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Searched refs:clk_hz (Results 1 – 7 of 7) sorted by relevance

/Linux-v5.4/drivers/spi/
Dspi-bcm2835aux.c348 unsigned long spi_hz, clk_hz, speed, spi_used_hz; in bcm2835aux_spi_transfer_one() local
361 clk_hz = clk_get_rate(bs->clk); in bcm2835aux_spi_transfer_one()
363 if (spi_hz >= clk_hz / 2) { in bcm2835aux_spi_transfer_one()
366 speed = DIV_ROUND_UP(clk_hz, 2 * spi_hz) - 1; in bcm2835aux_spi_transfer_one()
377 spi_used_hz = clk_hz / (2 * (speed + 1)); in bcm2835aux_spi_transfer_one()
494 unsigned long clk_hz; in bcm2835aux_spi_probe() local
553 clk_hz = clk_get_rate(bs->clk); in bcm2835aux_spi_probe()
554 if (!clk_hz) { in bcm2835aux_spi_probe()
Dspi-npcm-pspi.c344 unsigned long clk_hz; in npcm_pspi_probe() local
412 clk_hz = clk_get_rate(priv->clk); in npcm_pspi_probe()
414 master->max_speed_hz = DIV_ROUND_UP(clk_hz, NPCM_PSPI_MIN_CLK_DIVIDER); in npcm_pspi_probe()
415 master->min_speed_hz = DIV_ROUND_UP(clk_hz, NPCM_PSPI_MAX_CLK_DIVIDER); in npcm_pspi_probe()
Dspi-bcm2835.c1071 unsigned long spi_hz, clk_hz, cdiv, spi_used_hz; in bcm2835_spi_transfer_one() local
1077 clk_hz = clk_get_rate(bs->clk); in bcm2835_spi_transfer_one()
1079 if (spi_hz >= clk_hz / 2) { in bcm2835_spi_transfer_one()
1083 cdiv = DIV_ROUND_UP(clk_hz, spi_hz); in bcm2835_spi_transfer_one()
1091 spi_used_hz = cdiv ? (clk_hz / cdiv) : (clk_hz / 65536); in bcm2835_spi_transfer_one()
/Linux-v5.4/drivers/media/rc/img-ir/
Dimg-ir-hw.c608 img_ir_decoder_convert(decoder, &hw->reg_timings, hw->clk_hz); in img_ir_set_decoder()
908 if (hw->clk_hz == change->new_rate) in img_ir_change_frequency()
910 hw->clk_hz = change->new_rate; in img_ir_change_frequency()
914 hw->clk_hz); in img_ir_change_frequency()
1059 hw->clk_hz = clk_get_rate(priv->clk); in img_ir_probe_hw()
1068 hw->clk_hz = 32768; in img_ir_probe_hw()
Dimg-ir-hw.h240 unsigned long clk_hz; member
/Linux-v5.4/drivers/i2c/busses/
Di2c-xlp9xx.c98 u32 clk_hz; member
314 prescale = DIV_ROUND_UP(priv->ip_clk_hz, priv->clk_hz); in xlp9xx_i2c_init()
486 priv->clk_hz = freq; in xlp9xx_i2c_get_frequency()
/Linux-v5.4/drivers/net/ethernet/marvell/mvpp2/
Dmvpp2_main.c2177 static u32 mvpp2_usec_to_cycles(u32 usec, unsigned long clk_hz) in mvpp2_usec_to_cycles() argument
2179 u64 tmp = (u64)clk_hz * usec; in mvpp2_usec_to_cycles()
2186 static u32 mvpp2_cycles_to_usec(u32 cycles, unsigned long clk_hz) in mvpp2_cycles_to_usec() argument
2190 do_div(tmp, clk_hz); in mvpp2_cycles_to_usec()