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Searched refs:prescaler (Results 1 – 10 of 10) sorted by relevance

/rk3399_rockchip-uboot/arch/arm/cpu/armv7/s5p-common/
H A Dpwm.c121 unsigned int offset, prescaler; in pwm_init() local
130 prescaler = PRESCALER_0; in pwm_init()
132 val |= (prescaler & 0xff); in pwm_init()
134 prescaler = PRESCALER_1; in pwm_init()
136 val |= (prescaler & 0xff) << 8; in pwm_init()
153 ((prescaler + 1) * (1 << div)); in pwm_init()
/rk3399_rockchip-uboot/arch/arm/mach-imx/
H A Dtimer.c20 unsigned int prescaler; member
96 &cur_gpt->prescaler); in timer_init()
102 __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */ in timer_init()
/rk3399_rockchip-uboot/drivers/pwm/
H A Drk_pwm.c82 unsigned int prescaler; member
136 priv->data->prescaler * 1000000); in rk_pwm_set_config_v4()
138 priv->data->prescaler * 1000000); in rk_pwm_set_config_v4()
184 priv->data->prescaler * 1000000); in rk_pwm_set_config_v1()
186 priv->data->prescaler * 1000000); in rk_pwm_set_config_v1()
350 .prescaler = 2,
371 .prescaler = 1,
393 .prescaler = 1,
415 .prescaler = 1,
438 .prescaler = 1,
H A Dexynos_pwm.c26 unsigned int offset, prescaler; in exynos_pwm_set_config() local
37 prescaler = (channel < 2 ? val : (val >> 8)) & 0xff; in exynos_pwm_set_config()
40 rate = get_pwm_clk() / ((prescaler + 1) * (1 << div)); in exynos_pwm_set_config()
/rk3399_rockchip-uboot/drivers/mmc/
H A Dmxcmmc.c424 int prescaler = 0; in mxcmci_set_clk_rate() local
427 while (prescaler <= 0x800) { in mxcmci_set_clk_rate()
433 if (prescaler) in mxcmci_set_clk_rate()
434 x /= (prescaler * 2); in mxcmci_set_clk_rate()
442 if (prescaler == 0) in mxcmci_set_clk_rate()
443 prescaler = 1; in mxcmci_set_clk_rate()
445 prescaler <<= 1; in mxcmci_set_clk_rate()
448 writel((prescaler << 4) | divider, &host->base->clk_rate); in mxcmci_set_clk_rate()
/rk3399_rockchip-uboot/drivers/spi/
H A Dstm32_qspi.c550 u32 prescaler = 255; in stm32_qspi_set_speed() local
552 prescaler = DIV_ROUND_UP(qspi_clk, speed) - 1; in stm32_qspi_set_speed()
553 if (prescaler > 255) in stm32_qspi_set_speed()
554 prescaler = 255; in stm32_qspi_set_speed()
555 else if (prescaler < 0) in stm32_qspi_set_speed()
556 prescaler = 0; in stm32_qspi_set_speed()
559 u32 csht = DIV_ROUND_UP((5 * qspi_clk) / (prescaler + 1), 100000000); in stm32_qspi_set_speed()
567 prescaler << STM32_QSPI_CR_PRESCALER_SHIFT); in stm32_qspi_set_speed()
575 (qspi_clk / (prescaler + 1))); in stm32_qspi_set_speed()
H A Dcf_spi.c194 int prescaler[] = { 2, 3, 5, 7 }; in cfspi_setup_slave() local
205 tmp = (prescaler[3] * scaler[15]); in cfspi_setup_slave()
216 (cfslave->baudrate > (gd->bus_clk / (prescaler[0] * scaler[0])))) { in cfspi_setup_slave()
254 pbrcnt = sizeof(prescaler) / sizeof(int); in cfspi_setup_slave()
259 baud_speed = gd->bus_clk / prescaler[i]; in cfspi_setup_slave()
/rk3399_rockchip-uboot/drivers/i2c/
H A Domap24xx_i2c.c68 unsigned int prescaler; in omap24_i2c_findpsc() local
90 prescaler = fclk / internal_clk; in omap24_i2c_findpsc()
91 prescaler = prescaler - 1; in omap24_i2c_findpsc()
107 __func__, speed, prescaler, *pscl, *psch); in omap24_i2c_findpsc()
109 if (*pscl <= 0 || *psch <= 0 || prescaler <= 0) in omap24_i2c_findpsc()
112 return prescaler; in omap24_i2c_findpsc()
H A Dstm32f7_i2c.c595 u32 prescaler = (v->presc + 1) * i2cclk; in stm32_i2c_choose_solution() local
598 u32 tscl_l = (l + 1) * prescaler + tsync; in stm32_i2c_choose_solution()
606 u32 tscl_h = (h + 1) * prescaler + tsync; in stm32_i2c_choose_solution()
/rk3399_rockchip-uboot/doc/device-tree-bindings/video/
H A Dexynos_mipi_dsi.txt32 the escape clock prescaler value.