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drivers: pwm: pwm_stm32: add macro for using DT_INST_PARENT()

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Make device init more readable by adding a macro

Suggested-by: Francois Ramu <francois.ramu@st.com>
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
This commit is contained in:
Sean Nyekjaer 2023-07-19 14:48:28 +02:00 • committed by Fabio Baltieri
commit 63fa033d11
1 changed files with 15 additions and 12 deletions
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27
drivers/pwm/pwm_stm32.c
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@ -722,27 +722,29 @@ static int pwm_stm32_init(const struct device *dev)
return 0;
}
#define PWM(index) DT_INST_PARENT(index)
#ifdef CONFIG_PWM_CAPTURE
#define IRQ_CONNECT_AND_ENABLE_BY_NAME(index, name) \
{ \
IRQ_CONNECT(DT_IRQ_BY_NAME(DT_INST_PARENT(index), name, irq), \
DT_IRQ_BY_NAME(DT_INST_PARENT(index), name, priority), \
IRQ_CONNECT(DT_IRQ_BY_NAME(PWM(index), name, irq), \
DT_IRQ_BY_NAME(PWM(index), name, priority), \
pwm_stm32_isr, DEVICE_DT_INST_GET(index), 0); \
irq_enable(DT_IRQ_BY_NAME(DT_INST_PARENT(index), name, irq)); \
irq_enable(DT_IRQ_BY_NAME(PWM(index), name, irq)); \
}
#define IRQ_CONNECT_AND_ENABLE_DEFAULT(index) \
{ \
IRQ_CONNECT(DT_IRQN(DT_INST_PARENT(index)), \
DT_IRQ(DT_INST_PARENT(index), priority), \
IRQ_CONNECT(DT_IRQN(PWM(index)), \
DT_IRQ(PWM(index), priority), \
pwm_stm32_isr, DEVICE_DT_INST_GET(index), 0); \
irq_enable(DT_IRQN(DT_INST_PARENT(index))); \
irq_enable(DT_IRQN(PWM(index))); \
}
#define IRQ_CONFIG_FUNC(index) \
static void pwm_stm32_irq_config_func_##index(const struct device *dev) \
{ \
COND_CODE_1(DT_IRQ_HAS_NAME(DT_INST_PARENT(index), cc), \
COND_CODE_1(DT_IRQ_HAS_NAME(PWM(index), cc), \
(IRQ_CONNECT_AND_ENABLE_BY_NAME(index, cc)), \
(IRQ_CONNECT_AND_ENABLE_DEFAULT(index)) \
); \
@ -756,10 +758,11 @@ static void pwm_stm32_irq_config_func_##index(const struct device *dev) \
#define DT_INST_CLK(index, inst) \
{ \
.bus = DT_CLOCKS_CELL(DT_INST_PARENT(index), bus), \
.enr = DT_CLOCKS_CELL(DT_INST_PARENT(index), bits) \
.bus = DT_CLOCKS_CELL(PWM(index), bus), \
.enr = DT_CLOCKS_CELL(PWM(index), bits) \
}
#define PWM_DEVICE_INIT(index) \
static struct pwm_stm32_data pwm_stm32_data_##index; \
IRQ_CONFIG_FUNC(index) \
@ -767,9 +770,9 @@ static void pwm_stm32_irq_config_func_##index(const struct device *dev) \
PINCTRL_DT_INST_DEFINE(index); \
\
static const struct pwm_stm32_config pwm_stm32_config_##index = { \
.timer = (TIM_TypeDef *)DT_REG_ADDR(DT_INST_PARENT(index)), \
.prescaler = DT_PROP(DT_INST_PARENT(index), st_prescaler), \
.countermode = DT_PROP(DT_INST_PARENT(index), st_countermode), \
.timer = (TIM_TypeDef *)DT_REG_ADDR(PWM(index)), \
.prescaler = DT_PROP(PWM(index), st_prescaler), \
.countermode = DT_PROP(PWM(index), st_countermode), \
.pclken = DT_INST_CLK(index, timer), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(index), \
CAPTURE_INIT(index) \