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Searched refs:speed_hz (Results 1 – 25 of 36) sorted by relevance

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/linux/drivers/spi/
H A Dspidev.c79 u32 speed_hz; member
109 .speed_hz = spidev->speed_hz, in spidev_sync_write()
125 .speed_hz = spidev->speed_hz, in spidev_sync_read()
281 k_tmp->speed_hz = u_tmp->speed_hz; in spidev_message()
284 if (!k_tmp->speed_hz) in spidev_message()
285 k_tmp->speed_hz = spidev->speed_hz; in spidev_message()
296 k_tmp->speed_hz ? : spidev->spi->max_speed_hz); in spidev_message()
398 retval = put_user(spidev->speed_hz, (__u32 __user *)arg); in spidev_ioctl()
474 spidev->speed_hz = tmp; in spidev_ioctl()
475 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-qcom-qspi.c273 static int qcom_qspi_set_speed(struct qcom_qspi *ctrl, unsigned long speed_hz) in qcom_qspi_set_speed() argument
278 if (speed_hz == ctrl->last_speed) in qcom_qspi_set_speed()
282 ret = dev_pm_opp_set_rate(ctrl->dev, speed_hz * 4); in qcom_qspi_set_speed()
292 avg_bw_cpu = Bps_to_icc(speed_hz); in qcom_qspi_set_speed()
300 avg_bw_mem = Bps_to_icc(speed_hz); in qcom_qspi_set_speed()
307 ctrl->last_speed = speed_hz; in qcom_qspi_set_speed()
428 unsigned long speed_hz; in qcom_qspi_transfer_one() local
432 speed_hz = slv->max_speed_hz; in qcom_qspi_transfer_one()
433 if (xfer->speed_hz) in qcom_qspi_transfer_one()
434 speed_hz = xfer->speed_hz; in qcom_qspi_transfer_one()
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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-rzv2h-rspi.c602 u32 speed_hz = U32_MAX; in rzv2h_rspi_prepare_message() local
612 if (!xfer->speed_hz) in rzv2h_rspi_prepare_message()
615 speed_hz = min(xfer->speed_hz, speed_hz); in rzv2h_rspi_prepare_message()
619 if (speed_hz == U32_MAX) in rzv2h_rspi_prepare_message()
624 if (speed_hz != rspi->last_speed_hz) { in rzv2h_rspi_prepare_message()
625 rspi->freq = rzv2h_rspi_setup_clock(rspi, speed_hz); in rzv2h_rspi_prepare_message()
629 rspi->last_speed_hz = speed_hz; in rzv2h_rspi_prepare_message()
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()
744 xspi->speed_hz = ctlr->max_speed_hz; in cdns_spi_probe()
H A Dspi-uniphier.c42 u32 speed_hz; member
237 if (!priv->is_save_param || priv->speed_hz != t->speed_hz) { in uniphier_spi_setup_transfer()
238 uniphier_spi_set_baudrate(spi, t->speed_hz); in uniphier_spi_setup_transfer()
239 priv->speed_hz = t->speed_hz; in uniphier_spi_setup_transfer()
545 threshold = DIV_ROUND_UP(SSI_POLL_TIMEOUT_US * priv->speed_hz, in uniphier_spi_transfer_one()
H A Dspi-amd.h39 unsigned int speed_hz; member
H A Dspi-amlogic-spifc-a4.c906 u32 speed_hz; in aml_set_spi_clk() local
910 speed_hz = SFC_MAX_FREQUENCY; in aml_set_spi_clk()
912 speed_hz = SFC_BUS_DEFAULT_CLK; in aml_set_spi_clk()
914 speed_hz = SFC_MIN_FREQUENCY; in aml_set_spi_clk()
916 speed_hz = spi->max_speed_hz; in aml_set_spi_clk()
925 return clk_set_rate(sfc->core_clk, speed_hz * DEFAULT_BUS_CYCLE); in aml_set_spi_clk()
H A Dspi-dw-core.c350 u32 speed_hz; in dw_spi_update_config() local
387 speed_hz = dws->max_freq / clk_div; in dw_spi_update_config()
389 if (dws->current_freq != speed_hz) { in dw_spi_update_config()
391 dws->current_freq = speed_hz; in dw_spi_update_config()
503 .freq = transfer->speed_hz, in dw_spi_transfer_one()
H A Dspi-cavium.c48 clkdiv = p->sys_freq / (2 * xfer->speed_hz); in octeon_spi_do_transfer()
