| /Linux-v4.19/drivers/pwm/ |
| D | pwm-sun4i.c | 113 unsigned int prescaler; in sun4i_pwm_get_state() local
121 prescaler = 1; in sun4i_pwm_get_state()
123 prescaler = prescaler_table[PWM_REG_PRESCAL(val, pwm->hwpwm)]; in sun4i_pwm_get_state()
125 if (prescaler == 0) in sun4i_pwm_get_state()
141 tmp = prescaler * NSEC_PER_SEC * PWM_REG_DTY(val); in sun4i_pwm_get_state()
144 tmp = prescaler * NSEC_PER_SEC * PWM_REG_PRD(val); in sun4i_pwm_get_state()
153 unsigned int pval, prescaler = 0; in sun4i_pwm_calculate() local
159 prescaler = PWM_PRESCAL_MASK; in sun4i_pwm_calculate()
169 prescaler = 0; in sun4i_pwm_calculate()
172 if (prescaler == 0) { in sun4i_pwm_calculate()
[all …]
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| D | pwm-renesas-tpu.c | 84 unsigned int prescaler; member
184 pwm->prescaler); in tpu_pwm_timer_start()
233 pwm->prescaler = 0; in tpu_pwm_request()
258 unsigned int prescaler; in tpu_pwm_config() local
271 for (prescaler = 0; prescaler < ARRAY_SIZE(prescalers); ++prescaler) { in tpu_pwm_config()
272 period = clk_rate / prescalers[prescaler] in tpu_pwm_config()
278 if (prescaler == ARRAY_SIZE(prescalers) || period == 0) { in tpu_pwm_config()
284 duty = clk_rate / prescalers[prescaler] in tpu_pwm_config()
294 clk_rate, prescalers[prescaler], period, duty); in tpu_pwm_config()
296 if (pwm->prescaler == prescaler && pwm->period == period) in tpu_pwm_config()
[all …]
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| D | pwm-rockchip.c | 52 unsigned int prescaler; member
81 tmp *= pc->data->prescaler * NSEC_PER_SEC; in rockchip_pwm_get_state()
85 tmp *= pc->data->prescaler * NSEC_PER_SEC; in rockchip_pwm_get_state()
121 pc->data->prescaler * NSEC_PER_SEC); in rockchip_pwm_config()
124 duty = DIV_ROUND_CLOSEST_ULL(div, pc->data->prescaler * NSEC_PER_SEC); in rockchip_pwm_config()
243 .prescaler = 2,
256 .prescaler = 1,
270 .prescaler = 1,
284 .prescaler = 1,
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| D | pwm-jz4740.c | 92 unsigned int prescaler = 0; in jz4740_pwm_config() local
100 while (period > 0xffff && prescaler < 6) { in jz4740_pwm_config()
102 ++prescaler; in jz4740_pwm_config()
105 if (prescaler == 6) in jz4740_pwm_config()
123 ctrl = JZ_TIMER_CTRL_PRESCALER(prescaler) | JZ_TIMER_CTRL_SRC_EXT | in jz4740_pwm_config()
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| D | pwm-stm32.c | 323 unsigned int prescaler = 0; in stm32_pwm_config() local
333 prescaler++; in stm32_pwm_config()
335 do_div(div, prescaler + 1); in stm32_pwm_config()
340 if (prescaler > MAX_TIM_PSC) in stm32_pwm_config()
353 if ((psc != prescaler) || (arr != prd - 1)) in stm32_pwm_config()
357 regmap_write(priv->regmap, TIM_PSC, prescaler); in stm32_pwm_config()
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| /Linux-v4.19/drivers/clocksource/ |
| D | timer-stm32.c | 209 int prescaler = 1; in stm32_timer_set_prescaler() local
212 prescaler = DIV_ROUND_CLOSEST(timer_of_rate(to), in stm32_timer_set_prescaler()
219 prescaler = prescaler < TIM_PSC_MAX ? prescaler : TIM_PSC_MAX; in stm32_timer_set_prescaler()
222 writel_relaxed(prescaler - 1, timer_of_base(to) + TIM_PSC); in stm32_timer_set_prescaler()
