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Searched refs:speed_hz (Results 1 – 25 of 84) sorted by relevance

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/Linux-v4.19/drivers/gpu/drm/tinydrm/core/
Dtinydrm-helpers.c334 u32 speed_hz = tr->speed_hz ? tr->speed_hz : spi->max_speed_hz; in tinydrm_dbg_spi_print() local
343 speed_hz > 1000000 ? speed_hz / 1000000 : speed_hz / 1000, in tinydrm_dbg_spi_print()
344 speed_hz > 1000000 ? "MHz" : "kHz", tr->bits_per_word, tr->len, in tinydrm_dbg_spi_print()
383 int tinydrm_spi_transfer(struct spi_device *spi, u32 speed_hz, in tinydrm_spi_transfer() argument
389 .speed_hz = speed_hz, in tinydrm_spi_transfer()
/Linux-v4.19/drivers/spi/
Dspidev.c87 u32 speed_hz; member
126 .speed_hz = spidev->speed_hz, in spidev_sync_write()
141 .speed_hz = spidev->speed_hz, in spidev_sync_read()
278 k_tmp->speed_hz = u_tmp->speed_hz; in spidev_message()
279 if (!k_tmp->speed_hz) in spidev_message()
280 k_tmp->speed_hz = spidev->speed_hz; in spidev_message()
290 u_tmp->speed_hz ? : spidev->spi->max_speed_hz); in spidev_message()
393 retval = put_user(spidev->speed_hz, (__u32 __user *)arg); in spidev_ioctl()
458 spidev->speed_hz = tmp; in spidev_ioctl()
628 spidev->speed_hz = spidev->spi->max_speed_hz; in spidev_release()
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Dspi-oc-tiny.c50 unsigned int speed_hz; member
89 if (t->speed_hz && t->speed_hz != hw->speed_hz) in tiny_spi_setup_transfer()
90 baud = tiny_spi_baud(spi, t->speed_hz); in tiny_spi_setup_transfer()
101 if (spi->max_speed_hz != hw->speed_hz) { in tiny_spi_setup()
102 hw->speed_hz = spi->max_speed_hz; in tiny_spi_setup()
103 hw->baud = tiny_spi_baud(spi, hw->speed_hz); in tiny_spi_setup()
Dspi-mpc52xx-psc.c56 int speed_hz; member
67 cs->speed_hz = (t && t->speed_hz) in mpc52xx_psc_spi_transfer_setup()
68 ? t->speed_hz : spi->max_speed_hz; in mpc52xx_psc_spi_transfer_setup()
107 if (cs->speed_hz) in mpc52xx_psc_spi_activate_cs()
108 ccr |= (MCLK / cs->speed_hz - 1) & 0xFF; in mpc52xx_psc_spi_activate_cs()
226 if (t->bits_per_word || t->speed_hz) { in mpc52xx_psc_spi_work()
280 cs->speed_hz = spi->max_speed_hz; in mpc52xx_psc_spi_setup()
Dspi-jcore.c39 unsigned int speed_hz; member
84 if (speed == hw->speed_hz) return; in jcore_spi_baudrate()
85 hw->speed_hz = speed; in jcore_spi_baudrate()
110 jcore_spi_baudrate(hw, t->speed_hz); in jcore_spi_txrx()
Dspi-omap2-mcspi.c862 static u32 omap2_mcspi_calc_divisor(u32 speed_hz) in omap2_mcspi_calc_divisor() argument
867 if (speed_hz >= (OMAP2_MCSPI_MAX_FREQ >> div)) in omap2_mcspi_calc_divisor()
881 u32 speed_hz = spi->max_speed_hz; in omap2_mcspi_setup_transfer() local
890 if (t && t->speed_hz) in omap2_mcspi_setup_transfer()
891 speed_hz = t->speed_hz; in omap2_mcspi_setup_transfer()
893 speed_hz = min_t(u32, speed_hz, OMAP2_MCSPI_MAX_FREQ); in omap2_mcspi_setup_transfer()
894 if (speed_hz < (OMAP2_MCSPI_MAX_FREQ / OMAP2_MCSPI_MAX_DIVIDER)) { in omap2_mcspi_setup_transfer()
895 clkd = omap2_mcspi_calc_divisor(speed_hz); in omap2_mcspi_setup_transfer()
896 speed_hz = OMAP2_MCSPI_MAX_FREQ >> clkd; in omap2_mcspi_setup_transfer()
899 div = (OMAP2_MCSPI_MAX_FREQ + speed_hz - 1) / speed_hz; in omap2_mcspi_setup_transfer()
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Dspi-fsl-lpspi.c75 u32 speed_hz; member
246 (clkdivs[prescale] * config.speed_hz) - 2; in fsl_lpspi_set_bitrate()
259 perclk_rate, config.speed_hz, prescale, scldiv); in fsl_lpspi_set_bitrate()
298 fsl_lpspi->config.speed_hz = t ? t->speed_hz : spi->max_speed_hz; in fsl_lpspi_setup_transfer()
301 if (!fsl_lpspi->config.speed_hz) in fsl_lpspi_setup_transfer()
