Lines Matching +full:ao +full:- +full:sysctrl
1 // SPDX-License-Identifier: GPL-2.0+
13 #include <linux/reset-controller.h>
17 #include <dt-bindings/power/meson8-power.h>
18 #include <dt-bindings/power/meson-axg-power.h>
19 #include <dt-bindings/power/meson-g12a-power.h>
20 #include <dt-bindings/power/meson-gxbb-power.h>
21 #include <dt-bindings/power/meson-sm1-power.h>
23 /* AO Offsets */
30 * AO-bus as syscon. 0x3a from GX translates to 0x02, 0x3b translates to 0x03
337 regmap_read(pwrc_domain->pwrc->regmap_ao, in pwrc_ee_is_powered_off()
338 pwrc_domain->desc.top_pd->sleep_reg, ®); in pwrc_ee_is_powered_off()
340 return (reg & pwrc_domain->desc.top_pd->sleep_mask); in pwrc_ee_is_powered_off()
349 if (pwrc_domain->desc.top_pd) in meson_ee_pwrc_off()
350 regmap_update_bits(pwrc_domain->pwrc->regmap_ao, in meson_ee_pwrc_off()
351 pwrc_domain->desc.top_pd->sleep_reg, in meson_ee_pwrc_off()
352 pwrc_domain->desc.top_pd->sleep_mask, in meson_ee_pwrc_off()
353 pwrc_domain->desc.top_pd->sleep_mask); in meson_ee_pwrc_off()
356 for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i) in meson_ee_pwrc_off()
357 regmap_update_bits(pwrc_domain->pwrc->regmap_hhi, in meson_ee_pwrc_off()
358 pwrc_domain->desc.mem_pd[i].reg, in meson_ee_pwrc_off()
359 pwrc_domain->desc.mem_pd[i].mask, in meson_ee_pwrc_off()
360 pwrc_domain->desc.mem_pd[i].mask); in meson_ee_pwrc_off()
364 if (pwrc_domain->desc.top_pd) in meson_ee_pwrc_off()
365 regmap_update_bits(pwrc_domain->pwrc->regmap_ao, in meson_ee_pwrc_off()
366 pwrc_domain->desc.top_pd->iso_reg, in meson_ee_pwrc_off()
367 pwrc_domain->desc.top_pd->iso_mask, in meson_ee_pwrc_off()
368 pwrc_domain->desc.top_pd->iso_mask); in meson_ee_pwrc_off()
370 if (pwrc_domain->num_clks) { in meson_ee_pwrc_off()
372 clk_bulk_disable_unprepare(pwrc_domain->num_clks, in meson_ee_pwrc_off()
373 pwrc_domain->clks); in meson_ee_pwrc_off()
385 if (pwrc_domain->desc.top_pd) in meson_ee_pwrc_on()
386 regmap_update_bits(pwrc_domain->pwrc->regmap_ao, in meson_ee_pwrc_on()
387 pwrc_domain->desc.top_pd->sleep_reg, in meson_ee_pwrc_on()
388 pwrc_domain->desc.top_pd->sleep_mask, 0); in meson_ee_pwrc_on()
391 for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i) in meson_ee_pwrc_on()
392 regmap_update_bits(pwrc_domain->pwrc->regmap_hhi, in meson_ee_pwrc_on()
393 pwrc_domain->desc.mem_pd[i].reg, in meson_ee_pwrc_on()
394 pwrc_domain->desc.mem_pd[i].mask, 0); in meson_ee_pwrc_on()
398 ret = reset_control_assert(pwrc_domain->rstc); in meson_ee_pwrc_on()
402 if (pwrc_domain->desc.top_pd) in meson_ee_pwrc_on()
403 regmap_update_bits(pwrc_domain->pwrc->regmap_ao, in meson_ee_pwrc_on()
404 pwrc_domain->desc.top_pd->iso_reg, in meson_ee_pwrc_on()
405 pwrc_domain->desc.top_pd->iso_mask, 0); in meson_ee_pwrc_on()
407 ret = reset_control_deassert(pwrc_domain->rstc); in meson_ee_pwrc_on()
411 return clk_bulk_prepare_enable(pwrc_domain->num_clks, in meson_ee_pwrc_on()
412 pwrc_domain->clks); in meson_ee_pwrc_on()
421 dom->pwrc = pwrc; in meson_ee_pwrc_init_domain()
422 dom->num_rstc = dom->desc.reset_names_count; in meson_ee_pwrc_init_domain()
423 dom->num_clks = dom->desc.clk_names_count; in meson_ee_pwrc_init_domain()
425 if (dom->num_rstc) { in meson_ee_pwrc_init_domain()
426 int count = reset_control_get_count(&pdev->dev); in meson_ee_pwrc_init_domain()
428 if (count != dom->num_rstc) in meson_ee_pwrc_init_domain()
429 dev_warn(&pdev->dev, "Invalid resets count %d for domain %s\n", in meson_ee_pwrc_init_domain()
430 count, dom->desc.name); in meson_ee_pwrc_init_domain()
432 dom->rstc = devm_reset_control_array_get_exclusive(&pdev->dev); in meson_ee_pwrc_init_domain()
433 if (IS_ERR(dom->rstc)) in meson_ee_pwrc_init_domain()
