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Searched refs:clk_div (Results 1 – 25 of 78) sorted by relevance

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/Linux-v5.4/drivers/net/ethernet/xilinx/
Dll_temac_mdio.c69 int clk_div; in temac_mdio_setup() local
81 clk_div = 0x3f; /* worst-case default setting */ in temac_mdio_setup()
83 clk_div = bus_hz / (2500 * 1000 * 2) - 1; in temac_mdio_setup()
84 if (clk_div < 1) in temac_mdio_setup()
85 clk_div = 1; in temac_mdio_setup()
86 if (clk_div > 0x3f) in temac_mdio_setup()
87 clk_div = 0x3f; in temac_mdio_setup()
92 temac_indirect_out32(lp, XTE_MC_OFFSET, 1 << 6 | clk_div); in temac_mdio_setup()
Dxilinx_axienet_mdio.c127 u32 clk_div, host_clock; in axienet_mdio_enable() local
179 clk_div = (host_clock / (MAX_MDIO_FREQ * 2)) - 1; in axienet_mdio_enable()
185 clk_div++; in axienet_mdio_enable()
189 clk_div, host_clock); in axienet_mdio_enable()
191 axienet_iow(lp, XAE_MDIO_MC_OFFSET, clk_div | XAE_MDIO_MC_MDIOEN_MASK); in axienet_mdio_enable()
/Linux-v5.4/drivers/clk/mxs/
Dclk-div.c21 struct clk_div { struct
28 static inline struct clk_div *to_clk_div(struct clk_hw *hw) in to_clk_div() argument
32 return container_of(divider, struct clk_div, divider); in to_clk_div()
38 struct clk_div *div = to_clk_div(hw); in clk_div_recalc_rate()
46 struct clk_div *div = to_clk_div(hw); in clk_div_round_rate()
54 struct clk_div *div = to_clk_div(hw); in clk_div_set_rate()
73 struct clk_div *div; in mxs_clk_div()
/Linux-v5.4/drivers/mfd/
Dfsl-imx25-tsadc.c90 unsigned clk_div; in mx25_tsadc_setup_clk() local
102 clk_div = DIV_ROUND_UP(clk_get_rate(tsadc->clk), 1750000); in mx25_tsadc_setup_clk()
103 dev_dbg(&pdev->dev, "Setting up ADC clock divider to %u\n", clk_div); in mx25_tsadc_setup_clk()
106 clk_div -= 2; in mx25_tsadc_setup_clk()
107 clk_div /= 2; in mx25_tsadc_setup_clk()
113 clk_div = max_t(unsigned, 4, clk_div); in mx25_tsadc_setup_clk()
116 clk_get_rate(tsadc->clk) / (2 * clk_div + 2)); in mx25_tsadc_setup_clk()
120 MX25_TGCR_ADCCLKCFG(clk_div)); in mx25_tsadc_setup_clk()
Dti_am335x_tscadc.c219 tscadc->clk_div = clock_rate / ADC_CLK; in ti_tscadc_probe()
222 tscadc->clk_div--; in ti_tscadc_probe()
223 regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); in ti_tscadc_probe()
341 regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); in tscadc_resume()
/Linux-v5.4/arch/mips/ath25/
Dar2315.c210 unsigned int clk_div; in ar2315_sys_clk() local
223 clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKM_DIV); in ar2315_sys_clk()
224 clk_div = pllc_divide_table[clk_div]; in ar2315_sys_clk()
227 clk_div = ATH25_REG_MS(pllc_ctrl, AR2315_PLLC_CLKC_DIV); in ar2315_sys_clk()
228 clk_div = pllc_divide_table[clk_div]; in ar2315_sys_clk()
232 clk_div = 1; in ar2315_sys_clk()
