Searched refs:spi_hz (Results 1 – 5 of 5) sorted by relevance
| /Linux-v6.6/drivers/spi/ |
| D | spi-bcm2835aux.c | 345 unsigned long spi_hz, clk_hz, speed; in bcm2835aux_spi_transfer_one() local
357 spi_hz = tfr->speed_hz; in bcm2835aux_spi_transfer_one()
360 if (spi_hz >= clk_hz / 2) { in bcm2835aux_spi_transfer_one()
362 } else if (spi_hz) { in bcm2835aux_spi_transfer_one()
363 speed = DIV_ROUND_UP(clk_hz, 2 * spi_hz) - 1; in bcm2835aux_spi_transfer_one()
|
| D | spi-rzv2m-csi.c | 343 static void rzv2m_csi_setup_clock(struct rzv2m_csi_priv *csi, u32 spi_hz) in rzv2m_csi_setup_clock() argument
362 spi_hz = spi_hz > CSI_MAX_SPI_SCKO ? CSI_MAX_SPI_SCKO : spi_hz; in rzv2m_csi_setup_clock()
364 cks = DIV_ROUND_UP(csiclk_rate, spi_hz << 1); in rzv2m_csi_setup_clock()
|
| D | spi-microchip-core.c | 424 unsigned long clk_hz, spi_hz, clk_gen; in mchp_corespi_calculate_clkgen() local
429 spi_hz = min(target_hz, clk_hz); in mchp_corespi_calculate_clkgen()
441 clk_gen = DIV_ROUND_UP(clk_hz, 2 * spi_hz) - 1; in mchp_corespi_calculate_clkgen()
443 clk_gen = DIV_ROUND_UP(clk_hz, spi_hz); in mchp_corespi_calculate_clkgen()
|
| D | spi-bcm2835.c | 1054 unsigned long spi_hz, cdiv; in bcm2835_spi_transfer_one() local
1059 spi_hz = tfr->speed_hz; in bcm2835_spi_transfer_one()
1061 if (spi_hz >= bs->clk_hz / 2) { in bcm2835_spi_transfer_one()
1063 } else if (spi_hz) { in bcm2835_spi_transfer_one()
1065 cdiv = DIV_ROUND_UP(bs->clk_hz, spi_hz); in bcm2835_spi_transfer_one()
|
| D | spi-sh-msiof.c | 265 u32 spi_hz = t->speed_hz; in sh_msiof_spi_set_clk_regs() local
269 if (!spi_hz || !parent_rate) { in sh_msiof_spi_set_clk_regs()
271 parent_rate, spi_hz); in sh_msiof_spi_set_clk_regs()
275 div = DIV_ROUND_UP(parent_rate, spi_hz); in sh_msiof_spi_set_clk_regs()
291 "Requested SPI transfer rate %d is too low\n", spi_hz); in sh_msiof_spi_set_clk_regs()
|
