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Searched refs:speed_hz (Results 1 – 25 of 92) sorted by relevance

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/Linux-v5.4/drivers/spi/
Dspidev.c78 u32 speed_hz; member
117 .speed_hz = spidev->speed_hz, in spidev_sync_write()
132 .speed_hz = spidev->speed_hz, in spidev_sync_read()
269 k_tmp->speed_hz = u_tmp->speed_hz; in spidev_message()
271 if (!k_tmp->speed_hz) in spidev_message()
272 k_tmp->speed_hz = spidev->speed_hz; in spidev_message()
283 u_tmp->speed_hz ? : spidev->spi->max_speed_hz); in spidev_message()
386 retval = put_user(spidev->speed_hz, (__u32 __user *)arg); in spidev_ioctl()
451 spidev->speed_hz = tmp; in spidev_ioctl()
621 spidev->speed_hz = spidev->spi->max_speed_hz; in spidev_release()
[all …]
Dspi-oc-tiny.c47 unsigned int speed_hz; member
86 if (t->speed_hz && t->speed_hz != hw->speed_hz) in tiny_spi_setup_transfer()
87 baud = tiny_spi_baud(spi, t->speed_hz); in tiny_spi_setup_transfer()
98 if (spi->max_speed_hz != hw->speed_hz) { in tiny_spi_setup()
99 hw->speed_hz = spi->max_speed_hz; in tiny_spi_setup()
100 hw->baud = tiny_spi_baud(spi, hw->speed_hz); in tiny_spi_setup()
Dspi-mpc52xx-psc.c52 int speed_hz; member
63 cs->speed_hz = (t && t->speed_hz) in mpc52xx_psc_spi_transfer_setup()
64 ? t->speed_hz : spi->max_speed_hz; in mpc52xx_psc_spi_transfer_setup()
103 if (cs->speed_hz) in mpc52xx_psc_spi_activate_cs()
104 ccr |= (MCLK / cs->speed_hz - 1) & 0xFF; in mpc52xx_psc_spi_activate_cs()
222 if (t->bits_per_word || t->speed_hz) { in mpc52xx_psc_spi_work()
276 cs->speed_hz = spi->max_speed_hz; in mpc52xx_psc_spi_setup()
Dspi-jcore.c40 unsigned int speed_hz; member
85 if (speed == hw->speed_hz) return; in jcore_spi_baudrate()
86 hw->speed_hz = speed; in jcore_spi_baudrate()
111 jcore_spi_baudrate(hw, t->speed_hz); in jcore_spi_txrx()
Dspi-cadence.c118 u32 speed_hz; member
258 if (xspi->speed_hz != transfer->speed_hz) { in cdns_spi_config_clock_freq()
262 (frequency / (2 << baud_rate_val)) > transfer->speed_hz) in cdns_spi_config_clock_freq()
268 xspi->speed_hz = frequency / (2 << baud_rate_val); in cdns_spi_config_clock_freq()
293 xspi->speed_hz); in cdns_spi_setup_transfer()
563 xspi->speed_hz = master->max_speed_hz; in cdns_spi_probe()
Dspi-omap2-mcspi.c880 static u32 omap2_mcspi_calc_divisor(u32 speed_hz) in omap2_mcspi_calc_divisor() argument
885 if (speed_hz >= (OMAP2_MCSPI_MAX_FREQ >> div)) in omap2_mcspi_calc_divisor()
899 u32 speed_hz = spi->max_speed_hz; in omap2_mcspi_setup_transfer() local
908 if (t && t->speed_hz) in omap2_mcspi_setup_transfer()
909 speed_hz = t->speed_hz; in omap2_mcspi_setup_transfer()
911 speed_hz = min_t(u32, speed_hz, OMAP2_MCSPI_MAX_FREQ); in omap2_mcspi_setup_transfer()
912 if (speed_hz < (OMAP2_MCSPI_MAX_FREQ / OMAP2_MCSPI_MAX_DIVIDER)) { in omap2_mcspi_setup_transfer()
913 clkd = omap2_mcspi_calc_divisor(speed_hz); in omap2_mcspi_setup_transfer()
914 speed_hz = OMAP2_MCSPI_MAX_FREQ >> clkd; in omap2_mcspi_setup_transfer()
917 div = (OMAP2_MCSPI_MAX_FREQ + speed_hz - 1) / speed_hz; in omap2_mcspi_setup_transfer()
[all …]
Dspi-dw.c30 u32 speed_hz; /* baud rate */ member
294 if (transfer->speed_hz != dws->current_freq) { in dw_spi_transfer_one()
295 if (transfer->speed_hz != chip->speed_hz) { in dw_spi_transfer_one()
297 chip->clk_div = (DIV_ROUND_UP(dws->max_freq, transfer->speed_hz) + 1) & 0xfffe; in dw_spi_transfer_one()
298 chip->speed_hz = transfer->speed_hz; in dw_spi_transfer_one()
300 dws->current_freq = transfer->speed_hz; in dw_spi_transfer_one()