302 fsl_lpspi->config.speed_hz = spi->max_speed_hz; in fsl_lpspi_setup_transfer()
Dspi-dw.c39 u32 speed_hz; /* baud rate */ member
302 if (transfer->speed_hz != dws->current_freq) { in dw_spi_transfer_one()
303 if (transfer->speed_hz != chip->speed_hz) { in dw_spi_transfer_one()
305 chip->clk_div = (DIV_ROUND_UP(dws->max_freq, transfer->speed_hz) + 1) & 0xfffe; in dw_spi_transfer_one()
306 chip->speed_hz = transfer->speed_hz; in dw_spi_transfer_one()
308 dws->current_freq = transfer->speed_hz; in dw_spi_transfer_one()
Dspi-cadence.c122 u32 speed_hz; member
266 if (xspi->speed_hz != transfer->speed_hz) { in cdns_spi_config_clock_freq()
270 (frequency / (2 << baud_rate_val)) > transfer->speed_hz) in cdns_spi_config_clock_freq()
276 xspi->speed_hz = frequency / (2 << baud_rate_val); in cdns_spi_config_clock_freq()
301 xspi->speed_hz); in cdns_spi_setup_transfer()
636 xspi->speed_hz = master->max_speed_hz; in cdns_spi_probe()
Dspi-lantiq-ssc.c186 unsigned int speed_hz; member
435 unsigned int speed_hz = t->speed_hz; in hw_setup_transfer() local
440 speed_hz != spi->speed_hz) { in hw_setup_transfer()
442 hw_setup_speed_hz(spi, speed_hz); in hw_setup_transfer()
446 spi->speed_hz = speed_hz; in hw_setup_transfer()
726 do_div(timeout, spi->speed_hz); in lantiq_ssc_bussy_work()
904 spi->speed_hz = 0; in lantiq_ssc_probe()
Dspi-uniphier.c37 u32 speed_hz; member
224 if (!priv->is_save_param || priv->speed_hz != t->speed_hz) { in uniphier_spi_setup_transfer()
225 uniphier_spi_set_baudrate(spi, t->speed_hz); in uniphier_spi_setup_transfer()
226 priv->speed_hz = t->speed_hz; in uniphier_spi_setup_transfer()
Dspi-sun4i.c274 if (mclk_rate < (2 * tfr->speed_hz)) { in sun4i_spi_transfer_one()
275 clk_set_rate(sspi->mclk, 2 * tfr->speed_hz); in sun4i_spi_transfer_one()
293 div = mclk_rate / (2 * tfr->speed_hz); in sun4i_spi_transfer_one()
300 div = ilog2(mclk_rate) - ilog2(tfr->speed_hz); in sun4i_spi_transfer_one()
332 tx_time = max(tfr->len * 8 * 2 / (tfr->speed_hz / 1000), 100U); in sun4i_spi_transfer_one()
340 dev_name(&spi->dev), tfr->len, tfr->speed_hz, in sun4i_spi_transfer_one()
Dspi-pic32.c113 u32 speed_hz; /* spi-clk rate */ member
465 if (pic32s->speed_hz != spi->max_speed_hz) { in pic32_spi_prepare_message()
467 pic32s->speed_hz = spi->max_speed_hz; in pic32_spi_prepare_message()
525 if (transfer->speed_hz && (transfer->speed_hz != pic32s->speed_hz)) { in pic32_spi_one_transfer()
526 pic32_spi_set_clk_rate(pic32s, transfer->speed_hz); in pic32_spi_one_transfer()
527 pic32s->speed_hz = transfer->speed_hz; in pic32_spi_one_transfer()
Dspi-txx9.c183 u32 speed_hz = t->speed_hz; in txx9spi_work_one() local
188 if (prev_speed_hz != speed_hz in txx9spi_work_one()
190 int n = DIV_ROUND_UP(c->baseclk, speed_hz) - 1; in txx9spi_work_one()
200 prev_speed_hz = speed_hz; in txx9spi_work_one()
Dspi-sun6i.c275 if (mclk_rate < (2 * tfr->speed_hz)) { in sun6i_spi_transfer_one()
276 clk_set_rate(sspi->mclk, 2 * tfr->speed_hz); in sun6i_spi_transfer_one()
294 div = mclk_rate / (2 * tfr->speed_hz); in sun6i_spi_transfer_one()
301 div = ilog2(mclk_rate) - ilog2(tfr->speed_hz); in sun6i_spi_transfer_one()
331 tx_time = max(tfr->len * 8 * 2 / (tfr->speed_hz / 1000), 100U); in sun6i_spi_transfer_one()
339 dev_name(&spi->dev), tfr->len, tfr->speed_hz, in sun6i_spi_transfer_one()
Dspi-mpc512x-psc.c77 int speed_hz; member
88 cs->speed_hz = (t && t->speed_hz) in mpc512x_psc_spi_transfer_setup()
89 ? t->speed_hz : spi->max_speed_hz; in mpc512x_psc_spi_transfer_setup()
126 speed = cs->speed_hz; in mpc512x_psc_spi_activate_cs()
397 cs->speed_hz = spi->max_speed_hz; in mpc512x_psc_spi_setup()