227 to->of_clk.rate = DIV_ROUND_CLOSEST(to->of_clk.rate, prescaler); in stm32_timer_set_prescaler()
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| D | timer-ti-dm.c | 662 int prescaler) in omap_dm_timer_set_prescaler() argument
666 if (unlikely(!timer) || prescaler < -1 || prescaler > 7) in omap_dm_timer_set_prescaler()
672 if (prescaler >= 0) { in omap_dm_timer_set_prescaler()
674 l |= prescaler << 2; in omap_dm_timer_set_prescaler()
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| /Linux-v4.19/drivers/watchdog/ |
| D | mpc8xxx_wdt.c | 50 int prescaler; member
173 ddata->swtc = min(ddata->wdd.timeout * freq / wdt_type->prescaler, in mpc8xxx_wdt_probe()
184 ddata->wdd.max_hw_heartbeat_ms = (ddata->swtc * wdt_type->prescaler) / in mpc8xxx_wdt_probe()
218 .prescaler = 0x10000,
224 .prescaler = 0x10000,
231 .prescaler = 0x800,
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| D | kempld_wdt.c | 143 u32 prescaler; in kempld_wdt_set_stage_timeout() local
149 prescaler = kempld_prescaler[PRESCALER_21]; in kempld_wdt_set_stage_timeout()
155 remainder = do_div(stage_timeout64, prescaler); in kempld_wdt_set_stage_timeout()
185 u32 prescaler; in kempld_wdt_get_timeout() local
194 prescaler = kempld_prescaler[STAGE_CFG_GET_PRESCALER(stage_cfg)]; in kempld_wdt_get_timeout()
196 stage_timeout = (stage_timeout & stage->mask) * prescaler; in kempld_wdt_get_timeout()
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| D | cadence_wdt.c | 78 u32 prescaler; member
186 count = (wdd->timeout * (clock_f / wdt->prescaler)) / in cdns_wdt_start()
352 wdt->prescaler = CDNS_WDT_PRESCALE_512; in cdns_wdt_probe()
355 wdt->prescaler = CDNS_WDT_PRESCALE_4096; in cdns_wdt_probe()
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| /Linux-v4.19/arch/powerpc/sysdev/ |
| D | fsl_gtm.c | 174 unsigned int prescaler; in gtm_set_ref_timer16() local
185 prescaler = gtm->clock / frequency; in gtm_set_ref_timer16()
191 if (prescaler > max_prescaler) in gtm_set_ref_timer16()
194 if (prescaler > max_prescaler / 16) { in gtm_set_ref_timer16()
196 prescaler /= 16; in gtm_set_ref_timer16()
199 if (prescaler <= 256) { in gtm_set_ref_timer16()
201 sps = prescaler - 1; in gtm_set_ref_timer16()
204 sps = prescaler / 256 - 1; in gtm_set_ref_timer16()
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| /Linux-v4.19/Documentation/devicetree/bindings/power/supply/ |
| D | ltc2941.txt | 16 - lltc,prescaler-exponent: The prescaler exponent as explained in the datasheet.
27 lltc,prescaler-exponent = <5>; /* 2^(2*5) = 1024 */
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| /Linux-v4.19/arch/powerpc/kernel/ |
| D | udbg_16550.c | 130 unsigned int dll, dlm, divisor, prescaler, speed; in udbg_probe_uart_speed() local
145 prescaler = 4; in udbg_probe_uart_speed()
147 prescaler = 1; in udbg_probe_uart_speed()
153 speed = (clock / prescaler) / (divisor * 16); in udbg_probe_uart_speed()
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| /Linux-v4.19/Documentation/devicetree/bindings/mfd/ |
| D | stm32-timers.txt | 5 prescaler, break input feature, PWM outputs and complementary PWM ouputs channels.
7 programmable prescaler and PWM outputs.
8 - basic timers consist of a 16-bit auto-reload counter driven by a programmable prescaler.