Dspi-uniphier.c39 u32 speed_hz; member
227 if (!priv->is_save_param || priv->speed_hz != t->speed_hz) { in uniphier_spi_setup_transfer()
228 uniphier_spi_set_baudrate(spi, t->speed_hz); in uniphier_spi_setup_transfer()
229 priv->speed_hz = t->speed_hz; in uniphier_spi_setup_transfer()
402 threshold = DIV_ROUND_UP(SSI_POLL_TIMEOUT_US * priv->speed_hz, in uniphier_spi_transfer_one()
Dspi-npcm-pspi.c32 u32 speed_hz; member
186 if (!priv->is_save_param || priv->speed_hz != t->speed_hz) { in npcm_pspi_setup_transfer()
187 npcm_pspi_set_baudrate(priv, t->speed_hz); in npcm_pspi_setup_transfer()
188 priv->speed_hz = t->speed_hz; in npcm_pspi_setup_transfer()
Dspi-sun4i.c270 if (mclk_rate < (2 * tfr->speed_hz)) { in sun4i_spi_transfer_one()
271 clk_set_rate(sspi->mclk, 2 * tfr->speed_hz); in sun4i_spi_transfer_one()
289 div = mclk_rate / (2 * tfr->speed_hz); in sun4i_spi_transfer_one()
296 div = ilog2(mclk_rate) - ilog2(tfr->speed_hz); in sun4i_spi_transfer_one()
328 tx_time = max(tfr->len * 8 * 2 / (tfr->speed_hz / 1000), 100U); in sun4i_spi_transfer_one()
336 dev_name(&spi->dev), tfr->len, tfr->speed_hz, in sun4i_spi_transfer_one()
Dspi-lantiq-ssc.c183 unsigned int speed_hz; member
432 unsigned int speed_hz = t->speed_hz; in hw_setup_transfer() local
437 speed_hz != spi->speed_hz) { in hw_setup_transfer()
439 hw_setup_speed_hz(spi, speed_hz); in hw_setup_transfer()
443 spi->speed_hz = speed_hz; in hw_setup_transfer()
723 do_div(timeout, spi->speed_hz); in lantiq_ssc_bussy_work()
895 spi->speed_hz = 0; in lantiq_ssc_probe()
Dspi-sun6i.c271 if (mclk_rate < (2 * tfr->speed_hz)) { in sun6i_spi_transfer_one()
272 clk_set_rate(sspi->mclk, 2 * tfr->speed_hz); in sun6i_spi_transfer_one()
290 div = mclk_rate / (2 * tfr->speed_hz); in sun6i_spi_transfer_one()
297 div = ilog2(mclk_rate) - ilog2(tfr->speed_hz); in sun6i_spi_transfer_one()
327 tx_time = max(tfr->len * 8 * 2 / (tfr->speed_hz / 1000), 100U); in sun6i_spi_transfer_one()
335 dev_name(&spi->dev), tfr->len, tfr->speed_hz, in sun6i_spi_transfer_one()
Dspi-pic32.c105 u32 speed_hz; /* spi-clk rate */ member
457 if (pic32s->speed_hz != spi->max_speed_hz) { in pic32_spi_prepare_message()
459 pic32s->speed_hz = spi->max_speed_hz; in pic32_spi_prepare_message()
517 if (transfer->speed_hz && (transfer->speed_hz != pic32s->speed_hz)) { in pic32_spi_one_transfer()
518 pic32_spi_set_clk_rate(pic32s, transfer->speed_hz); in pic32_spi_one_transfer()
519 pic32s->speed_hz = transfer->speed_hz; in pic32_spi_one_transfer()
Dspi-geni-qcom.c92 static int get_spi_clk_cfg(unsigned int speed_hz, in get_spi_clk_cfg() argument
103 speed_hz * mas->oversampling, in get_spi_clk_cfg()
107 ret, speed_hz); in get_spi_clk_cfg()
111 *clk_div = DIV_ROUND_UP(sclk_freq, mas->oversampling * speed_hz); in get_spi_clk_cfg()
114 dev_dbg(mas->dev, "req %u=>%u sclk %lu, idx %d, div %d\n", speed_hz, in get_spi_clk_cfg()
318 if (xfer->speed_hz != mas->cur_speed_hz) { in setup_fifo_xfer()
323 ret = get_spi_clk_cfg(xfer->speed_hz, mas, &idx, &div); in setup_fifo_xfer()
335 mas->cur_speed_hz = xfer->speed_hz; in setup_fifo_xfer()
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-mpc512x-psc.c73 int speed_hz; member
84 cs->speed_hz = (t && t->speed_hz) in mpc512x_psc_spi_transfer_setup()
85 ? t->speed_hz : spi->max_speed_hz; in mpc512x_psc_spi_transfer_setup()
122 speed = cs->speed_hz; in mpc512x_psc_spi_activate_cs()
393 cs->speed_hz = spi->max_speed_hz; in mpc512x_psc_spi_setup()
