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Searched refs:bus_freq_hz (Results 1 – 18 of 18) sorted by relevance

/openbmc/linux/drivers/i2c/busses/
H A Di2c-designware-common.c201 if (t->bus_freq_hz == supported_speeds[i]) in i2c_dw_validate_speed()
207 t->bus_freq_hz); in i2c_dw_validate_speed()
273 switch (t->bus_freq_hz) { in i2c_dw_acpi_configure()
326 if (acpi_speed && t->bus_freq_hz) in i2c_dw_adjust_bus_speed()
327 t->bus_freq_hz = min(t->bus_freq_hz, acpi_speed); in i2c_dw_adjust_bus_speed()
328 else if (acpi_speed || t->bus_freq_hz) in i2c_dw_adjust_bus_speed()
329 t->bus_freq_hz = max(t->bus_freq_hz, acpi_speed); in i2c_dw_adjust_bus_speed()
331 t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ; in i2c_dw_adjust_bus_speed()
467 fsleep(DIV_ROUND_CLOSEST_ULL(10 * MICRO, t->bus_freq_hz)); in __i2c_dw_disable()
H A Di2c-rk3x.c585 if (WARN_ON(t->bus_freq_hz > I2C_MAX_FAST_MODE_FREQ)) in rk3x_i2c_v0_calc_timings()
586 t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ; in rk3x_i2c_v0_calc_timings()
589 if (WARN_ON(t->bus_freq_hz < 1000)) in rk3x_i2c_v0_calc_timings()
590 t->bus_freq_hz = 1000; in rk3x_i2c_v0_calc_timings()
604 spec = rk3x_i2c_get_spec(t->bus_freq_hz); in rk3x_i2c_v0_calc_timings()
627 scl_rate_khz = t->bus_freq_hz / 1000; in rk3x_i2c_v0_calc_timings()
764 if (WARN_ON(t->bus_freq_hz > I2C_MAX_FAST_MODE_PLUS_FREQ)) in rk3x_i2c_v1_calc_timings()
765 t->bus_freq_hz = I2C_MAX_FAST_MODE_PLUS_FREQ; in rk3x_i2c_v1_calc_timings()
768 if (WARN_ON(t->bus_freq_hz < 1000)) in rk3x_i2c_v1_calc_timings()
769 t->bus_freq_hz = 1000; in rk3x_i2c_v1_calc_timings()
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H A Di2c-ls2x.c105 if (acpi_speed || t->bus_freq_hz) in ls2x_i2c_adjust_bus_speed()
106 t->bus_freq_hz = max(t->bus_freq_hz, acpi_speed); in ls2x_i2c_adjust_bus_speed()
108 t->bus_freq_hz = LS2X_I2C_FREQ_STD; in ls2x_i2c_adjust_bus_speed()
115 val = LS2X_I2C_PCLK_FREQ / (5 * t->bus_freq_hz) - 1; in ls2x_i2c_adjust_bus_speed()
H A Di2c-riic.c291 if (t->bus_freq_hz > I2C_MAX_FAST_MODE_FREQ) { in riic_init_hw()
294 t->bus_freq_hz, I2C_MAX_FAST_MODE_FREQ); in riic_init_hw()
316 total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz ?: 1); in riic_init_hw()
333 (unsigned long)t->bus_freq_hz); in riic_init_hw()
471 i2c_t.bus_freq_hz); in riic_i2c_probe()
H A Di2c-hisi.c386 total_cnt = DIV_ROUND_UP_ULL(ctlr->clk_rate_khz * HZ_PER_KHZ, ctlr->t.bus_freq_hz); in hisi_i2c_set_scl()
411 switch (ctlr->t.bus_freq_hz) { in hisi_i2c_configure_bus()
425 ctlr->t.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ; in hisi_i2c_configure_bus()
503 i2c_freq_mode_string(ctlr->t.bus_freq_hz), hw_version); in hisi_i2c_probe()
H A Di2c-designware-pcidrv.c109 dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ; in mfld_setup()
158 dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ; in navi_amd_setup()
H A Di2c-designware-master.c86 if (t->bus_freq_hz == I2C_MAX_FAST_MODE_PLUS_FREQ) { in i2c_dw_set_timings_master()
137 t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ; in i2c_dw_set_timings_master()