239 return pllc_out / (clk_div * cpu_div); in ar2315_sys_clk()
/Linux-v5.4/drivers/spi/
Dspi-axi-spi-engine.c133 unsigned int clk_div; in spi_engine_get_clk_div() local
135 clk_div = DIV_ROUND_UP(clk_get_rate(spi_engine->ref_clk), in spi_engine_get_clk_div()
137 if (clk_div > 255) in spi_engine_get_clk_div()
138 clk_div = 255; in spi_engine_get_clk_div()
139 else if (clk_div > 0) in spi_engine_get_clk_div()
140 clk_div -= 1; in spi_engine_get_clk_div()
142 return clk_div; in spi_engine_get_clk_div()
166 struct spi_engine *spi_engine, unsigned int clk_div, unsigned int delay) in spi_engine_gen_sleep() argument
174 t = DIV_ROUND_UP(delay * spi_clk, (clk_div + 1) * 2); in spi_engine_gen_sleep()
199 int clk_div, new_clk_div; in spi_engine_compile_message() local
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/Linux-v5.4/sound/soc/ti/
Ddavinci-i2s.c161 int clk_div; member
372 dev->clk_div = div; in davinci_i2s_dai_set_clkdiv()
383 unsigned int rcr, xcr, srgr, clk_div, freq, framesize; in davinci_i2s_hw_params() local
410 clk_div = 256; in davinci_i2s_hw_params()
412 framesize = (freq / (--clk_div)) / in davinci_i2s_hw_params()
416 (clk_div)); in davinci_i2s_hw_params()
417 clk_div--; in davinci_i2s_hw_params()
421 clk_div = freq / (mcbsp_word_length * 16) / in davinci_i2s_hw_params()
426 clk_div &= 0xFF; in davinci_i2s_hw_params()
427 srgr |= clk_div; in davinci_i2s_hw_params()
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Domap-dmic.c41 int clk_div; member
194 dmic->clk_div = omap_dmic_select_divider(dmic, params_rate(params)); in omap_dmic_dai_hw_params()
195 if (dmic->clk_div < 0) { in omap_dmic_dai_hw_params()
248 ctrl |= OMAP_DMIC_CLK_DIV(dmic->clk_div); in omap_dmic_dai_prepare()
/Linux-v5.4/drivers/i2c/busses/
Di2c-sun6i-p2wi.c193 int clk_div; in p2wi_probe() local
291 clk_div = parent_clk_freq / clk_freq; in p2wi_probe()
292 if (!clk_div) { in p2wi_probe()
296 clk_div = 1; in p2wi_probe()
297 } else if (clk_div > P2WI_CCR_MAX_CLK_DIV) { in p2wi_probe()
301 clk_div = P2WI_CCR_MAX_CLK_DIV; in p2wi_probe()
304 writel(P2WI_CCR_SDA_OUT_DELAY(1) | P2WI_CCR_CLK_DIV(clk_div), in p2wi_probe()
Di2c-mt7621.c64 u32 clk_div; member
95 iowrite32(((i2c->clk_div << 16) & SM0CTL0_CLK_DIV_MASK) | SM0CTL0_EN | in mtk_i2c_reset()
262 i2c->clk_div = clk_get_rate(i2c->clk) / i2c->bus_freq - 1; in mtk_i2c_init()
263 if (i2c->clk_div < 99) in mtk_i2c_init()
264 i2c->clk_div = 99; in mtk_i2c_init()
265 if (i2c->clk_div > SM0CTL0_CLK_DIV_MAX) in mtk_i2c_init()
266 i2c->clk_div = SM0CTL0_CLK_DIV_MAX; in mtk_i2c_init()
/Linux-v5.4/drivers/pwm/
Dpwm-crc.c71 int clk_div; in crc_pwm_config() local
75 clk_div = PWM_BASE_CLK * period_ns / NSEC_PER_SEC; in crc_pwm_config()
78 clk_div | PWM_OUTPUT_ENABLE); in crc_pwm_config()
