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Searched refs:clk_div (Results 1 – 25 of 62) sorted by relevance

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/linux/drivers/pwm/
H A Dpwm-crc.c42 int clk_div; in crc_pwm_calc_clk_div() local
44 clk_div = PWM_BASE_CLK_MHZ * period_ns / (256 * NSEC_PER_USEC); in crc_pwm_calc_clk_div()
46 if (clk_div > 0) in crc_pwm_calc_clk_div()
47 clk_div--; in crc_pwm_calc_clk_div()
49 return clk_div; in crc_pwm_calc_clk_div()
100 int clk_div = crc_pwm_calc_clk_div(state->period); in crc_pwm_apply() local
104 clk_div | pwm_output_enable); in crc_pwm_apply()
127 unsigned int clk_div, clk_div_reg, duty_cycle_reg; in crc_pwm_get_state() local
142 clk_div = (clk_div_reg & ~PWM_OUTPUT_ENABLE) + 1; in crc_pwm_get_state()
145 DIV_ROUND_UP(clk_div * NSEC_PER_USEC * 256, PWM_BASE_CLK_MHZ); in crc_pwm_get_state()
H A Dpwm-mtk-disp.c73 u32 clk_div, period, high_width, value; in mtk_disp_pwm_apply() local
118 clk_div = mul_u64_u64_div_u64(state->period, rate, NSEC_PER_SEC) >> in mtk_disp_pwm_apply()
120 if (clk_div > PWM_CLKDIV_MAX) { in mtk_disp_pwm_apply()
128 div = NSEC_PER_SEC * (clk_div + 1); in mtk_disp_pwm_apply()
151 clk_div << PWM_CLKDIV_SHIFT); in mtk_disp_pwm_apply()
178 u32 clk_div, pwm_en, con0, con1; in mtk_disp_pwm_get_state() local
209 clk_div = FIELD_GET(PWM_CLKDIV_MASK, con0); in mtk_disp_pwm_get_state()
215 state->period = DIV64_U64_ROUND_UP(period * (clk_div + 1) * NSEC_PER_SEC, rate); in mtk_disp_pwm_get_state()
217 state->duty_cycle = DIV64_U64_ROUND_UP(high_width * (clk_div + 1) * NSEC_PER_SEC, in mtk_disp_pwm_get_state()
/linux/drivers/net/ethernet/xilinx/
H A Dll_temac_mdio.c70 int clk_div; in temac_mdio_setup() local
82 clk_div = 0x3f; /* worst-case default setting */ in temac_mdio_setup()
84 clk_div = bus_hz / (2500 * 1000 * 2) - 1; in temac_mdio_setup()
85 if (clk_div < 1) in temac_mdio_setup()
86 clk_div = 1; in temac_mdio_setup()
87 if (clk_div > 0x3f) in temac_mdio_setup()
88 clk_div = 0x3f; in temac_mdio_setup()
94 temac_indirect_out32(lp, XTE_MC_OFFSET, 1 << 6 | clk_div); in temac_mdio_setup()
H A Dxilinx_axienet_mdio.c179 u32 clk_div; in axienet_mdio_enable() local
240 clk_div = (host_clock / (mdio_freq * 2)) - 1; in axienet_mdio_enable()
247 clk_div++; in axienet_mdio_enable()
250 if (clk_div & ~XAE_MDIO_MC_CLOCK_DIVIDE_MAX) { in axienet_mdio_enable()
254 lp->mii_clk_div = (u8)clk_div; in axienet_mdio_enable()
/linux/drivers/clk/mxs/
H A Dclk-div.c21 struct clk_div { struct
28 static inline struct clk_div *to_clk_div(struct clk_hw *hw) in to_clk_div() argument
32 return container_of(divider, struct clk_div, divider); in to_clk_div()
38 struct clk_div *div = to_clk_div(hw); in clk_div_recalc_rate()
46 struct clk_div *div = to_clk_div(hw); in clk_div_determine_rate()
54 struct clk_div *div = to_clk_div(hw); in clk_div_set_rate()
73 struct clk_div *div; in mxs_clk_div()