H A Dspi.c1647 u32 speed_hz = xfer->speed_hz; in spi_transfer_wait() local
1656 if (!speed_hz) in spi_transfer_wait()
1657 speed_hz = 100000; in spi_transfer_wait()
1666 do_div(ms, speed_hz); in spi_transfer_wait()
1731 hz = xfer->effective_speed_hz ?: xfer->speed_hz / 2; in spi_delay_to_ns()
4522 if (!xfer->speed_hz) in __spi_validate()
4523 xfer->speed_hz = spi->max_speed_hz; in __spi_validate()
4525 if (ctlr->max_speed_hz && xfer->speed_hz > ctlr->max_speed_hz) in __spi_validate()
4526 xfer->speed_hz = ctlr->max_speed_hz; in __spi_validate()
4548 if (xfer->speed_hz && ctlr->min_speed_hz && in __spi_validate()
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H A Dspi-sc18is602.c199 status = sc18is602_setup_transfer(hw, t->speed_hz, spi->mode); in sc18is602_transfer_one()
H A Dspi-loopback-test.c584 if (!xfer->speed_hz) in spi_test_check_elapsed_time()
586 estimated_time += div_u64(nbits * NSEC_PER_SEC, xfer->speed_hz); in spi_test_check_elapsed_time()
/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.c424 xfer->t.speed_hz = wm0010->sysclk / 6; in wm0010_firmware_load()
426 xfer->t.speed_hz = wm0010->max_spi_freq; in wm0010_firmware_load()
430 xfer->t.speed_hz = wm0010->board_max_spi_speed; in wm0010_firmware_load()
434 wm0010->max_spi_freq = xfer->t.speed_hz; in wm0010_firmware_load()
512 t.speed_hz = wm0010->sysclk / 10; in wm0010_stage2_load()
516 t.speed_hz); in wm0010_stage2_load()
638 t.speed_hz = wm0010->sysclk / 6; in wm0010_boot()
H A Drt5677-spi.c491 t[0].speed_hz = RT5677_SPI_FREQ; in rt5677_spi_read()
493 t[1].speed_hz = RT5677_SPI_FREQ; in rt5677_spi_read()
543 t.speed_hz = RT5677_SPI_FREQ; in rt5677_spi_write()
/linux/drivers/iio/imu/
H A Dadis_buffer.c54 adis->xfer[0].speed_hz = adis->data->burst_max_speed_hz; in adis_update_scan_mode_burst()
58 adis->xfer[1].speed_hz = adis->data->burst_max_speed_hz; in adis_update_scan_mode_burst()
/linux/include/uapi/linux/spi/
H A Dspidev.h75 __u32 speed_hz; member
/linux/drivers/i2c/busses/
H A Di2c-mt65xx.c303 unsigned int speed_hz; /* The speed in transfer */ member
597 if (i2c->speed_hz <= I2C_MAX_STANDARD_MODE_FREQ) in mtk_i2c_init_hw()
885 target_speed = i2c->speed_hz; in mtk_i2c_set_speed()
1043 if ((i2c->speed_hz > I2C_MAX_FAST_MODE_PLUS_FREQ) || (left_num >= 1)) in mtk_i2c_do_transfer()
1270 i2c->speed_hz > I2C_MAX_FAST_MODE_PLUS_FREQ) in mtk_i2c_transfer()
1365 ret = of_property_read_u32(np, "clock-frequency", &i2c->speed_hz); in mtk_i2c_parse_dt()
1367 i2c->speed_hz = I2C_MAX_STANDARD_MODE_FREQ; in mtk_i2c_parse_dt()
/linux/drivers/media/rc/
H A Dir-spi.c74 xfer.speed_hz = idata->freq * IR_SPI_BITS_PER_PULSE; in ir_spi_tx()
/linux/drivers/iio/adc/
H A Dad4695.c252 .speed_hz = AD4695_REG_ACCESS_SCLK_HZ, in ad4695_regmap_bus_reg_write()
272 .speed_hz = AD4695_REG_ACCESS_SCLK_HZ, in ad4695_regmap_bus_reg_read()
276 .speed_hz = AD4695_REG_ACCESS_SCLK_HZ, in ad4695_regmap_bus_reg_read()
534 .speed_hz = AD4695_REG_ACCESS_SCLK_HZ, in ad4695_exit_conversion_mode()
971 .speed_hz = AD4695_REG_ACCESS_SCLK_HZ, in ad4695_read_one_sample()
/linux/drivers/staging/fbtft/
H A Dfb_ra8875.c22 .speed_hz = 1000000, in write_spi()
/linux/include/linux/spi/
H A Dspi.h1159 u32 speed_hz; member
1433 return max(xfer->len * 8 * 2 / (xfer->speed_hz / 1000), 500U); in spi_controller_xfer_timeout()

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