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| /Linux-v4.19/drivers/i2c/busses/ |
| D | i2c-mpc.c | 360 u32 prescaler = 1; in mpc_i2c_get_prescaler_8xxx() local
375 prescaler = 1; in mpc_i2c_get_prescaler_8xxx()
379 prescaler = mpc_i2c_get_sec_cfg_8xxx() ? 3 : 2; in mpc_i2c_get_prescaler_8xxx()
382 prescaler = 2; in mpc_i2c_get_prescaler_8xxx()
385 return prescaler; in mpc_i2c_get_prescaler_8xxx()
392 u32 prescaler = mpc_i2c_get_prescaler_8xxx(); in mpc_i2c_get_fdr_8xxx() local
398 *real_clk = fsl_get_sys_freq() / prescaler / (16 * 3072); in mpc_i2c_get_fdr_8xxx()
402 divider = fsl_get_sys_freq() / clock / prescaler; in mpc_i2c_get_fdr_8xxx()
417 *real_clk = fsl_get_sys_freq() / prescaler / div->divider; in mpc_i2c_get_fdr_8xxx()
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| /Linux-v4.19/arch/arm/mach-omap2/ |
| D | vc.c | 432 u32 prescaler; in omap4_calc_volt_ramp() local
441 prescaler = 0; in omap4_calc_volt_ramp()
448 prescaler++; in omap4_calc_volt_ramp()
454 prescaler++; in omap4_calc_volt_ramp()
460 prescaler++; in omap4_calc_volt_ramp()
472 return (prescaler << OMAP4430_RAMP_UP_PRESCAL_SHIFT) | in omap4_calc_volt_ramp()
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| /Linux-v4.19/drivers/iio/frequency/ |
| D | adf4350.c | 134 u32 div_gcd, prescaler, chspc; in adf4350_set_freq() local
142 prescaler = ADF4350_REG1_PRESCALER; in adf4350_set_freq()
145 prescaler = 0; in adf4350_set_freq()
199 1 << st->r4_rf_div_sel, prescaler ? "8/9" : "4/5", in adf4350_set_freq()
207 prescaler; in adf4350_set_freq()
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| /Linux-v4.19/drivers/mmc/host/ |
| D | mxcmmc.c | 808 int prescaler = 0; in mxcmci_set_clk_rate() local
811 while (prescaler <= 0x800) { in mxcmci_set_clk_rate()
817 if (prescaler) in mxcmci_set_clk_rate()
818 x /= (prescaler * 2); in mxcmci_set_clk_rate()
826 if (prescaler == 0) in mxcmci_set_clk_rate()
827 prescaler = 1; in mxcmci_set_clk_rate()
829 prescaler <<= 1; in mxcmci_set_clk_rate()
832 mxcmci_writew(host, (prescaler << 4) | divider, MMC_REG_CLK_RATE); in mxcmci_set_clk_rate()
835 prescaler, divider, clk_in, clk_ios); in mxcmci_set_clk_rate()
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| D | s3cmci.h | 34 u8 prescaler; member
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| /Linux-v4.19/drivers/usb/serial/ |
| D | keyspan.c | 69 u8 *prescaler, int portnum);
73 u8 *prescaler, int portnum);
77 u8 *prescaler, int portnum);
81 u8 *prescaler, int portnum);
196 u8 *rate_hi, u8 *rate_low, u8 *prescaler,
1857 u8 *rate_low, u8 *prescaler, int portnum) in keyspan_usa19_calc_baud() argument
1898 u8 *rate_low, u8 *prescaler, int portnum) in keyspan_usa19hs_calc_baud() argument
1934 u8 *rate_low, u8 *prescaler, int portnum) in keyspan_usa19w_calc_baud() argument
1988 if (prescaler) { in keyspan_usa19w_calc_baud()
1989 *prescaler = best_prescaler; in keyspan_usa19w_calc_baud()
[all …]
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| D | keyspan_usa26msg.h | 154 prescaler; // BOTH: specified as N/8; values 8-ff are valid member
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| D | keyspan_usa67msg.h | 152 prescaler; // specified as N/8; values 8-ff are valid member
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| D | keyspan_usa49msg.h | 142 prescaler, // specified as N/8; values 8-ff are valid member
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| /Linux-v4.19/drivers/iio/trigger/ |
| D | stm32-timer-trigger.c | 108 int prescaler = 0; in stm32_timer_start() local
123 prescaler++; in stm32_timer_start()
125 do_div(div, (prescaler + 1)); in stm32_timer_start()
129 if (prescaler > MAX_TIM_PSC) { in stm32_timer_start()
143 regmap_write(priv->regmap, TIM_PSC, prescaler); in stm32_timer_start()
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| /Linux-v4.19/include/linux/platform_data/ |
| D | dmtimer-omap.h | 50 int (*set_prescaler)(struct omap_dm_timer *timer, int prescaler);
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