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Date: Fri, 22 Mar 2019 01:48:05 +0000 From: Anson Huang <anson.huang@....com> To: "thierry.reding@...il.com" <thierry.reding@...il.com>, "robh+dt@...nel.org" <robh+dt@...nel.org>, "mark.rutland@....com" <mark.rutland@....com>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, "linux@...linux.org.uk" <linux@...linux.org.uk>, "stefan@...er.ch" <stefan@...er.ch>, "otavio@...ystems.com.br" <otavio@...ystems.com.br>, Leonard Crestez <leonard.crestez@....com>, Robin Gong <yibin.gong@....com>, "jan.tuerk@...rion.com" <jan.tuerk@...rion.com>, "linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de> CC: dl-linux-imx <linux-imx@....com> Subject: [PATCH V9 1/5] dt-bindings: pwm: Add i.MX TPM PWM binding Add i.MX TPM(Low Power Timer/Pulse Width Modulation Module) PWM binding. Signed-off-by: Anson Huang <Anson.Huang@....com> --- No changes. --- .../devicetree/bindings/pwm/imx-tpm-pwm.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt diff --git a/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt new file mode 100644 index 0000000..94f1ad5 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt @@ -0,0 +1,22 @@ +Freescale i.MX TPM PWM controller + +Required properties: +- compatible : Should be "fsl,imx-tpm". +- reg: Physical base address and length of the controller's registers. +- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of the cells format. +- clocks : The clock provided by the SoC to drive the PWM. +- interrupts: The interrupt for the PWM controller. + +Note: The TPM counter and period counter are shared between multiple channels, so all channels +should use same period setting. + +Example: + +pwm0: tpm@...50000 { + compatible = "fsl,imx-tpm"; + reg = <0x40250000 0x1000>; + assigned-clocks = <&clks IMX7ULP_CLK_LPTPM4>; + assigned-clock-parents = <&clks IMX7ULP_CLK_SOSC_BUS_CLK>; + clocks = <&clks IMX7ULP_CLK_LPTPM4>; + #pwm-cells = <3>; +}; -- 2.7.4
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