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Searched refs:speed_hz (Results 1 – 25 of 79) sorted by relevance

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/linux/drivers/spi/
H A Dspidev.c80 u32 speed_hz; member
110 .speed_hz = spidev->speed_hz, in spidev_sync_write()
126 .speed_hz = spidev->speed_hz, in spidev_sync_read()
282 k_tmp->speed_hz = u_tmp->speed_hz; in spidev_message()
285 if (!k_tmp->speed_hz) in spidev_message()
286 k_tmp->speed_hz = spidev->speed_hz; in spidev_message()
297 k_tmp->speed_hz ? : spidev->spi->max_speed_hz); in spidev_message()
399 retval = put_user(spidev->speed_hz, (__u32 __user *)arg); in spidev_ioctl()
475 spidev->speed_hz = tmp; in spidev_ioctl()
476 dev_dbg(&spi->dev, "%d Hz (max)\n", spidev->speed_hz); in spidev_ioctl()
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H A Dspi-mpc52xx-psc.c41 int speed_hz; member
52 cs->speed_hz = (t && t->speed_hz) in mpc52xx_psc_spi_transfer_setup()
53 ? t->speed_hz : spi->max_speed_hz; in mpc52xx_psc_spi_transfer_setup()
92 if (cs->speed_hz) in mpc52xx_psc_spi_activate_cs()
93 ccr |= (MCLK / cs->speed_hz - 1) & 0xFF; in mpc52xx_psc_spi_activate_cs()
190 if (t->bits_per_word || t->speed_hz) { in mpc52xx_psc_spi_transfer_one_message()
232 cs->speed_hz = spi->max_speed_hz; in mpc52xx_psc_spi_setup()
H A Dspi-jcore.c40 unsigned int speed_hz; member
85 if (speed == hw->speed_hz) in jcore_spi_baudrate()
87 hw->speed_hz = speed; in jcore_spi_baudrate()
112 jcore_spi_baudrate(hw, t->speed_hz); in jcore_spi_txrx()
H A Dspi-omap2-mcspi.c898 static u32 omap2_mcspi_calc_divisor(u32 speed_hz, u32 ref_clk_hz) in omap2_mcspi_calc_divisor() argument
903 if (speed_hz >= (ref_clk_hz >> div)) in omap2_mcspi_calc_divisor()
917 u32 speed_hz = spi->max_speed_hz; in omap2_mcspi_setup_transfer() local
926 if (t && t->speed_hz) in omap2_mcspi_setup_transfer()
927 speed_hz = t->speed_hz; in omap2_mcspi_setup_transfer()
930 speed_hz = min_t(u32, speed_hz, ref_clk_hz); in omap2_mcspi_setup_transfer()
931 if (speed_hz < (ref_clk_hz / OMAP2_MCSPI_MAX_DIVIDER)) { in omap2_mcspi_setup_transfer()
932 clkd = omap2_mcspi_calc_divisor(speed_hz, ref_clk_hz); in omap2_mcspi_setup_transfer()
933 speed_hz = ref_clk_hz >> clkd; in omap2_mcspi_setup_transfer()
936 div = (ref_clk_hz + speed_hz - 1) / speed_hz; in omap2_mcspi_setup_transfer()
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H A Dspi-amd.c113 u32 speed_hz; member
282 static void amd_set_spi_freq(struct amd_spi *amd_spi, u32 speed_hz) in amd_set_spi_freq() argument
287 if (speed_hz >= amd_spi_freq[i].speed_hz) in amd_set_spi_freq()
290 if (amd_spi->speed_hz == amd_spi_freq[i].speed_hz) in amd_set_spi_freq()
293 amd_spi->speed_hz = amd_spi_freq[i].speed_hz; in amd_set_spi_freq()
300 if (amd_spi->speed_hz == AMD_SPI_MAX_HZ) in amd_set_spi_freq()
325 if (xfer->speed_hz) in amd_spi_fifo_xfer()
326 amd_set_spi_freq(amd_spi, xfer->speed_hz); in amd_spi_fifo_xfer()
H A Dspi-mpc512x-psc.c66 int speed_hz; member
77 cs->speed_hz = (t && t->speed_hz) in mpc512x_psc_spi_transfer_setup()
78 ? t->speed_hz : spi->max_speed_hz; in mpc512x_psc_spi_transfer_setup()
115 speed = cs->speed_hz; in mpc512x_psc_spi_activate_cs()
373 cs->speed_hz = spi->max_speed_hz; in mpc512x_psc_spi_setup()
H A Dspi-pic32.c105 u32 speed_hz; /* spi-clk rate */ member
456 if (pic32s->speed_hz != spi->max_speed_hz) { in pic32_spi_prepare_message()
458 pic32s->speed_hz = spi->max_speed_hz; in pic32_spi_prepare_message()
516 if (transfer->speed_hz && (transfer->speed_hz != pic32s->speed_hz)) { in pic32_spi_one_transfer()