Dspi-qcom-qspi.c230 unsigned long speed_hz; in qcom_qspi_transfer_one() local
233 speed_hz = slv->max_speed_hz; in qcom_qspi_transfer_one()
234 if (xfer->speed_hz) in qcom_qspi_transfer_one()
235 speed_hz = xfer->speed_hz; in qcom_qspi_transfer_one()
238 ret = clk_set_rate(ctrl->clks[QSPI_CLK_CORE].clk, speed_hz * 4); in qcom_qspi_transfer_one()
Dspi-fsl-lpspi.c96 u32 speed_hz; member
327 if (config.speed_hz > perclk_rate / 2) { in fsl_lpspi_set_bitrate()
335 (clkdivs[prescale] * config.speed_hz) - 2; in fsl_lpspi_set_bitrate()
349 perclk_rate, config.speed_hz, prescale, scldiv); in fsl_lpspi_set_bitrate()
446 fsl_lpspi->config.speed_hz = t->speed_hz; in fsl_lpspi_setup_transfer()
449 if (!fsl_lpspi->config.speed_hz) in fsl_lpspi_setup_transfer()
450 fsl_lpspi->config.speed_hz = spi->max_speed_hz; in fsl_lpspi_setup_transfer()
556 timeout = (8 + 4) * size / fsl_lpspi->config.speed_hz; in fsl_lpspi_calculate_timeout()
Dspi-xcomm.c78 if (t->speed_hz != spi_xcomm->current_speed) { in spi_xcomm_setup_transfer()
81 divider = DIV_ROUND_UP(SPI_XCOMM_CLOCK, t->speed_hz); in spi_xcomm_setup_transfer()
89 spi_xcomm->current_speed = t->speed_hz; in spi_xcomm_setup_transfer()
/Linux-v5.4/drivers/gpu/drm/
Ddrm_mipi_dbi.c790 tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len); in mipi_dbi_spi1e_transfer()
906 tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len); in mipi_dbi_spi1_transfer()
975 u32 speed_hz = min_t(u32, MIPI_DBI_MAX_SPI_READ_SPEED, in mipi_dbi_typec3_command_read() local
979 .speed_hz = speed_hz, in mipi_dbi_typec3_command_read()
983 .speed_hz = speed_hz, in mipi_dbi_typec3_command_read()
1040 u32 speed_hz; in mipi_dbi_typec3_command() local
1049 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); in mipi_dbi_typec3_command()
1050 ret = mipi_dbi_spi_transfer(spi, speed_hz, 8, cmd, 1); in mipi_dbi_typec3_command()
1058 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, num); in mipi_dbi_typec3_command()
1060 return mipi_dbi_spi_transfer(spi, speed_hz, bpw, par, num); in mipi_dbi_typec3_command()
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/Linux-v5.4/net/nfc/nci/
Dspi.c48 t.speed_hz = nspi->xfer_speed_hz; in __nci_spi_send()
189 tx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
196 rx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
220 rx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
/Linux-v5.4/sound/soc/codecs/
Drt5677-spi.c134 t[0].speed_hz = RT5677_SPI_FREQ; in rt5677_spi_read()
136 t[1].speed_hz = RT5677_SPI_FREQ; in rt5677_spi_read()
188 t.speed_hz = RT5677_SPI_FREQ; in rt5677_spi_write()
/Linux-v5.4/drivers/staging/kpc2000/
Dkpc2000_spi.c315 if (transfer->speed_hz > KP_SPI_CLK || in kp_spi_transfer_one_message()
318 transfer->speed_hz, in kp_spi_transfer_one_message()
326 if (transfer->speed_hz && in kp_spi_transfer_one_message()
327 transfer->speed_hz < (KP_SPI_CLK >> 15)) { in kp_spi_transfer_one_message()
329 transfer->speed_hz, in kp_spi_transfer_one_message()
/Linux-v5.4/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-v5.4/drivers/gpu/drm/tiny/
Dili9225.c323 u32 speed_hz; in ili9225_dbi_command() local
327 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); in ili9225_dbi_command()
328 ret = mipi_dbi_spi_transfer(spi, speed_hz, 8, cmd, 1); in ili9225_dbi_command()
336 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, num); in ili9225_dbi_command()
338 return mipi_dbi_spi_transfer(spi, speed_hz, bpw, par, num); in ili9225_dbi_command()

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