Lines Matching +full:opp +full:- +full:1200000000
1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/nvmem-consumer.h>
20 #define FREQ_1P2_GHZ 1200000000
60 struct dev_pm_opp *opp; in imx6q_set_target() local
70 opp = dev_pm_opp_find_freq_ceil(cpu_dev, &freq_hz); in imx6q_set_target()
71 if (IS_ERR(opp)) { in imx6q_set_target()
72 dev_err(cpu_dev, "failed to find OPP for %ld\n", freq_hz); in imx6q_set_target()
73 return PTR_ERR(opp); in imx6q_set_target()
76 volt = dev_pm_opp_get_voltage(opp); in imx6q_set_target()
77 dev_pm_opp_put(opp); in imx6q_set_target()
81 dev_dbg(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n", in imx6q_set_target()
114 * - Enable pll2_pfd2_396m_clk and reparent pll1_sw_clk to it in imx6q_set_target()
115 * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it in imx6q_set_target()
116 * - Disable pll2_pfd2_396m_clk in imx6q_set_target()
167 /* PLL1 is only needed until after ARM-PODF is set. */ in imx6q_set_target()
192 policy->clk = clks[ARM].clk; in imx6q_cpufreq_init()
194 policy->suspend_freq = max_freq; in imx6q_cpufreq_init()
207 .name = "imx6q-cpufreq",
216 if (ret < 0 && ret != -ENODEV) in imx6x_disable_freq_in_opp()
217 dev_warn(dev, "failed to disable %ldMHz OPP\n", freq / 1000000); in imx6x_disable_freq_in_opp()
233 if (of_property_present(dev->of_node, "nvmem-cells")) { in imx6q_opp_check_speed_grading()
238 np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ocotp"); in imx6q_opp_check_speed_grading()
240 return -ENOENT; in imx6q_opp_check_speed_grading()
246 return -EFAULT; in imx6q_opp_check_speed_grading()
251 * 2b'11: 1200000000Hz; in imx6q_opp_check_speed_grading()
253 * 2b'01: 852000000Hz; -- i.MX6Q Only, exclusive with 996MHz. in imx6q_opp_check_speed_grading()
273 imx6x_disable_freq_in_opp(dev, 1200000000); in imx6q_opp_check_speed_grading()
288 if (of_property_present(dev->of_node, "nvmem-cells")) { in imx6ul_opp_check_speed_grading()
296 np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-ocotp"); in imx6ul_opp_check_speed_grading()
299 "fsl,imx6ull-ocotp"); in imx6ul_opp_check_speed_grading()
301 return -ENOENT; in imx6ul_opp_check_speed_grading()
307 return -EFAULT; in imx6ul_opp_check_speed_grading()
343 struct dev_pm_opp *opp; in imx6q_cpufreq_probe() local
353 return -ENODEV; in imx6q_cpufreq_probe()
356 np = of_node_get(cpu_dev->of_node); in imx6q_cpufreq_probe()
359 return -ENOENT; in imx6q_cpufreq_probe()
375 if (PTR_ERR(arm_reg) == -EPROBE_DEFER || in imx6q_cpufreq_probe()
376 PTR_ERR(soc_reg) == -EPROBE_DEFER || in imx6q_cpufreq_probe()
377 PTR_ERR(pu_reg) == -EPROBE_DEFER) { in imx6q_cpufreq_probe()
378 ret = -EPROBE_DEFER; in imx6q_cpufreq_probe()
384 ret = -ENOENT; in imx6q_cpufreq_probe()
390 dev_err(cpu_dev, "failed to init OPP table: %d\n", ret); in imx6q_cpufreq_probe()
408 dev_err(cpu_dev, "no OPP table is found: %d\n", ret); in imx6q_cpufreq_probe()
418 /* Make imx6_soc_volt array's size same as arm opp number */ in imx6q_cpufreq_probe()
422 ret = -ENOMEM; in imx6q_cpufreq_probe()
426 prop = of_find_property(np, "fsl,soc-operating-points", NULL); in imx6q_cpufreq_probe()
427 if (!prop || !prop->value) in imx6q_cpufreq_probe()
431 * Each OPP is a set of tuples consisting of frequency and in imx6q_cpufreq_probe()
432 * voltage like <freq-kHz vol-uV>. in imx6q_cpufreq_probe()
434 nr = prop->length / sizeof(u32); in imx6q_cpufreq_probe()
439 val = prop->value; in imx6q_cpufreq_probe()
451 /* use fixed soc opp volt if no valid soc opp info found in dtb */ in imx6q_cpufreq_probe()
453 …dev_warn(cpu_dev, "can NOT find valid fsl,soc-operating-points property in dtb, use default value!… in imx6q_cpufreq_probe()
456 if (freq_table[num - 1].frequency * 1000 == FREQ_1P2_GHZ) in imx6q_cpufreq_probe()
457 imx6_soc_volt[num - 1] = PU_SOC_VOLTAGE_HIGH; in imx6q_cpufreq_probe()
460 if (of_property_read_u32(np, "clock-latency", &transition_latency)) in imx6q_cpufreq_probe()
467 ret = regulator_set_voltage_time(soc_reg, imx6_soc_volt[0], imx6_soc_volt[num - 1]); in imx6q_cpufreq_probe()
471 ret = regulator_set_voltage_time(pu_reg, imx6_soc_volt[0], imx6_soc_volt[num - 1]); in imx6q_cpufreq_probe()
477 * OPP is maintained in order of increasing frequency, and in imx6q_cpufreq_probe()
478 * freq_table initialised from OPP is therefore sorted in the in imx6q_cpufreq_probe()
481 max_freq = freq_table[--num].frequency; in imx6q_cpufreq_probe()
482 opp = dev_pm_opp_find_freq_exact(cpu_dev, in imx6q_cpufreq_probe()
484 min_volt = dev_pm_opp_get_voltage(opp); in imx6q_cpufreq_probe()
485 dev_pm_opp_put(opp); in imx6q_cpufreq_probe()
486 opp = dev_pm_opp_find_freq_exact(cpu_dev, max_freq * 1000, true); in imx6q_cpufreq_probe()
487 max_volt = dev_pm_opp_get_voltage(opp); in imx6q_cpufreq_probe()
488 dev_pm_opp_put(opp); in imx6q_cpufreq_probe()
537 .name = "imx6q-cpufreq",
544 MODULE_ALIAS("platform:imx6q-cpufreq");