Dpwm-mtk-disp.c73 u32 clk_div, period, high_width, value; in mtk_disp_pwm_config() local
88 clk_div = div_u64(rate * period_ns, NSEC_PER_SEC) >> in mtk_disp_pwm_config()
90 if (clk_div > PWM_CLKDIV_MAX) in mtk_disp_pwm_config()
93 div = NSEC_PER_SEC * (clk_div + 1); in mtk_disp_pwm_config()
113 clk_div << PWM_CLKDIV_SHIFT); in mtk_disp_pwm_config()
/Linux-v5.4/drivers/bus/
Dsunxi-rsb.c631 int clk_div, irq, ret; in sunxi_rsb_probe() local
700 clk_div = p_clk_freq / clk_freq / 2; in sunxi_rsb_probe()
701 if (!clk_div) in sunxi_rsb_probe()
702 clk_div = 1; in sunxi_rsb_probe()
703 else if (clk_div > RSB_CCR_MAX_CLK_DIV + 1) in sunxi_rsb_probe()
704 clk_div = RSB_CCR_MAX_CLK_DIV + 1; in sunxi_rsb_probe()
706 clk_delay = clk_div >> 1; in sunxi_rsb_probe()
710 dev_info(dev, "RSB running at %lu Hz\n", p_clk_freq / clk_div / 2); in sunxi_rsb_probe()
711 writel(RSB_CCR_SDA_OUT_DELAY(clk_delay) | RSB_CCR_CLK_DIV(clk_div - 1), in sunxi_rsb_probe()
/Linux-v5.4/sound/soc/sti/
Duniperif_player.c318 int clk_div; in uni_player_prepare_iec958() local
320 clk_div = player->mclk / runtime->rate; in uni_player_prepare_iec958()
323 if ((clk_div % 128) || (clk_div <= 0)) { in uni_player_prepare_iec958()
325 __func__, clk_div); in uni_player_prepare_iec958()
398 SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / 128); in uni_player_prepare_iec958()
419 int output_frame_size, slot_width, clk_div; in uni_player_prepare_pcm() local
430 clk_div = player->mclk / runtime->rate; in uni_player_prepare_pcm()
435 if ((slot_width == 32) && (clk_div % 128)) { in uni_player_prepare_pcm()
440 if ((slot_width == 16) && (clk_div % 64)) { in uni_player_prepare_pcm()
487 SET_UNIPERIF_CTRL_DIVIDER(player, clk_div / (2 * output_frame_size)); in uni_player_prepare_pcm()
/Linux-v5.4/drivers/leds/
Dleds-bcm6358.c158 u32 clk_div; in bcm6358_leds_probe() local
178 of_property_read_u32(np, "brcm,clk-div", &clk_div); in bcm6358_leds_probe()
179 switch (clk_div) { in bcm6358_leds_probe()
/Linux-v5.4/drivers/media/dvb-frontends/
Dstv6110.c29 u8 clk_div; member
214 priv->regs[RSTV6110_CTRL2] |= (priv->clk_div << 6); in stv6110_init()
398 reg0[2] |= (config->clk_div << 6); in stv6110_attach()
418 priv->clk_div = config->clk_div; in stv6110_attach()
Dstv6110.h31 u8 clk_div; /* divisor value for the output clock */ member
/Linux-v5.4/sound/soc/fsl/
Dfsl_micfil.c154 int clk_div; in get_clk_div() local
160 clk_div = mclk_rate / (get_pdm_clk(micfil, rate) * 2); in get_clk_div()
162 return clk_div; in get_clk_div()
298 int clk_div; in fsl_set_clock_params() local
315 clk_div = get_clk_div(micfil, rate); in fsl_set_clock_params()
316 if (clk_div < 0) in fsl_set_clock_params()
320 MICFIL_CTRL2_CLKDIV_MASK, clk_div); in fsl_set_clock_params()
/Linux-v5.4/drivers/media/i2c/
Drj54n1cb0c.c157 struct rj54n1_clock_div clk_div; member
