From mboxrd@z Thu Jan 1 00:00:00 1970 From: fabrice.gasnier@st.com (Fabrice Gasnier) Date: Fri, 16 Jun 2017 17:58:41 +0200 Subject: [PATCH 3/8] dt-bindings: pwm: Add STM32 LPTimer PWM binding In-Reply-To: <1497628726-7563-1-git-send-email-fabrice.gasnier@st.com> References: <1497628726-7563-1-git-send-email-fabrice.gasnier@st.com> Message-ID: <1497628726-7563-4-git-send-email-fabrice.gasnier@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add documentation for STMicroelectronics STM32 Low Power Timer PWM binding. Signed-off-by: Fabrice Gasnier --- .../devicetree/bindings/pwm/pwm-stm32-lp.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt new file mode 100644 index 0000000..8eebe31 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt @@ -0,0 +1,24 @@ +STMicroelectronics STM32 Low Power Timer PWM + +STM32 LP Timer provides single channel PWM. + +Must be a sub-node of an STM32 LP Timer device tree node. +See ../mfd/stm32-lptimer.txt for details about the parent node. + +Required parameters: +- compatible: Must be "st,stm32-pwm-lp". + +Optional properties: +- A pinctrl state named "default" can be defined to set a pin in mode of + operation for PWM output on external pin. + +Example: + lptimer1: lptimer at 0x40002400 { + compatible = "st,stm32-lptimer"; + ... + pwm { + compatible = "st,stm32-pwm-lp"; + pinctrl-names = "default"; + pinctrl-0 = <&lppwm1_pins>; + }; + }; -- 1.9.1