soc: imx: Move power-domain drivers to the genpd dir

To simplify with maintenance let's move the imx power-domain drivers to the
new genpd directory. Going forward, patches are intended to be managed
through a separate git tree, according to MAINTAINERS.

Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: <kernel@pengutronix.de>
Cc: <linux-imx@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 0 insertions, 436 deletions

diff --git a/drivers/soc/imx/imx93-blk-ctrl.c b/drivers/soc/imx/imx93-blk-ctrl.c
deleted file mode 100644
index 2c600329436c..000000000000
--- a/drivers/soc/imx/imx93-blk-ctrl.c
+++ /dev/null
@@ -1,436 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2022 NXP, Peng Fan <peng.fan@nxp.com>
- */
-
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/pm_runtime.h>
-#include <linux/regmap.h>
-#include <linux/sizes.h>
-
-#include <dt-bindings/power/fsl,imx93-power.h>
-
-#define BLK_SFT_RSTN	0x0
-#define BLK_CLK_EN	0x4
-#define BLK_MAX_CLKS	4
-
-#define DOMAIN_MAX_CLKS 4
-
-#define LCDIF_QOS_REG		0xC
-#define LCDIF_DEFAULT_QOS_OFF	12
-#define LCDIF_CFG_QOS_OFF	8
-
-#define PXP_QOS_REG		0x10
-#define PXP_R_DEFAULT_QOS_OFF	28
-#define PXP_R_CFG_QOS_OFF	24
-#define PXP_W_DEFAULT_QOS_OFF	20
-#define PXP_W_CFG_QOS_OFF	16
-
-#define ISI_CACHE_REG		0x14
-
-#define ISI_QOS_REG		0x1C
-#define ISI_V_DEFAULT_QOS_OFF	28
-#define ISI_V_CFG_QOS_OFF	24
-#define ISI_U_DEFAULT_QOS_OFF	20
-#define ISI_U_CFG_QOS_OFF	16
-#define ISI_Y_R_DEFAULT_QOS_OFF	12
-#define ISI_Y_R_CFG_QOS_OFF	8
-#define ISI_Y_W_DEFAULT_QOS_OFF	4
-#define ISI_Y_W_CFG_QOS_OFF	0
-
-#define PRIO_MASK		0xF
-
-#define PRIO(X)			(X)
-
-struct imx93_blk_ctrl_domain;
-
-struct imx93_blk_ctrl {
-	struct device *dev;
-	struct regmap *regmap;
-	int num_clks;
-	struct clk_bulk_data clks[BLK_MAX_CLKS];
-	struct imx93_blk_ctrl_domain *domains;
-	struct genpd_onecell_data onecell_data;
-};
-
-#define DOMAIN_MAX_QOS 4
-
-struct imx93_blk_ctrl_qos {
-	u32 reg;
-	u32 cfg_off;
-	u32 default_prio;
-	u32 cfg_prio;
-};
-
-struct imx93_blk_ctrl_domain_data {
-	const char *name;
-	const char * const *clk_names;
-	int num_clks;
-	u32 rst_mask;
-	u32 clk_mask;
-	int num_qos;
-	struct imx93_blk_ctrl_qos qos[DOMAIN_MAX_QOS];
-};
-
-struct imx93_blk_ctrl_domain {
-	struct generic_pm_domain genpd;
-	const struct imx93_blk_ctrl_domain_data *data;
-	struct clk_bulk_data clks[DOMAIN_MAX_CLKS];
-	struct imx93_blk_ctrl *bc;
-};
-
-struct imx93_blk_ctrl_data {
-	const struct imx93_blk_ctrl_domain_data *domains;
-	int num_domains;
-	const char * const *clk_names;
-	int num_clks;
-	const struct regmap_access_table *reg_access_table;
-};
-
-static inline struct imx93_blk_ctrl_domain *
-to_imx93_blk_ctrl_domain(struct generic_pm_domain *genpd)
-{
-	return container_of(genpd, struct imx93_blk_ctrl_domain, genpd);
-}
-
-static int imx93_blk_ctrl_set_qos(struct imx93_blk_ctrl_domain *domain)
-{
-	const struct imx93_blk_ctrl_domain_data *data = domain->data;
