping <ping.bai@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/timer/nxp,tpm-timer.txt | 28 |
1 files changed, 28 insertions, 0 deletions
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 000000000000..b4aa7ddb5b13 --- /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 = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7ULP_CLK_NIC1_BUS_DIV>, + <&clks IMX7ULP_CLK_LPTPM5>; + clock-names = "ipg", "per"; +}; |