/linux/arch/mips/ath25/
H A Dar2315.c208 unsigned int clk_div; in ar2315_sys_clk() local
221 clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKM_DIV); in ar2315_sys_clk()
222 clk_div = pllc_divide_table[clk_div]; in ar2315_sys_clk()
225 clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKC_DIV); in ar2315_sys_clk()
226 clk_div = pllc_divide_table[clk_div]; in ar2315_sys_clk()
230 clk_div = 1; in ar2315_sys_clk()
237 return pllc_out / (clk_div * cpu_div); in ar2315_sys_clk()
/linux/drivers/spi/
H A Dspi-hisi-kunpeng.c117 u16 clk_div; /* baud rate divider */ member
278 if (chip->clk_div % chip->div_pre == 0) in __hisi_calc_div_reg()
284 if (chip->div_pre > chip->clk_div) in __hisi_calc_div_reg()
285 chip->div_pre = chip->clk_div; in __hisi_calc_div_reg()
287 chip->div_post = (chip->clk_div / chip->div_pre) - 1; in __hisi_calc_div_reg()
296 chip->clk_div = DIV_ROUND_UP(host->max_speed_hz, speed_hz) + 1; in hisi_calc_effective_speed()
297 chip->clk_div &= 0xfffe; in hisi_calc_effective_speed()
298 if (chip->clk_div > CLK_DIV_MAX) in hisi_calc_effective_speed()
299 chip->clk_div = CLK_DIV_MAX; in hisi_calc_effective_speed()
301 effective_speed = host->max_speed_hz / chip->clk_div; in hisi_calc_effective_speed()
H A Dspi-s3c64xx.c172 int clk_div; member
700 int div = sdd->port_conf->clk_div; in s3c64xx_spi_config()
1010 div = sdd->port_conf->clk_div; in s3c64xx_spi_setup()
1514 .clk_div = 2,
1523 .clk_div = 2,
1533 .clk_div = 2,
1545 .clk_div = 2,
1557 .clk_div = 2,
1569 .clk_div = 4,
1583 .clk_div = 4,
[all …]
H A Dspi-pxa2xx.c293 u32 clk_div, u8 bits) in pxa2xx_configure_sscr0() argument
297 return clk_div in pxa2xx_configure_sscr0()
301 return clk_div in pxa2xx_configure_sscr0()
910 unsigned int clk_div; in pxa2xx_ssp_get_clk_div() local
914 clk_div = quark_x1000_get_clk_div(rate, &chip->dds_rate); in pxa2xx_ssp_get_clk_div()
917 clk_div = ssp_get_clk_div(drv_data, rate); in pxa2xx_ssp_get_clk_div()
920 return clk_div << 8; in pxa2xx_ssp_get_clk_div()
942 u32 clk_div; in pxa2xx_spi_transfer_one() local
972 clk_div = pxa2xx_ssp_get_clk_div(drv_data, speed); in pxa2xx_spi_transfer_one()
1013 cr0 = pxa2xx_configure_sscr0(drv_data, clk_div, bits); in pxa2xx_spi_transfer_one()
H A Dspi-axi-spi-engine.c306 unsigned int clk_div, max_hz = msg->spi->controller->max_speed_hz; in spi_engine_precompile_message() local
317 clk_div = DIV_ROUND_UP(max_hz, xfer->speed_hz); in spi_engine_precompile_message()
318 xfer->effective_speed_hz = max_hz / min(clk_div, 256U); in spi_engine_precompile_message()
375 int clk_div, new_clk_div, inst_ns; in spi_engine_compile_message() local
386 clk_div = 1; in spi_engine_compile_message()
435 if (new_clk_div != clk_div) { in spi_engine_compile_message()
436 clk_div = new_clk_div; in spi_engine_compile_message()
440 clk_div - 1)); in spi_engine_compile_message()