-	struct imx93_blk_ctrl *bc = domain->bc;
-	const struct imx93_blk_ctrl_qos *qos;
-	u32 val, mask;
-	int i;
-
-	for (i = 0; i < data->num_qos; i++) {
-		qos = &data->qos[i];
-
-		mask = PRIO_MASK << qos->cfg_off;
-		mask |= PRIO_MASK << (qos->cfg_off + 4);
-		val = qos->cfg_prio << qos->cfg_off;
-		val |= qos->default_prio << (qos->cfg_off + 4);
-
-		regmap_write_bits(bc->regmap, qos->reg, mask, val);
-
-		dev_dbg(bc->dev, "data->qos[i].reg 0x%x 0x%x\n", qos->reg, val);
-	}
-
-	return 0;
-}
-
-static int imx93_blk_ctrl_power_on(struct generic_pm_domain *genpd)
-{
-	struct imx93_blk_ctrl_domain *domain = to_imx93_blk_ctrl_domain(genpd);
-	const struct imx93_blk_ctrl_domain_data *data = domain->data;
-	struct imx93_blk_ctrl *bc = domain->bc;
-	int ret;
-
-	ret = clk_bulk_prepare_enable(bc->num_clks, bc->clks);
-	if (ret) {
-		dev_err(bc->dev, "failed to enable bus clocks\n");
-		return ret;
-	}
-
-	ret = clk_bulk_prepare_enable(data->num_clks, domain->clks);
-	if (ret) {
-		clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
-		dev_err(bc->dev, "failed to enable clocks\n");
-		return ret;
-	}
-
-	ret = pm_runtime_get_sync(bc->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(bc->dev);
-		dev_err(bc->dev, "failed to power up domain\n");
-		goto disable_clk;
-	}
-
-	/* ungate clk */
-	regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
-
-	/* release reset */
-	regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
-
-	dev_dbg(bc->dev, "pd_on: name: %s\n", genpd->name);
-
-	return imx93_blk_ctrl_set_qos(domain);
-
-disable_clk:
-	clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
-	clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
-
-	return ret;
-}
-
-static int imx93_blk_ctrl_power_off(struct generic_pm_domain *genpd)
-{
-	struct imx93_blk_ctrl_domain *domain = to_imx93_blk_ctrl_domain(genpd);
-	const struct imx93_blk_ctrl_domain_data *data = domain->data;
-	struct imx93_blk_ctrl *bc = domain->bc;
-
-	dev_dbg(bc->dev, "pd_off: name: %s\n", genpd->name);
-
-	regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask);
-	regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask);
-
-	pm_runtime_put(bc->dev);
-
-	clk_bulk_disable_unprepare(data->num_clks, domain->clks);
-
-	clk_bulk_disable_unprepare(bc->num_clks, bc->clks);
-
-	return 0;
-}
-
-static int imx93_blk_ctrl_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	const struct imx93_blk_ctrl_data *bc_data = of_device_get_match_data(dev);
-	struct imx93_blk_ctrl *bc;
-	void __iomem *base;
-	int i, ret;
-
-	struct regmap_config regmap_config = {
-		.reg_bits	= 32,
-		.val_bits	= 32,
-		.reg_stride	= 4,
-		.rd_table	= bc_data->reg_access_table,
-		.wr_table	= bc_data->reg_access_table,
-		.max_register   = SZ_4K,
-	};
-
-	bc = devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL);
-	if (!bc)
-		return -ENOMEM;
-
-	bc->dev = dev;
-
-	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
