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author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 05:46:54 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 05:46:54 +0100 |
commit | 574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d (patch) | |
tree | 3fbe9ed379bc0d6c536860845e85a4ede4b36bbc /dts/Bindings/mfd/st,stm32-lptimer.yaml | |
parent | 179dedbc6d85d7ea7c8013513b364a75f32943e8 (diff) | |
download | barebox-574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d.tar.gz barebox-574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d.tar.xz |
dts: update to v5.5-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/mfd/st,stm32-lptimer.yaml')
-rw-r--r-- | dts/Bindings/mfd/st,stm32-lptimer.yaml | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/dts/Bindings/mfd/st,stm32-lptimer.yaml b/dts/Bindings/mfd/st,stm32-lptimer.yaml new file mode 100644 index 0000000000..1a4cc5f3fb --- /dev/null +++ b/dts/Bindings/mfd/st,stm32-lptimer.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/st,stm32-lptimer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 Low-Power Timers bindings + +description: | + The STM32 Low-Power Timer (LPTIM) is a 16-bit timer that provides several + functions + - PWM output (with programmable prescaler, configurable polarity) + - Trigger source for STM32 ADC/DAC (LPTIM_OUT) + - Several counter modes: + - quadrature encoder to detect angular position and direction of rotary + elements, from IN1 and IN2 input signals. + - simple counter from IN1 input signal. + +maintainers: + - Fabrice Gasnier <fabrice.gasnier@st.com> + +properties: + compatible: + const: st,stm32-lptimer + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: mux + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pwm: + type: object + + properties: + compatible: + const: st,stm32-pwm-lp + + "#pwm-cells": + const: 3 + + required: + - "#pwm-cells" + - compatible + +patternProperties: + "^trigger@[0-9]+$": + type: object + + properties: + compatible: + const: st,stm32-lptimer-trigger + + reg: + description: Identify trigger hardware block. + items: + minimum: 0 + maximum: 2 + + required: + - compatible + - reg + + counter: + type: object + + properties: + compatible: + const: st,stm32-lptimer-counter + + required: + - compatible + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/stm32mp1-clks.h> + timer@40002400 { + compatible = "st,stm32-lptimer"; + reg = <0x40002400 0x400>; + clocks = <&timer_clk>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + + pwm { + compatible = "st,stm32-pwm-lp"; + #pwm-cells = <3>; + }; + + trigger@0 { + compatible = "st,stm32-lptimer-trigger"; + reg = <0>; + }; + + counter { + compatible = "st,stm32-lptimer-counter"; + }; + }; + +... |