481 if (clk_div != 1) in spi_engine_compile_message()
/linux/drivers/bus/
H A Dsunxi-rsb.c653 int clk_div, ret; in sunxi_rsb_hw_init() local
680 clk_div = p_clk_freq / rsb->clk_freq / 2; in sunxi_rsb_hw_init()
681 if (!clk_div) in sunxi_rsb_hw_init()
682 clk_div = 1; in sunxi_rsb_hw_init()
683 else if (clk_div > RSB_CCR_MAX_CLK_DIV + 1) in sunxi_rsb_hw_init()
684 clk_div = RSB_CCR_MAX_CLK_DIV + 1; in sunxi_rsb_hw_init()
686 clk_delay = clk_div >> 1; in sunxi_rsb_hw_init()
690 dev_info(dev, "RSB running at %lu Hz\n", p_clk_freq / clk_div / 2); in sunxi_rsb_hw_init()
691 writel(RSB_CCR_SDA_OUT_DELAY(clk_delay) | RSB_CCR_CLK_DIV(clk_div - 1), in sunxi_rsb_hw_init()
/linux/sound/soc/sti/
H A Duniperif_player.c316 int clk_div; in uni_player_prepare_iec958() local
318 clk_div = player->mclk / runtime->rate; in uni_player_prepare_iec958()
321 if ((clk_div % 128) || (clk_div <= 0)) { in uni_player_prepare_iec958()
323 __func__, clk_div); in uni_player_prepare_iec958()
398 SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / 128); in uni_player_prepare_iec958()
419 int output_frame_size, slot_width, clk_div; in uni_player_prepare_pcm() local
430 clk_div = player->mclk / runtime->rate; in uni_player_prepare_pcm()
435 if ((slot_width == 32) && (clk_div % 128)) { in uni_player_prepare_pcm()
440 if ((slot_width == 16) && (clk_div % 64)) { in uni_player_prepare_pcm()
487 SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / (2 * output_frame_size)); in uni_player_prepare_pcm()
/linux/include/linux/dma/
H A Dqcom-gpi-dma.h43 u32 clk_div; member
77 u16 clk_div; member
/linux/sound/soc/codecs/
H A Dlpass-va-macro.c618 u8 clk_div; in va_dmic_clk_enable() local
656 clk_div = va->dmic_clk_div; in va_dmic_clk_enable()
665 clk_div << CDC_VA_DMIC_CLK_SEL_SHFT); in va_dmic_clk_enable()
670 if (*dmic_clk_div > clk_div) { in va_dmic_clk_enable()
677 clk_div << CDC_VA_DMIC_CLK_SEL_SHFT); in va_dmic_clk_enable()
683 clk_div = *dmic_clk_div; in va_dmic_clk_enable()
686 *dmic_clk_div = clk_div; in va_dmic_clk_enable()
692 clk_div = 0; in va_dmic_clk_enable()
695 clk_div << CDC_VA_DMIC_CLK_SEL_SHFT); in va_dmic_clk_enable()
697 clk_div = va->dmic_clk_div; in va_dmic_clk_enable()
[all …]
H A Dlm49453.c1111 u16 clk_div = 0; in lm49453_hw_params() local
1120 clk_div = 256; in lm49453_hw_params()
1125 clk_div = 216; in lm49453_hw_params()
1128 clk_div = 127; in lm49453_hw_params()
1134 snd_soc_component_write(component, LM49453_P0_ADC_CLK_DIV_REG, clk_div); in lm49453_hw_params()
1135 snd_soc_component_write(component, LM49453_P0_DAC_HP_CLK_DIV_REG, clk_div); in lm49453_hw_params()
/linux/drivers/media/dvb-frontends/
H A Dstv6110.c29 u8 clk_div; member
214 priv->regs[RSTV6110_CTRL2] |= (priv->clk_div << 6); in stv6110_init()
398 reg0[2] |= (config->clk_div << 6); in stv6110_attach()
418 priv->clk_div = config->clk_div; in stv6110_attach()
/linux/drivers/rtc/
