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drivers: pwm: Add STM32G4X PWM Support

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Add PWM driver support for STM32G4X SoC series.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Signed-off-by: Richard Osterloh <richard.osterloh@gmail.com>
This commit is contained in:
Erwan Gouriou 2019-09-06 13:47:21 +02:00 • committed by Andrew Boie
commit 0ecef25d5e
2 changed files with 226 additions and 0 deletions
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160
dts/arm/st/g4/stm32g4.dtsi
View file

@ -239,6 +239,166 @@
label = "SPI_3";
};
timers1: timers@40012c00 {
compatible = "st,stm32-timers";
reg = <0x40012c00 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00000800>;
status = "disabled";
label = "TIMERS_1";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_1";
#pwm-cells = <2>;
};
};
timers2: timers@40000000 {
compatible = "st,stm32-timers";
reg = <0x40000000 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000001>;
status = "disabled";
label = "TIMERS_2";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <0>;
label = "PWM_2";
#pwm-cells = <2>;
};
};
timers3: timers@40000400 {
compatible = "st,stm32-timers";
reg = <0x40000400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000002>;
status = "disabled";
label = "TIMERS_3";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_3";
#pwm-cells = <2>;
};
};
timers4: timers@40000800 {
compatible = "st,stm32-timers";
reg = <0x40000800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000004>;
status = "disabled";
label = "TIMERS_4";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_4";
#pwm-cells = <2>;
};
};
timers6: timers@40001000 {
compatible = "st,stm32-timers";
reg = <0x40001000 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000010>;
status = "disabled";
label = "TIMERS_6";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_6";
#pwm-cells = <2>;
};
};
timers7: timers@40001400 {
compatible = "st,stm32-timers";
reg = <0x40001400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000020>;
status = "disabled";
label = "TIMERS_7";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_7";
#pwm-cells = <2>;
};
};
timers8: timers@40013400 {
compatible = "st,stm32-timers";
reg = <0x40013400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00004000>;
status = "disabled";
label = "TIMERS_8";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_8";
#pwm-cells = <2>;
};
};
timers15: timers@40014000 {
compatible = "st,stm32-timers";
reg = <0x40014000 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00010000>;
status = "disabled";
label = "TIMERS_15";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_15";
#pwm-cells = <2>;
};
};
timers16: timers@40014400 {
compatible = "st,stm32-timers";
reg = <0x40014400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00020000>;
status = "disabled";
label = "TIMERS_16";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_16";
#pwm-cells = <2>;
};
};
timers17: timers@40014800 {
compatible = "st,stm32-timers";
reg = <0x40014800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00040000>;
status = "disabled";
label = "TIMERS_17";
pwm {
compatible = "st,stm32-pwm";
status = "disabled";
st,prescaler = <10000>;
label = "PWM_17";
#pwm-cells = <2>;
};
};
};
};