-	bc->regmap = devm_regmap_init_mmio(dev, base, &regmap_config);
-	if (IS_ERR(bc->regmap))
-		return dev_err_probe(dev, PTR_ERR(bc->regmap),
-				     "failed to init regmap\n");
-
-	bc->domains = devm_kcalloc(dev, bc_data->num_domains,
-				   sizeof(struct imx93_blk_ctrl_domain),
-				   GFP_KERNEL);
-	if (!bc->domains)
-		return -ENOMEM;
-
-	bc->onecell_data.num_domains = bc_data->num_domains;
-	bc->onecell_data.domains =
-		devm_kcalloc(dev, bc_data->num_domains,
-			     sizeof(struct generic_pm_domain *), GFP_KERNEL);
-	if (!bc->onecell_data.domains)
-		return -ENOMEM;
-
-	for (i = 0; i < bc_data->num_clks; i++)
-		bc->clks[i].id = bc_data->clk_names[i];
-	bc->num_clks = bc_data->num_clks;
-
-	ret = devm_clk_bulk_get(dev, bc->num_clks, bc->clks);
-	if (ret) {
-		dev_err_probe(dev, ret, "failed to get bus clock\n");
-		return ret;
-	}
-
-	for (i = 0; i < bc_data->num_domains; i++) {
-		const struct imx93_blk_ctrl_domain_data *data = &bc_data->domains[i];
-		struct imx93_blk_ctrl_domain *domain = &bc->domains[i];
-		int j;
-
-		domain->data = data;
-
-		for (j = 0; j < data->num_clks; j++)
-			domain->clks[j].id = data->clk_names[j];
-
-		ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks);
-		if (ret) {
-			dev_err_probe(dev, ret, "failed to get clock\n");
-			goto cleanup_pds;
-		}
-
-		domain->genpd.name = data->name;
-		domain->genpd.power_on = imx93_blk_ctrl_power_on;
-		domain->genpd.power_off = imx93_blk_ctrl_power_off;
-		domain->bc = bc;
-
-		ret = pm_genpd_init(&domain->genpd, NULL, true);
-		if (ret) {
-			dev_err_probe(dev, ret, "failed to init power domain\n");
-			goto cleanup_pds;
-		}
-
-		bc->onecell_data.domains[i] = &domain->genpd;
-	}
-
-	pm_runtime_enable(dev);
-
-	ret = of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data);
-	if (ret) {
-		dev_err_probe(dev, ret, "failed to add power domain provider\n");
-		goto cleanup_pds;
-	}
-
-	dev_set_drvdata(dev, bc);
-
-	return 0;
-
-cleanup_pds:
-	for (i--; i >= 0; i--)
-		pm_genpd_remove(&bc->domains[i].genpd);
-
-	return ret;
-}
-
-static int imx93_blk_ctrl_remove(struct platform_device *pdev)
-{
-	struct imx93_blk_ctrl *bc = dev_get_drvdata(&pdev->dev);
-	int i;
-
-	of_genpd_del_provider(pdev->dev.of_node);
-
-	for (i = 0; bc->onecell_data.num_domains; i++) {
-		struct imx93_blk_ctrl_domain *domain = &bc->domains[i];
-
-		pm_genpd_remove(&domain->genpd);
-	}
-
-	return 0;
-}
-
-static const struct imx93_blk_ctrl_domain_data imx93_media_blk_ctl_domain_data[] = {
-	[IMX93_MEDIABLK_PD_MIPI_DSI] = {
-		.name = "mediablk-mipi-dsi",
-		.clk_names = (const char *[]){ "dsi" },
-		.num_clks = 1,
-		.rst_mask = BIT(11) | BIT(12),
-		.clk_mask = BIT(11) | BIT(12),
-	},
-	[IMX93_MEDIABLK_PD_MIPI_CSI] = {
-		.name = "mediablk-mipi-csi",
-		.clk_names = (const char *[]){ "cam", "csi" },
-		.num_clks = 2,
-		.rst_mask = BIT(9) | BIT(10),
-		.clk_mask = BIT(9) | BIT(10),
-	},
-	[IMX93_MEDIABLK_PD_PXP] = {