517 pic32_spi_set_clk_rate(pic32s, transfer->speed_hz); in pic32_spi_one_transfer()
518 pic32s->speed_hz = transfer->speed_hz; in pic32_spi_one_transfer()
H A Dspi-hisi-kunpeng.c116 u32 speed_hz; /* baud rate */ member
291 struct hisi_chip_data *chip, u32 speed_hz) in hisi_calc_effective_speed() argument
296 chip->clk_div = DIV_ROUND_UP(host->max_speed_hz, speed_hz) + 1; in hisi_calc_effective_speed()
302 if (chip->speed_hz != effective_speed) { in hisi_calc_effective_speed()
304 chip->speed_hz = effective_speed; in hisi_calc_effective_speed()
381 hisi_calc_effective_speed(host, chip, transfer->speed_hz); in hisi_spi_transfer_one()
H A Dspi-amlogic-spisg.c156 u32 speed_hz; member
197 static int aml_spisg_set_speed(struct spisg_device *spisg, uint speed_hz) in aml_spisg_set_speed() argument
201 if (!speed_hz || speed_hz == spisg->speed_hz) in aml_spisg_set_speed()
204 spisg->speed_hz = speed_hz; in aml_spisg_set_speed()
205 clk_set_rate(spisg->sclk, speed_hz); in aml_spisg_set_speed()
213 speed_hz, spisg->effective_speed_hz); in aml_spisg_set_speed()
263 aml_spisg_set_speed(spisg, xfer->speed_hz); in aml_spisg_setup_transfer()
H A Dspi-fsl-lpspi.c99 u32 speed_hz; member
345 if (!config.speed_hz) { in fsl_lpspi_set_bitrate()
351 if (config.speed_hz > perclk_rate / 2) { in fsl_lpspi_set_bitrate()
354 div = DIV_ROUND_UP(perclk_rate, config.speed_hz); in fsl_lpspi_set_bitrate()
375 perclk_rate, config.speed_hz, prescale, scldiv); in fsl_lpspi_set_bitrate()
474 fsl_lpspi->config.speed_hz = t->speed_hz; in fsl_lpspi_setup_transfer()
480 if (!fsl_lpspi->config.speed_hz) in fsl_lpspi_setup_transfer()
481 fsl_lpspi->config.speed_hz = spi->max_speed_hz; in fsl_lpspi_setup_transfer()
616 timeout = (8 + 4) * size / fsl_lpspi->config.speed_hz; in fsl_lpspi_calculate_timeout()
H A Dspi-cadence.c123 u32 speed_hz; member
277 if (xspi->speed_hz != transfer->speed_hz) { in cdns_spi_config_clock_freq()
281 (frequency / (2 << baud_rate_val)) > transfer->speed_hz) in cdns_spi_config_clock_freq()
287 xspi->speed_hz = frequency / (2 << baud_rate_val); in cdns_spi_config_clock_freq()
312 xspi->speed_hz); in cdns_spi_setup_transfer()
743 xspi->speed_hz = ctlr->max_speed_hz; in cdns_spi_probe()
H A Dspi-coldfire-qspi.c132 static u8 mcfqspi_qmr_baud(u32 speed_hz) in mcfqspi_qmr_baud() argument
134 return clamp((MCFQSPI_BUSCLK + speed_hz - 1) / speed_hz, 2u, 255u); in mcfqspi_qmr_baud()
310 qmr |= mcfqspi_qmr_baud(t->speed_hz); in mcfqspi_transfer_one()
H A Dspi-sun6i.c376 if (mclk_rate < (2 * tfr->speed_hz)) { in sun6i_spi_transfer_one()
377 clk_set_rate(sspi->mclk, 2 * tfr->speed_hz); in sun6i_spi_transfer_one()
395 div_cdr1 = DIV_ROUND_UP(mclk_rate, tfr->speed_hz); in sun6i_spi_transfer_one()
408 clk_set_rate(sspi->mclk, tfr->speed_hz); in sun6i_spi_transfer_one()
514 dev_name(&spi->dev), tfr->len, tfr->speed_hz, in sun6i_spi_transfer_one()
H A Dspi-geni-qcom.c117 static int get_spi_clk_cfg(unsigned int speed_hz, in get_spi_clk_cfg() argument
127 speed_hz * mas->oversampling, in get_spi_clk_cfg()
131 ret, speed_hz); in get_spi_clk_cfg()
135 *clk_div = DIV_ROUND_UP(sclk_freq, mas->oversampling * speed_hz); in get_spi_clk_cfg()
138 dev_dbg(mas->dev, "req %u=>%u sclk %lu, idx %d, div %d\n", speed_hz, in get_spi_clk_cfg()
408 xfer->speed_hz != mas->cur_speed_hz) { in setup_gsi_xfer()
410 mas->cur_speed_hz = xfer->speed_hz; in setup_gsi_xfer()
814 ret = geni_spi_set_clock_and_bw(mas, xfer->speed_hz); in setup_se_xfer()
H A Dspi-kspi2.c204 if (t->speed_hz && (t->speed_hz < max_speed_hz)) in kspi2_setup_transfer()
205 max_speed_hz = t->speed_hz; in kspi2_setup_transfer()
