pmdomain/imx/imx8m-blk-ctrl.c

68 	struct imx8m_blk_ctrl *bc;
89 	struct imx8m_blk_ctrl *bc = domain->bc;
93 	ret = pm_runtime_get_sync(bc->bus_power_dev);
95 		pm_runtime_put_noidle(bc->bus_power_dev);
96 		dev_err(bc->dev, "failed to power up bus domain\n");
101 	regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
103 		regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
108 		dev_err(bc->dev, "failed to enable clocks\n");
111 	regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
116 		dev_err(bc->dev, "failed to power up peripheral domain\n");
124 	regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
126 		regmap_set_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
130 		dev_err(bc->dev, "failed to set icc bw\n");
140 	pm_runtime_put(bc->bus_power_dev);
149 	struct imx8m_blk_ctrl *bc = domain->bc;
153 		regmap_clear_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask);
155 	regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
156 	regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
162 	pm_runtime_put(bc->bus_power_dev);
173 	struct imx8m_blk_ctrl *bc;
183 	bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
184 	if (!bc)
187 	bc->dev = dev;
196 	bc->regmap = devm_regmap_init_mmio(dev, base, &regmap_config);
197 	if (IS_ERR(bc->regmap))
198 		return dev_err_probe(dev, PTR_ERR(bc->regmap),
201 	bc->domains = devm_kcalloc(dev, bc_data->num_domains,
204 	if (!bc->domains)
207 	bc->onecell_data.num_domains = bc_data->num_domains;
208 	bc->onecell_data.domains =
211 	if (!bc->onecell_data.domains)
214 	bc->bus_power_dev = dev_pm_domain_attach_by_name(dev, "bus");
215 	if (IS_ERR(bc->bus_power_dev)) {
216 		if (PTR_ERR(bc->bus_power_dev) == -ENODEV)
220 			return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
226 		struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
275 		domain->bc = bc;
299 		bc->onecell_data.domains[i] = &domain->genpd;
302 	ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
308 	bc->power_nb.notifier_call = bc_data->power_notifier_fn;
309 	ret = dev_pm_genpd_add_notifier(bc->bus_power_dev, &bc->power_nb);
315 	dev_set_drvdata(dev, bc);
327 		pm_genpd_remove(&bc->domains[i].genpd);
328 		dev_pm_domain_detach(bc->domains[i].power_dev, true);
331 	dev_pm_domain_detach(bc->bus_power_dev, true);
338 	struct imx8m_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
343 	for (i = 0; bc->onecell_data.num_domains; i++) {
344 		struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
350 	dev_pm_genpd_remove_notifier(bc->bus_power_dev);
352 	dev_pm_domain_detach(bc->bus_power_dev, true);
358 	struct imx8m_blk_ctrl *bc = dev_get_drvdata(dev);
369 	ret = pm_runtime_get_sync(bc->bus_power_dev);
371 		pm_runtime_put_noidle(bc->bus_power_dev);
375 	for (i = 0; i < bc->onecell_data.num_domains; i++) {
376 		struct imx8m_blk_ctrl_domain *domain = &bc->domains[i];
389 		pm_runtime_put(bc->domains[i].power_dev);
391 	pm_runtime_put(bc->bus_power_dev);
398 	struct imx8m_blk_ctrl *bc = dev_get_drvdata(dev);
401 	for (i = 0; i < bc->onecell_data.num_domains; i++)
402 		pm_runtime_put(bc->domains[i].power_dev);
404 	pm_runtime_put(bc->bus_power_dev);
417 	struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
429 	regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, BIT(0) | BIT(1) | BIT(2));
430 	regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(0) | BIT(1) | BIT(2));
441 		regmap_set_bits(bc->regmap, 0x8, 0xffffffff);
442 		regmap_set_bits(bc->regmap, 0xc, 0xffffffff);
443 		regmap_set_bits(bc->regmap, 0x10, 0xffffffff);
444 		regmap_set_bits(bc->regmap, 0x14, 0xffffffff);
527 	struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
534 	regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(12));
535 	regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(6));
597 	struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
604 	regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(8));
605 	regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(8));
671 	struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
678 	regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(8));
679 	regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(8));
694 		regmap_set_bits(bc->regmap, LCDIF_ARCACHE_CTRL,
806 	struct imx8m_blk_ctrl *bc = container_of(nb, struct imx8m_blk_ctrl,
819 	regmap_set_bits(bc->regmap, BLK_SFT_RSTN, BIT(0) | BIT(1));
820 	regmap_set_bits(bc->regmap, BLK_CLK_EN, BIT(0) | BIT(1));
831 		regmap_set_bits(bc->regmap, 0x8, 0xffffffff);
832 		regmap_set_bits(bc->regmap, 0xc, 0xffffffff);
833 		regmap_set_bits(bc->regmap, 0x10, 0xffffffff);