H A Drtc-s32g.c70 u32 clk_div; member
75 .clk_div = DIV512_32,
204 switch (priv->rtc_data->clk_div) { in rtc_clk_src_setup()
314 priv->rtc_hz = DIV_ROUND_UP(rtc_hz, priv->rtc_data->clk_div); in s32g_rtc_probe()
/linux/drivers/leds/
H A Dleds-bcm6358.c153 u32 clk_div; in bcm6358_leds_probe() local
169 of_property_read_u32(np, "brcm,clk-div", &clk_div); in bcm6358_leds_probe()
170 switch (clk_div) { in bcm6358_leds_probe()
/linux/drivers/video/fbdev/omap/
H A Dsossi.c60 int clk_div; member
124 int div = t->clk_div; in calc_rd_timings()
175 int div = t->clk_div; in calc_wr_timings()
258 _set_timing(sossi.clk_div, in set_timing()
317 int div = t->clk_div; in sossi_convert_timings()
348 sossi.clk_div = t->tim[4]; in sossi_set_timings()
/linux/drivers/gpu/drm/renesas/shmobile/
H A Dshmob_drm_crtc.c205 unsigned int clk_div = sdev->config.clk_div; in shmob_drm_crtc_atomic_enable() local
227 if (clk_div) { in shmob_drm_crtc_atomic_enable()
232 lcdc_write(sdev, LDDCKPAT2R, (1 << (clk_div / 2)) - 1); in shmob_drm_crtc_atomic_enable()
234 if (clk_div == 1) in shmob_drm_crtc_atomic_enable()
237 value |= clk_div; in shmob_drm_crtc_atomic_enable()
H A Dshmob_drm_drv.c213 sdev->config.clk_div = pdata->iface.clk_div; in shmob_drm_probe()
273 .clk_div = 5,
/linux/sound/soc/ti/
H A Domap-dmic.c41 int clk_div; member
194 dmic->clk_div = omap_dmic_select_divider(dmic, params_rate(params)); in omap_dmic_dai_hw_params()
195 if (dmic->clk_div < 0) { in omap_dmic_dai_hw_params()
249 ctrl |= OMAP_DMIC_CLK_DIV(dmic->clk_div); in omap_dmic_dai_prepare()
/linux/drivers/mmc/host/
H A Dtifm_sd.c98 unsigned int clk_div; member
595 ((1000000000UL / host->clk_freq) * host->clk_div); in tifm_sd_set_data_timeout()
827 host->clk_div = clk_div1; in tifm_sd_ios()
833 host->clk_div = clk_div2; in tifm_sd_ios()
839 host->clk_div = 0; in tifm_sd_ios()
841 host->clk_div &= TIFM_MMCSD_CLKMASK; in tifm_sd_ios()
842 writel(host->clk_div in tifm_sd_ios()
883 host->clk_div = 61; in tifm_sd_initialize_host()
886 writel(host->clk_div | TIFM_MMCSD_POWER, in tifm_sd_initialize_host()
905 writel(host->clk_div | TIFM_MMCSD_POWER, in tifm_sd_initialize_host()
/linux/drivers/usb/serial/
H A Dch341.c181 unsigned int fact, div, clk_div; in ch341_get_divisor() local
205 clk_div = CH341_CLK_DIV(ps, fact); in ch341_get_divisor()
206 div = CH341_CLKRATE / (clk_div * speed); in ch341_get_divisor()
215 clk_div *= 2; in ch341_get_divisor()
226 if (16 * CH341_CLKRATE / (clk_div * div) - 16 * speed >= in ch341_get_divisor()
227 16 * speed - 16 * CH341_CLKRATE / (clk_div * (div + 1))) in ch341_get_divisor()
/linux/drivers/media/pci/solo6x10/
H A Dsolo6x10-g723.c55 int clk_div; in solo_g723_config() local
57 clk_div = (solo_dev->clock_mhz * 1000000) in solo_g723_config()
62 | SOLO_AUDIO_CLK_DIV(clk_div)); in solo_g723_config()

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