H A Dspi-amd.h39 unsigned int speed_hz; member
H A Dspi-fsl-espi.c165 first->speed_hz != t->speed_hz) { in fsl_espi_check_message()
328 u32 pm, hz = t ? t->speed_hz : spi->max_speed_hz; in fsl_espi_setup_transfer()
459 trans.speed_hz = t->speed_hz; in fsl_espi_do_one_msg()
H A Dspi-bcm-qspi.c178 u32 speed_hz; member
296 if (xp->speed_hz) in bcm_qspi_calc_spbr()
297 spbr = clk_speed_hz / (xp->speed_hz * 2); in bcm_qspi_calc_spbr()
604 return (cur->speed_hz != prev->speed_hz) || in bcmspi_parms_did_change()
699 xp.speed_hz = trans->speed_hz; in bcm_qspi_update_parms()
720 xp->speed_hz = spi->max_speed_hz; in bcm_qspi_setup()
1417 parms.speed_hz = qspi->max_speed_hz; in bcm_qspi_hw_init()
H A Dspi-zynqmp-gqspi.c209 u32 speed_hz; member
405 (GQSPI_BAUD_DIV_SHIFT << baud_rate_val)) > xqspi->speed_hz) in zynqmp_qspi_init_hw()
562 if (xqspi->speed_hz != req_speed_hz) { in zynqmp_qspi_config_op()
563 xqspi->speed_hz = req_speed_hz; in zynqmp_qspi_config_op()
1028 bits * xqspi->speed_hz); in zynqmp_qspi_timeout()
1285 xqspi->speed_hz = ctlr->max_speed_hz; in zynqmp_qspi_probe()
/linux/drivers/gpu/drm/
H A Ddrm_mipi_dbi.c898 tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len); in mipi_dbi_spi1e_transfer()
1014 tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len); in mipi_dbi_spi1_transfer()
1063 u32 speed_hz = min_t(u32, MIPI_DBI_MAX_SPI_READ_SPEED, in mipi_dbi_typec1_command_read() local
1067 .speed_hz = speed_hz, in mipi_dbi_typec1_command_read()
1072 .speed_hz = speed_hz, in mipi_dbi_typec1_command_read()
1139 u32 speed_hz = min_t(u32, MIPI_DBI_MAX_SPI_READ_SPEED, in mipi_dbi_typec3_command_read() local
1143 .speed_hz = speed_hz, in mipi_dbi_typec3_command_read()
1147 .speed_hz = speed_hz, in mipi_dbi_typec3_command_read()
1207 u32 speed_hz; in mipi_dbi_typec3_command() local
1217 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); in mipi_dbi_typec3_command()
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/linux/drivers/gpu/drm/tiny/
H A Dili9486.c50 u32 speed_hz; in waveshare_command() local
66 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 2); in waveshare_command()
67 ret = mipi_dbi_spi_transfer(spi, speed_hz, 8, buf, 2); in waveshare_command()
88 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, num); in waveshare_command()
89 ret = mipi_dbi_spi_transfer(spi, speed_hz, bpw, data, num); in waveshare_command()
H A Dili9225.c320 u32 speed_hz; in ili9225_dbi_command() local
325 speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1); in ili9225_dbi_command()
326 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()
337 ret = mipi_dbi_spi_transfer(spi, speed_hz, bpw, par, num); in ili9225_dbi_command()
/linux/net/nfc/nci/
H A Dspi.c49 t.speed_hz = nspi->xfer_speed_hz; in __nci_spi_send()
192 tx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
199 rx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
224 rx.speed_hz = nspi->xfer_speed_hz; in __nci_spi_read()
/linux/drivers/media/dvb-frontends/cxd2880/
H A 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/sound/soc/codecs/
H A Dwm0010.c431 xfer->t.speed_hz = wm0010->sysclk / 6; in wm0010_firmware_load()
433 xfer->t.speed_hz = wm0010->max_spi_freq; in wm0010_firmware_load()
437 xfer->t.speed_hz = wm0010->board_max_spi_speed; in wm0010_firmware_load()
441 wm0010->max_spi_freq = xfer->t.speed_hz; in wm0010_firmware_load()
525 t.speed_hz = wm0010->sysclk / 10; in wm0010_stage2_load()
529 t.speed_hz); in wm0010_stage2_load()
658 t.speed_hz = wm0010->sysclk / 6; in wm0010_boot()

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