Searched refs:bus_freq_hz (Results 1 - 17 of 17) sorted by relevance

/linux-master/drivers/i2c/busses/
H A Di2c-designware-common.c201 if (t->bus_freq_hz == supported_speeds[i])
207 t->bus_freq_hz);
273 switch (t->bus_freq_hz) {
326 if (acpi_speed && t->bus_freq_hz)
327 t->bus_freq_hz = min(t->bus_freq_hz, acpi_speed);
328 else if (acpi_speed || t->bus_freq_hz)
329 t->bus_freq_hz = max(t->bus_freq_hz, acpi_speed);
331 t->bus_freq_hz
[all...]
H A Di2c-ls2x.c102 if (acpi_speed || t->bus_freq_hz)
103 t->bus_freq_hz = max(t->bus_freq_hz, acpi_speed);
105 t->bus_freq_hz = LS2X_I2C_FREQ_STD;
108 writew(LS2X_I2C_PCLK_FREQ / (5 * t->bus_freq_hz) - 1,
H A Di2c-rk3x.c585 if (WARN_ON(t->bus_freq_hz > I2C_MAX_FAST_MODE_FREQ))
586 t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ;
589 if (WARN_ON(t->bus_freq_hz < 1000))
590 t->bus_freq_hz = 1000;
604 spec = rk3x_i2c_get_spec(t->bus_freq_hz);
627 scl_rate_khz = t->bus_freq_hz / 1000;
764 if (WARN_ON(t->bus_freq_hz > I2C_MAX_FAST_MODE_PLUS_FREQ))
765 t->bus_freq_hz = I2C_MAX_FAST_MODE_PLUS_FREQ;
768 if (WARN_ON(t->bus_freq_hz < 1000))
769 t->bus_freq_hz
[all...]
H A Di2c-riic.c291 if (t->bus_freq_hz > I2C_MAX_FAST_MODE_FREQ) {
294 t->bus_freq_hz, I2C_MAX_FAST_MODE_FREQ);
316 total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz ?: 1);
333 (unsigned long)t->bus_freq_hz);
471 i2c_t.bus_freq_hz);
H A Di2c-hisi.c397 total_cnt = DIV_ROUND_UP_ULL(ctlr->clk_rate_khz * HZ_PER_KHZ, ctlr->t.bus_freq_hz);
422 switch (ctlr->t.bus_freq_hz) {
436 ctlr->t.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ;
514 i2c_freq_mode_string(ctlr->t.bus_freq_hz), hw_version);
H A Di2c-npcm7xx.c1803 static int npcm_i2c_init_clk(struct npcm_i2c *bus, u32 bus_freq_hz) argument
1815 bus_freq_khz = bus_freq_hz / 1000;
1816 bus->bus_freq = bus_freq_hz;
1819 if (bus_freq_hz <= I2C_MAX_STANDARD_MODE_FREQ) {
1834 else if (bus_freq_hz <= I2C_MAX_FAST_MODE_FREQ) {
1858 else if (bus_freq_hz <= I2C_MAX_FAST_MODE_PLUS_FREQ) {
1887 if (bus_freq_hz >= I2C_MAX_FAST_MODE_FREQ) {
1906 if (bus_freq_hz >= I2C_MAX_FAST_MODE_FREQ) {
1927 u32 bus_freq_hz)
1934 bus_freq_hz < I2C_FREQ_MIN_H
1926 npcm_i2c_init_module(struct npcm_i2c *bus, enum i2c_mode mode, u32 bus_freq_hz) argument
[all...]
H A Di2c-rcar.c282 .bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ,
316 if (t.bus_freq_hz > I2C_MAX_FAST_MODE_FREQ && priv->devtype >= I2C_RCAR_GEN4)
343 scgd = DIV_ROUND_UP(ick, t.bus_freq_hz ?: 1);
351 scl, t.bus_freq_hz, rate, round, cdf, scgd);
371 x = DIV_ROUND_UP(rate, t.bus_freq_hz ?: 1);
385 scl, t.bus_freq_hz, rate, round, cdf, priv->schd, priv->scld, priv->smd);
H A Di2c-rzv2m.c112 total_pclks = pclk_hz / t.bus_freq_hz;
118 switch (t.bus_freq_hz) {
H A Di2c-designware-pcidrv.c109 dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ;
158 dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ;
H A Di2c-designware-master.c86 if (t->bus_freq_hz == I2C_MAX_FAST_MODE_PLUS_FREQ) {
137 t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ;
164 dev_dbg(dev->dev, "Bus speed: %s\n", i2c_freq_mode_string(t->bus_freq_hz));
854 switch (t->bus_freq_hz) {
H A Di2c-tegra.c644 switch (t->bus_freq_hz) {
651 if (t->bus_freq_hz > I2C_MAX_FAST_MODE_FREQ)
687 t->bus_freq_hz * clk_multiplier);
726 udelay(DIV_ROUND_UP(2 * 1000000, i2c_dev->timings.bus_freq_hz));
1266 i2c_dev->timings.bus_freq_hz);
H A Di2c-gxp.c493 writeb(2000000 / drvdata->t.bus_freq_hz,
H A Di2c-meson.c526 i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
H A Di2c-stm32f7.c670 t->bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ;
676 if (t->bus_freq_hz > I2C_MAX_FAST_MODE_PLUS_FREQ) {
678 t->bus_freq_hz, I2C_MAX_FAST_MODE_PLUS_FREQ);
682 setup->speed_freq = t->bus_freq_hz;
H A Di2c-at91-master.c77 2 * t->bus_freq_hz) - offset);
/linux-master/drivers/i2c/
H A Di2c-core-base.c84 const char *i2c_freq_mode_string(u32 bus_freq_hz) argument
86 switch (bus_freq_hz) {
1925 i2c_parse_timing(dev, "clock-frequency", &t->bus_freq_hz,
1928 d = t->bus_freq_hz <= I2C_MAX_STANDARD_MODE_FREQ ? 1000 :
1929 t->bus_freq_hz <= I2C_MAX_FAST_MODE_FREQ ? 300 : 120;
1932 d = t->bus_freq_hz <= I2C_MAX_FAST_MODE_FREQ ? 300 : 120;
/linux-master/include/linux/
H A Di2c.h57 const char *i2c_freq_mode_string(u32 bus_freq_hz);
587 * @bus_freq_hz: the bus frequency in Hz
599 u32 bus_freq_hz; member in struct:i2c_timings

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