Home
last modified time | relevance | path

Searched refs:div_b (Results 1 – 2 of 2) sorted by relevance

/openbmc/u-boot/drivers/i2c/
H A Di2c-cdns.c165 unsigned int div_a, div_b, calc_div_a = 0, calc_div_b = 0; in cdns_i2c_calc_divs() local
180 div_b = DIV_ROUND_UP(input_clk, 22 * fscl * (div_a + 1)); in cdns_i2c_calc_divs()
182 if ((div_b < 1) || (div_b > CDNS_I2C_DIVB_MAX)) in cdns_i2c_calc_divs()
184 div_b--; in cdns_i2c_calc_divs()
186 actual_fscl = input_clk / (22 * (div_a + 1) * (div_b + 1)); in cdns_i2c_calc_divs()
196 calc_div_b = div_b; in cdns_i2c_calc_divs()
212 u32 div_a = 0, div_b = 0; in cdns_i2c_set_bus_speed() local
222 ret = cdns_i2c_calc_divs(&speed_p, bus->input_freq, &div_a, &div_b); in cdns_i2c_set_bus_speed()
227 __func__, div_a, div_b, bus->input_freq, speed, speed_p); in cdns_i2c_set_bus_speed()
229 writel((div_b << CDNS_I2C_CONTROL_DIV_B_SHIFT) | in cdns_i2c_set_bus_speed()
/openbmc/linux/drivers/i2c/busses/
H A Di2c-cadence.c1018 unsigned int div_a, div_b, calc_div_a = 0, calc_div_b = 0; in cdns_i2c_calc_divs() local
1033 div_b = DIV_ROUND_UP(input_clk, 22 * fscl * (div_a + 1)); in cdns_i2c_calc_divs()
1035 if ((div_b < 1) || (div_b > CDNS_I2C_DIVB_MAX)) in cdns_i2c_calc_divs()
1037 div_b--; in cdns_i2c_calc_divs()
1039 actual_fscl = input_clk / (22 * (div_a + 1) * (div_b + 1)); in cdns_i2c_calc_divs()
1048 calc_div_b = div_b; in cdns_i2c_calc_divs()
1079 unsigned int div_a, div_b; in cdns_i2c_setclk() local
1084 ret = cdns_i2c_calc_divs(&fscl, clk_in, &div_a, &div_b); in cdns_i2c_setclk()
1091 (div_b << CDNS_I2C_CR_DIVB_SHIFT)); in cdns_i2c_setclk()
1131 unsigned int div_a, div_b; in cdns_i2c_clk_notifier_cb() local
[all …]