Searched refs:spi_hz (Results 1 – 5 of 5) sorted by relevance
| /linux-6.12.1/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()
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| D | spi-rzv2m-csi.c | 352 static void rzv2m_csi_setup_clock(struct rzv2m_csi_priv *csi, u32 spi_hz) in rzv2m_csi_setup_clock() argument
371 spi_hz = spi_hz > CSI_MAX_SPI_SCKO ? CSI_MAX_SPI_SCKO : spi_hz; in rzv2m_csi_setup_clock()
373 cks = DIV_ROUND_UP(csiclk_rate, spi_hz << 1); in rzv2m_csi_setup_clock()
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| D | spi-microchip-core.c | 454 unsigned long clk_hz, spi_hz, clk_gen; in mchp_corespi_calculate_clkgen() local
459 spi_hz = min(target_hz, clk_hz); in mchp_corespi_calculate_clkgen()
471 clk_gen = DIV_ROUND_UP(clk_hz, 2 * spi_hz) - 1; in mchp_corespi_calculate_clkgen()
473 clk_gen = DIV_ROUND_UP(clk_hz, spi_hz); in mchp_corespi_calculate_clkgen()
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| D | spi-bcm2835.c | 1058 unsigned long spi_hz, cdiv; in bcm2835_spi_transfer_one() local
1063 spi_hz = tfr->speed_hz; in bcm2835_spi_transfer_one()
1065 if (spi_hz >= bs->clk_hz / 2) { in bcm2835_spi_transfer_one()
1067 } else if (spi_hz) { in bcm2835_spi_transfer_one()
1069 cdiv = DIV_ROUND_UP(bs->clk_hz, spi_hz); in bcm2835_spi_transfer_one()
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| D | spi-sh-msiof.c | 268 u32 spi_hz = t->speed_hz; in sh_msiof_spi_set_clk_regs() local
272 if (!spi_hz || !parent_rate) { in sh_msiof_spi_set_clk_regs()
274 parent_rate, spi_hz); in sh_msiof_spi_set_clk_regs()
278 div = DIV_ROUND_UP(parent_rate, spi_hz); in sh_msiof_spi_set_clk_regs()
294 "Requested SPI transfer rate %d is too low\n", spi_hz); in sh_msiof_spi_set_clk_regs()
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