Dspi-xcomm.c79 if (t->speed_hz != spi_xcomm->current_speed) { in spi_xcomm_setup_transfer()
82 divider = DIV_ROUND_UP(SPI_XCOMM_CLOCK, t->speed_hz); in spi_xcomm_setup_transfer()
90 spi_xcomm->current_speed = t->speed_hz; in spi_xcomm_setup_transfer()
/Linux-v4.19/drivers/gpu/drm/tinydrm/
Dmipi-dbi.c579 tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len); in mipi_dbi_spi1e_transfer()
698 tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len); in mipi_dbi_spi1_transfer()
768 u32 speed_hz = min_t(u32, MIPI_DBI_MAX_SPI_READ_SPEED, in mipi_dbi_typec3_command_read() local
772 .speed_hz = speed_hz, in mipi_dbi_typec3_command_read()
776 .speed_hz = speed_hz, in mipi_dbi_typec3_command_read()
835 u32 speed_hz; in mipi_dbi_typec3_command() local
844 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); in mipi_dbi_typec3_command()
845 ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1); in mipi_dbi_typec3_command()
853 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, num); in mipi_dbi_typec3_command()
855 return tinydrm_spi_transfer(spi, speed_hz, NULL, bpw, par, num); in mipi_dbi_typec3_command()
Dili9225.c286 u32 speed_hz; in ili9225_dbi_command() local
290 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); in ili9225_dbi_command()
291 ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1); in ili9225_dbi_command()
299 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, num); in ili9225_dbi_command()
301 return tinydrm_spi_transfer(spi, speed_hz, NULL, bpw, par, num); in ili9225_dbi_command()
/Linux-v4.19/net/nfc/nci/
Dspi.c61 t.speed_hz = nspi->xfer_speed_hz; in __nci_spi_send()
202 tx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
209 rx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
233 rx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
/Linux-v4.19/sound/soc/codecs/
Drt5677-spi.c135 t[0].speed_hz = RT5677_SPI_FREQ; in rt5677_spi_read()
137 t[1].speed_hz = RT5677_SPI_FREQ; in rt5677_spi_read()
191 t.speed_hz = RT5677_SPI_FREQ; in rt5677_spi_write()
Dwm0010.c445 xfer->t.speed_hz = wm0010->sysclk / 6; in wm0010_firmware_load()
447 xfer->t.speed_hz = wm0010->max_spi_freq; in wm0010_firmware_load()
451 xfer->t.speed_hz = wm0010->board_max_spi_speed; in wm0010_firmware_load()
455 wm0010->max_spi_freq = xfer->t.speed_hz; in wm0010_firmware_load()
541 t.speed_hz = wm0010->sysclk / 10; in wm0010_stage2_load()
545 t.speed_hz); in wm0010_stage2_load()
674 t.speed_hz = wm0010->sysclk / 6; in wm0010_boot()
/Linux-v4.19/drivers/media/dvb-frontends/cxd2880/
Dcxd2880_spi_device.c67 u32 speed_hz) in cxd2880_spi_device_initialize() argument
89 spi->max_speed_hz = speed_hz; in cxd2880_spi_device_initialize()
/Linux-v4.19/drivers/i2c/busses/
Di2c-mt65xx.c161 unsigned int speed_hz; /* The speed in transfer */ member
397 target_speed = i2c->speed_hz; in mtk_i2c_set_speed()
457 if ((i2c->speed_hz > 400000) || (left_num >= 1)) in mtk_i2c_do_transfer()
466 if (i2c->speed_hz <= 100000) in mtk_i2c_do_transfer()
629 if (i2c->auto_restart && num >= 2 && i2c->speed_hz > MAX_FS_MODE_SPEED) in mtk_i2c_transfer()
718 ret = of_property_read_u32(np, "clock-frequency", &i2c->speed_hz); in mtk_i2c_parse_dt()
720 i2c->speed_hz = I2C_DEFAULT_SPEED; in mtk_i2c_parse_dt()
/Linux-v4.19/drivers/staging/mt7621-spi/
Dspi-mt7621.c276 if (t->speed_hz < speed) in mt7621_spi_transfer_half_duplex()
277 speed = t->speed_hz; in mt7621_spi_transfer_half_duplex()
334 if (speed > t->speed_hz) in mt7621_spi_transfer_full_duplex()
335 speed = t->speed_hz; in mt7621_spi_transfer_full_duplex()

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