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drivers: counter: npcm: remove low-freq-select property #142

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Oct 8, 2024
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drivers: counter: npcm: remove low-freq-select property #142

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1 change: 0 additions & 1 deletion boards/nuvoton/npcm400_evb/npcm400_evb.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,6 @@
};

&timer1 {
low-freq-select;
prescaler = <2>;
status = "okay";
};
6 changes: 2 additions & 4 deletions drivers/counter/counter_npcm_itim32.c
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Expand Up @@ -9,6 +9,7 @@
#include <zephyr/drivers/counter.h>
#include <zephyr/logging/log.h>
#include <zephyr/drivers/clock_control.h>
#include <zephyr/dt-bindings/clock/npcm_clock.h>
#include <zephyr/sys_clock.h>
#include <zephyr/kernel.h>
#include <zephyr/irq.h>
Expand All @@ -35,8 +36,6 @@ struct counter_npcm_itim32_config {
uintptr_t base;
/* Clock configuration */
struct npcm_clk_cfg clk_cfg;
/* select low-frequency input source */
bool lf_select;
/* prescaler that use to divide input source frequency */
uint8_t prescaler;
void (*irq_config_func)(const struct device *dev);
Expand Down Expand Up @@ -277,7 +276,7 @@ static int counter_npcm_itim32_init(const struct device *dev)
BIT(NPCM_ITCTS_TO_STS);

/* Select low-frequency input clock source and change src freq to LF */
if (config->lf_select == true) {
if (config->clk_cfg.bus == NPCM_CLOCK_BUS_LFCLK) {
data->freq = LF_CYCLES_PER_SEC;
itcts |= BIT(NPCM_ITCTS_CKSEL);
}
Expand Down Expand Up @@ -323,7 +322,6 @@ static const struct counter_driver_api counter_npcm_itim32_driver_api = {
}, \
.base = DT_INST_REG_ADDR(id), \
.clk_cfg = NPCM_DT_CLK_CFG_ITEM(id), \
.lf_select = DT_INST_PROP_OR(id, low_freq_select, false), \
.prescaler = DT_INST_PROP(id, prescaler), \
.irq_config_func = counter_npcm_itim32_irq_config_##id, \
}; \
Expand Down
4 changes: 0 additions & 4 deletions dts/bindings/counter/nuvoton,npcm-itim32.yaml
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Expand Up @@ -24,7 +24,3 @@ properties:

The allowed values for this property are in the range [1..256].
Values above that range will be 8-bit-masked.

low-freq-select:
type: boolean
description: select low-frequency input clock source.
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