417 static const struct rj54n1_clock_div clk_div = { variable
839 rj54n1->clk_div.ratio_tg); in rj54n1_set_clock()
842 rj54n1->clk_div.ratio_t); in rj54n1_set_clock()
845 rj54n1->clk_div.ratio_r); in rj54n1_set_clock()
858 rj54n1->clk_div.ratio_op); in rj54n1_set_clock()
861 rj54n1->clk_div.ratio_o); in rj54n1_set_clock()
1339 rj54n1->clk_div = clk_div; in rj54n1_probe()
1349 (clk_div.ratio_tg + 1) / (clk_div.ratio_t + 1); in rj54n1_probe()
/Linux-v5.4/drivers/gpu/drm/i915/display/
Dintel_dpll_mgr.c1750 struct bxt_clk_div *clk_div) in bxt_ddi_hdmi_pll_dividers() argument
1767 clk_div->p1 = best_clock.p1; in bxt_ddi_hdmi_pll_dividers()
1768 clk_div->p2 = best_clock.p2; in bxt_ddi_hdmi_pll_dividers()
1770 clk_div->n = best_clock.n; in bxt_ddi_hdmi_pll_dividers()
1771 clk_div->m2_int = best_clock.m2 >> 22; in bxt_ddi_hdmi_pll_dividers()
1772 clk_div->m2_frac = best_clock.m2 & ((1 << 22) - 1); in bxt_ddi_hdmi_pll_dividers()
1773 clk_div->m2_frac_en = clk_div->m2_frac != 0; in bxt_ddi_hdmi_pll_dividers()
1775 clk_div->vco = best_clock.vco; in bxt_ddi_hdmi_pll_dividers()
1781 struct bxt_clk_div *clk_div) in bxt_ddi_dp_pll_dividers() argument
1786 *clk_div = bxt_dp_clk_val[0]; in bxt_ddi_dp_pll_dividers()
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/Linux-v5.4/drivers/video/fbdev/omap/
Dsossi.c58 int clk_div; member
122 int div = t->clk_div; in calc_rd_timings()
173 int div = t->clk_div; in calc_wr_timings()
256 _set_timing(sossi.clk_div, in set_timing()
315 int div = t->clk_div; in sossi_convert_timings()
346 sossi.clk_div = t->tim[4]; in sossi_set_timings()
/Linux-v5.4/drivers/mmc/host/
Dtifm_sd.c95 unsigned int clk_div; member
600 ((1000000000UL / host->clk_freq) * host->clk_div); in tifm_sd_set_data_timeout()
832 host->clk_div = clk_div1; in tifm_sd_ios()
838 host->clk_div = clk_div2; in tifm_sd_ios()
844 host->clk_div = 0; in tifm_sd_ios()
846 host->clk_div &= TIFM_MMCSD_CLKMASK; in tifm_sd_ios()
847 writel(host->clk_div in tifm_sd_ios()
888 host->clk_div = 61; in tifm_sd_initialize_host()
891 writel(host->clk_div | TIFM_MMCSD_POWER, in tifm_sd_initialize_host()
910 writel(host->clk_div | TIFM_MMCSD_POWER, in tifm_sd_initialize_host()
/Linux-v5.4/sound/soc/xilinx/
Dxlnx_spdif.c109 u32 val, clk_div, clk_cfg; in xlnx_spdif_hw_params() local
112 clk_div = DIV_ROUND_CLOSEST(ctx->aclk, MAX_CHANNELS * AES_SAMPLE_WIDTH * in xlnx_spdif_hw_params()
115 switch (clk_div) { in xlnx_spdif_hw_params()
/Linux-v5.4/sound/soc/rockchip/
Drockchip_pdm.c151 unsigned int clk_rate, clk_div, samplerate; in rockchip_pdm_hw_params() local
186 clk_div = n / m; in rockchip_pdm_hw_params()
187 if (clk_div >= 40) in rockchip_pdm_hw_params()
189 else if (clk_div <= 35) in rockchip_pdm_hw_params()

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