66
soc/arm/st_stm32/stm32g4/dts_fixup.h
View file

@ -170,4 +170,70 @@
#define DT_SPI_3_CLOCK_BITS DT_ST_STM32_SPI_FIFO_40003C00_CLOCK_BITS
#define DT_SPI_3_CLOCK_BUS DT_ST_STM32_SPI_FIFO_40003C00_CLOCK_BUS
#define DT_PWM_STM32_1_DEV_NAME DT_ST_STM32_PWM_40012C00_PWM_LABEL
#define DT_PWM_STM32_1_PRESCALER DT_ST_STM32_PWM_40012C00_PWM_ST_PRESCALER
#define DT_TIM_STM32_1_BASE_ADDRESS DT_ST_STM32_TIMERS_40012C00_BASE_ADDRESS
#define DT_TIM_STM32_1_CLOCK_BITS DT_ST_STM32_TIMERS_40012C00_CLOCK_BITS
#define DT_TIM_STM32_1_CLOCK_BUS DT_ST_STM32_TIMERS_40012C00_CLOCK_BUS
#define DT_PWM_STM32_2_DEV_NAME DT_ST_STM32_PWM_40000000_PWM_LABEL
#define DT_PWM_STM32_2_PRESCALER DT_ST_STM32_PWM_40000000_PWM_ST_PRESCALER
#define DT_TIM_STM32_2_BASE_ADDRESS DT_ST_STM32_TIMERS_40000000_BASE_ADDRESS
#define DT_TIM_STM32_2_CLOCK_BITS DT_ST_STM32_TIMERS_40000000_CLOCK_BITS
#define DT_TIM_STM32_2_CLOCK_BUS DT_ST_STM32_TIMERS_40000000_CLOCK_BUS
#define DT_PWM_STM32_3_DEV_NAME DT_ST_STM32_PWM_40000400_PWM_LABEL
#define DT_PWM_STM32_3_PRESCALER DT_ST_STM32_PWM_40000400_PWM_ST_PRESCALER
#define DT_TIM_STM32_3_BASE_ADDRESS DT_ST_STM32_TIMERS_40000400_BASE_ADDRESS
#define DT_TIM_STM32_3_CLOCK_BITS DT_ST_STM32_TIMERS_40000400_CLOCK_BITS
#define DT_TIM_STM32_3_CLOCK_BUS DT_ST_STM32_TIMERS_40000400_CLOCK_BUS
#define DT_PWM_STM32_4_DEV_NAME DT_ST_STM32_PWM_40000800_PWM_LABEL
#define DT_PWM_STM32_4_PRESCALER DT_ST_STM32_PWM_40000800_PWM_ST_PRESCALER
#define DT_TIM_STM32_4_BASE_ADDRESS DT_ST_STM32_TIMERS_40000800_BASE_ADDRESS
#define DT_TIM_STM32_4_CLOCK_BITS DT_ST_STM32_TIMERS_40000800_CLOCK_BITS
#define DT_TIM_STM32_4_CLOCK_BUS DT_ST_STM32_TIMERS_40000800_CLOCK_BUS
#define DT_PWM_STM32_5_DEV_NAME DT_ST_STM32_PWM_40000C00_PWM_LABEL
#define DT_PWM_STM32_5_PRESCALER DT_ST_STM32_PWM_40000C00_PWM_ST_PRESCALER
#define DT_TIM_STM32_5_BASE_ADDRESS DT_ST_STM32_TIMERS_40000C00_BASE_ADDRESS
#define DT_TIM_STM32_5_CLOCK_BITS DT_ST_STM32_TIMERS_40000C00_CLOCK_BITS
#define DT_TIM_STM32_5_CLOCK_BUS DT_ST_STM32_TIMERS_40000C00_CLOCK_BUS
#define DT_PWM_STM32_6_DEV_NAME DT_ST_STM32_PWM_40001000_PWM_LABEL
#define DT_PWM_STM32_6_PRESCALER DT_ST_STM32_PWM_40001000_PWM_ST_PRESCALER
#define DT_TIM_STM32_6_BASE_ADDRESS DT_ST_STM32_TIMERS_40001000_BASE_ADDRESS
#define DT_TIM_STM32_6_CLOCK_BITS DT_ST_STM32_TIMERS_40001000_CLOCK_BITS
#define DT_TIM_STM32_6_CLOCK_BUS DT_ST_STM32_TIMERS_40001000_CLOCK_BUS
#define DT_PWM_STM32_7_DEV_NAME DT_ST_STM32_PWM_40001400_PWM_LABEL
#define DT_PWM_STM32_7_PRESCALER DT_ST_STM32_PWM_40001400_PWM_ST_PRESCALER
#define DT_TIM_STM32_7_BASE_ADDRESS DT_ST_STM32_TIMERS_40001400_BASE_ADDRESS
#define DT_TIM_STM32_7_CLOCK_BITS DT_ST_STM32_TIMERS_40001400_CLOCK_BITS
#define DT_TIM_STM32_7_CLOCK_BUS DT_ST_STM32_TIMERS_40001400_CLOCK_BUS
#define DT_PWM_STM32_8_DEV_NAME DT_ST_STM32_PWM_40013400_PWM_LABEL
#define DT_PWM_STM32_8_PRESCALER DT_ST_STM32_PWM_40013400_PWM_ST_PRESCALER
#define DT_TIM_STM32_8_BASE_ADDRESS DT_ST_STM32_TIMERS_40013400_BASE_ADDRESS
#define DT_TIM_STM32_8_CLOCK_BITS DT_ST_STM32_TIMERS_40013400_CLOCK_BITS
#define DT_TIM_STM32_8_CLOCK_BUS DT_ST_STM32_TIMERS_40013400_CLOCK_BUS
#define DT_PWM_STM32_15_DEV_NAME DT_ST_STM32_PWM_40014000_PWM_LABEL
#define DT_PWM_STM32_15_PRESCALER DT_ST_STM32_PWM_40014000_PWM_ST_PRESCALER
#define DT_TIM_STM32_15_BASE_ADDRESS DT_ST_STM32_TIMERS_40014000_BASE_ADDRESS
#define DT_TIM_STM32_15_CLOCK_BITS DT_ST_STM32_TIMERS_40014000_CLOCK_BITS
#define DT_TIM_STM32_15_CLOCK_BUS DT_ST_STM32_TIMERS_40014000_CLOCK_BUS
#define DT_PWM_STM32_16_DEV_NAME DT_ST_STM32_PWM_40014400_PWM_LABEL
#define DT_PWM_STM32_16_PRESCALER DT_ST_STM32_PWM_40014400_PWM_ST_PRESCALER
#define DT_TIM_STM32_16_BASE_ADDRESS DT_ST_STM32_TIMERS_40014400_BASE_ADDRESS
#define DT_TIM_STM32_16_CLOCK_BITS DT_ST_STM32_TIMERS_40014400_CLOCK_BITS
#define DT_TIM_STM32_16_CLOCK_BUS DT_ST_STM32_TIMERS_40014400_CLOCK_BUS
#define DT_PWM_STM32_17_DEV_NAME DT_ST_STM32_PWM_40014800_PWM_LABEL
#define DT_PWM_STM32_17_PRESCALER DT_ST_STM32_PWM_40014800_PWM_ST_PRESCALER
#define DT_TIM_STM32_17_BASE_ADDRESS DT_ST_STM32_TIMERS_40014800_BASE_ADDRESS
#define DT_TIM_STM32_17_CLOCK_BITS DT_ST_STM32_TIMERS_40014800_CLOCK_BITS
#define DT_TIM_STM32_17_CLOCK_BUS DT_ST_STM32_TIMERS_40014800_CLOCK_BUS
/* End of SoC Level DTS fixup file */