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drivers: pwm: stm32: add support for polarity

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Add support for the polarity flag in the STM32 PWM driver.

STM32 boards using PWM have been updated accordingly.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
This commit is contained in:
Gerard Marull-Paretas 2020-04-23 16:10:12 +02:00 • committed by Carles Cufí
commit 76f0d72e5d
36 changed files with 162 additions and 130 deletions
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21
dts/arm/st/g4/stm32g4.dtsi
View file

@ -9,6 +9,7 @@
#include <dt-bindings/clock/stm32_clock.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pwm/pwm.h>
/ {
chosen {
@ -295,7 +296,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_1";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -311,7 +312,7 @@
status = "disabled";
st,prescaler = <0>;
label = "PWM_2";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -327,7 +328,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_3";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -343,7 +344,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_4";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -359,7 +360,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_6";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -375,7 +376,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_7";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -391,7 +392,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_8";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -407,7 +408,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_15";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -423,7 +424,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_16";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};
@ -439,7 +440,7 @@
status = "disabled";
st,prescaler = <10000>;
label = "PWM_17";
#pwm-cells = <2>;
#pwm-cells = <3>;
};
};