434 return PTR_ERR(dom->rstc); in meson_ee_pwrc_init_domain()
437 if (dom->num_clks) { in meson_ee_pwrc_init_domain()
438 int ret = devm_clk_bulk_get_all(&pdev->dev, &dom->clks); in meson_ee_pwrc_init_domain()
442 if (dom->num_clks != ret) { in meson_ee_pwrc_init_domain()
443 dev_warn(&pdev->dev, "Invalid clocks count %d for domain %s\n", in meson_ee_pwrc_init_domain()
444 ret, dom->desc.name); in meson_ee_pwrc_init_domain()
445 dom->num_clks = ret; in meson_ee_pwrc_init_domain()
449 dom->base.name = dom->desc.name; in meson_ee_pwrc_init_domain()
450 dom->base.power_on = meson_ee_pwrc_on; in meson_ee_pwrc_init_domain()
451 dom->base.power_off = meson_ee_pwrc_off; in meson_ee_pwrc_init_domain()
464 if (dom->num_clks && dom->desc.is_powered_off && !dom->desc.is_powered_off(dom)) { in meson_ee_pwrc_init_domain()
465 ret = clk_bulk_prepare_enable(dom->num_clks, dom->clks); in meson_ee_pwrc_init_domain()
469 dom->base.flags = GENPD_FLAG_ALWAYS_ON; in meson_ee_pwrc_init_domain()
470 ret = pm_genpd_init(&dom->base, NULL, false); in meson_ee_pwrc_init_domain()
474 ret = pm_genpd_init(&dom->base, NULL, in meson_ee_pwrc_init_domain()
475 (dom->desc.is_powered_off ? in meson_ee_pwrc_init_domain()
476 dom->desc.is_powered_off(dom) : true)); in meson_ee_pwrc_init_domain()
492 match = of_device_get_match_data(&pdev->dev); in meson_ee_pwrc_probe()
494 dev_err(&pdev->dev, "failed to get match data\n"); in meson_ee_pwrc_probe()
495 return -ENODEV; in meson_ee_pwrc_probe()
498 pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL); in meson_ee_pwrc_probe()
500 return -ENOMEM; in meson_ee_pwrc_probe()
502 pwrc->xlate.domains = devm_kcalloc(&pdev->dev, match->count, in meson_ee_pwrc_probe()
503 sizeof(*pwrc->xlate.domains), in meson_ee_pwrc_probe()
505 if (!pwrc->xlate.domains) in meson_ee_pwrc_probe()
506 return -ENOMEM; in meson_ee_pwrc_probe()
508 pwrc->domains = devm_kcalloc(&pdev->dev, match->count, in meson_ee_pwrc_probe()
509 sizeof(*pwrc->domains), GFP_KERNEL); in meson_ee_pwrc_probe()
510 if (!pwrc->domains) in meson_ee_pwrc_probe()
511 return -ENOMEM; in meson_ee_pwrc_probe()
513 pwrc->xlate.num_domains = match->count; in meson_ee_pwrc_probe()
515 parent_np = of_get_parent(pdev->dev.of_node); in meson_ee_pwrc_probe()
519 dev_err(&pdev->dev, "failed to get HHI regmap\n"); in meson_ee_pwrc_probe()
523 regmap_ao = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, in meson_ee_pwrc_probe()
524 "amlogic,ao-sysctrl"); in meson_ee_pwrc_probe()
526 dev_err(&pdev->dev, "failed to get AO regmap\n"); in meson_ee_pwrc_probe()
530 pwrc->regmap_ao = regmap_ao; in meson_ee_pwrc_probe()
531 pwrc->regmap_hhi = regmap_hhi; in meson_ee_pwrc_probe()
535 for (i = 0 ; i < match->count ; ++i) { in meson_ee_pwrc_probe()
536 struct meson_ee_pwrc_domain *dom = &pwrc->domains[i]; in meson_ee_pwrc_probe()
538 memcpy(&dom->desc, &match->domains[i], sizeof(dom->desc)); in meson_ee_pwrc_probe()
544 pwrc->xlate.domains[i] = &dom->base; in meson_ee_pwrc_probe()
547 return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate); in meson_ee_pwrc_probe()
555 for (i = 0 ; i < pwrc->xlate.num_domains ; ++i) { in meson_ee_pwrc_shutdown()
556 struct meson_ee_pwrc_domain *dom = &pwrc->domains[i]; in meson_ee_pwrc_shutdown()
558 if (dom->desc.is_powered_off && !dom->desc.is_powered_off(dom)) in meson_ee_pwrc_shutdown()
559 meson_ee_pwrc_off(&dom->base); in meson_ee_pwrc_shutdown()
595 .compatible = "amlogic,meson8-pwrc",
599 .compatible = "amlogic,meson8b-pwrc",
603 .compatible = "amlogic,meson8m2-pwrc",
607 .compatible = "amlogic,meson-axg-pwrc",
611 .compatible = "amlogic,meson-gxbb-pwrc",
615 .compatible = "amlogic,meson-g12a-pwrc",
619 .compatible = "amlogic,meson-sm1-pwrc",