164 dev_dbg(dev->dev, "Bus speed: %s\n", i2c_freq_mode_string(t->bus_freq_hz)); in i2c_dw_set_timings_master()
924 switch (t->bus_freq_hz) { in i2c_dw_configure_master()
H A Di2c-rzv2m.c112 total_pclks = pclk_hz / t.bus_freq_hz; in rzv2m_i2c_clock_calculate()
118 switch (t.bus_freq_hz) { in rzv2m_i2c_clock_calculate()
H A Di2c-npcm7xx.c2072 static int npcm_i2c_init_clk(struct npcm_i2c *bus, u32 bus_freq_hz) in npcm_i2c_init_clk() argument
2078 bus->bus_freq = bus_freq_hz; in npcm_i2c_init_clk()
2080 switch (bus_freq_hz) { in npcm_i2c_init_clk()
2118 if (bus_freq_hz >= I2C_MAX_FAST_MODE_FREQ) { in npcm_i2c_init_clk()
2139 u32 bus_freq_hz) in npcm_i2c_init_module() argument
2146 bus_freq_hz < I2C_FREQ_MIN_HZ || bus_freq_hz > I2C_FREQ_MAX_HZ) in npcm_i2c_init_module()
2165 ret = npcm_i2c_init_clk(bus, bus_freq_hz); in npcm_i2c_init_module()
H A Di2c-tegra.c644 switch (t->bus_freq_hz) { in tegra_i2c_init()
651 if (t->bus_freq_hz > I2C_MAX_FAST_MODE_FREQ) in tegra_i2c_init()
687 t->bus_freq_hz * clk_multiplier); in tegra_i2c_init()
726 udelay(DIV_ROUND_UP(2 * 1000000, i2c_dev->timings.bus_freq_hz)); in tegra_i2c_disable_packet_mode()
1266 i2c_dev->timings.bus_freq_hz); in tegra_i2c_xfer_msg()
H A Di2c-rcar.c260 .bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ, in rcar_i2c_clock_calculate()
331 if (scl <= t.bus_freq_hz) in rcar_i2c_clock_calculate()
339 scl, t.bus_freq_hz, rate, round, cdf, scgd); in rcar_i2c_clock_calculate()
H A Di2c-stm32f7.c657 t->bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ; in stm32f7_i2c_setup_timing()
663 if (t->bus_freq_hz > I2C_MAX_FAST_MODE_PLUS_FREQ) { in stm32f7_i2c_setup_timing()
665 t->bus_freq_hz, I2C_MAX_FAST_MODE_PLUS_FREQ); in stm32f7_i2c_setup_timing()
669 setup->speed_freq = t->bus_freq_hz; in stm32f7_i2c_setup_timing()
H A Di2c-gxp.c493 writeb(2000000 / drvdata->t.bus_freq_hz, in gxp_i2c_init()
H A Di2c-meson.c526 i2c->data->set_clk_div(i2c, timings.bus_freq_hz); in meson_i2c_probe()
H A Di2c-at91-master.c77 2 * t->bus_freq_hz) - offset); in at91_calc_twi_clock()
/openbmc/u-boot/drivers/i2c/
H A Drcar_i2c.c241 static int rcar_i2c_set_speed(struct udevice *dev, uint bus_freq_hz) in rcar_i2c_set_speed() argument
296 if (scl <= bus_freq_hz) in rcar_i2c_set_speed()
304 scl, bus_freq_hz, clk_get_rate(&priv->clk), round, cdf, scgd); in rcar_i2c_set_speed()
/openbmc/linux/drivers/i2c/
H A Di2c-core-base.c84 const char *i2c_freq_mode_string(u32 bus_freq_hz) in i2c_freq_mode_string() argument
86 switch (bus_freq_hz) { in i2c_freq_mode_string()
1990 i2c_parse_timing(dev, "clock-frequency", &t->bus_freq_hz, in i2c_parse_fw_timings()
1993 d = t->bus_freq_hz <= I2C_MAX_STANDARD_MODE_FREQ ? 1000 : in i2c_parse_fw_timings()
1994 t->bus_freq_hz <= I2C_MAX_FAST_MODE_FREQ ? 300 : 120; in i2c_parse_fw_timings()
1997 d = t->bus_freq_hz <= I2C_MAX_FAST_MODE_FREQ ? 300 : 120; in i2c_parse_fw_timings()
/openbmc/linux/include/linux/
H A Di2c.h57 const char *i2c_freq_mode_string(u32 bus_freq_hz);
619 u32 bus_freq_hz; member