-		.name = "mediablk-pxp",
-		.clk_names = (const char *[]){ "pxp" },
-		.num_clks = 1,
-		.rst_mask = BIT(7) | BIT(8),
-		.clk_mask = BIT(7) | BIT(8),
-		.num_qos = 2,
-		.qos = {
-			{
-				.reg = PXP_QOS_REG,
-				.cfg_off = PXP_R_CFG_QOS_OFF,
-				.default_prio = PRIO(3),
-				.cfg_prio = PRIO(6),
-			}, {
-				.reg = PXP_QOS_REG,
-				.cfg_off = PXP_W_CFG_QOS_OFF,
-				.default_prio = PRIO(3),
-				.cfg_prio = PRIO(6),
-			}
-		}
-	},
-	[IMX93_MEDIABLK_PD_LCDIF] = {
-		.name = "mediablk-lcdif",
-		.clk_names = (const char *[]){ "disp", "lcdif" },
-		.num_clks = 2,
-		.rst_mask = BIT(4) | BIT(5) | BIT(6),
-		.clk_mask = BIT(4) | BIT(5) | BIT(6),
-		.num_qos = 1,
-		.qos = {
-			{
-			.reg = LCDIF_QOS_REG,
-			.cfg_off = LCDIF_CFG_QOS_OFF,
-			.default_prio = PRIO(3),
-			.cfg_prio = PRIO(7),
-			}
-		}
-	},
-	[IMX93_MEDIABLK_PD_ISI] = {
-		.name = "mediablk-isi",
-		.clk_names = (const char *[]){ "isi" },
-		.num_clks = 1,
-		.rst_mask = BIT(2) | BIT(3),
-		.clk_mask = BIT(2) | BIT(3),
-		.num_qos = 4,
-		.qos = {
-			{
-				.reg = ISI_QOS_REG,
-				.cfg_off = ISI_Y_W_CFG_QOS_OFF,
-				.default_prio = PRIO(3),
-				.cfg_prio = PRIO(7),
-			}, {
-				.reg = ISI_QOS_REG,
-				.cfg_off = ISI_Y_R_CFG_QOS_OFF,
-				.default_prio = PRIO(3),
-				.cfg_prio = PRIO(7),
-			}, {
-				.reg = ISI_QOS_REG,
-				.cfg_off = ISI_U_CFG_QOS_OFF,
-				.default_prio = PRIO(3),
-				.cfg_prio = PRIO(7),
-			}, {
-				.reg = ISI_QOS_REG,
-				.cfg_off = ISI_V_CFG_QOS_OFF,
-				.default_prio = PRIO(3),
-				.cfg_prio = PRIO(7),
-			}
-		}
-	},
-};
-
-static const struct regmap_range imx93_media_blk_ctl_yes_ranges[] = {
-	regmap_reg_range(BLK_SFT_RSTN, BLK_CLK_EN),
-	regmap_reg_range(LCDIF_QOS_REG, ISI_CACHE_REG),
-	regmap_reg_range(ISI_QOS_REG, ISI_QOS_REG),
-};
-
-static const struct regmap_access_table imx93_media_blk_ctl_access_table = {
-	.yes_ranges = imx93_media_blk_ctl_yes_ranges,
-	.n_yes_ranges = ARRAY_SIZE(imx93_media_blk_ctl_yes_ranges),
-};
-
-static const struct imx93_blk_ctrl_data imx93_media_blk_ctl_dev_data = {
-	.domains = imx93_media_blk_ctl_domain_data,
-	.num_domains = ARRAY_SIZE(imx93_media_blk_ctl_domain_data),
-	.clk_names = (const char *[]){ "axi", "apb", "nic", },
-	.num_clks = 3,
-	.reg_access_table = &imx93_media_blk_ctl_access_table,
-};
-
-static const struct of_device_id imx93_blk_ctrl_of_match[] = {
-	{
-		.compatible = "fsl,imx93-media-blk-ctrl",
-		.data = &imx93_media_blk_ctl_dev_data
-	}, {
-		/* Sentinel */
-	}
-};
-MODULE_DEVICE_TABLE(of, imx93_blk_ctrl_of_match);
-
-static struct platform_driver imx93_blk_ctrl_driver = {
-	.probe = imx93_blk_ctrl_probe,
-	.remove = imx93_blk_ctrl_remove,
-	.driver = {
-		.name = "imx93-blk-ctrl",
-		.of_match_table = imx93_blk_ctrl_of_match,
-	},
-};
-module_platform_driver(imx93_blk_ctrl_driver);
-
-MODULE_AUTHOR("Peng Fan <peng.fan@nxp.com>");
-MODULE_DESCRIPTION("i.MX93 BLK CTRL driver");
-MODULE_LICENSE("GPL");