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authorUlf Hansson <ulf.hansson@linaro.org>2023-07-05 14:17:29 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2023-07-11 15:30:09 +0200
commite5300b2c3fe0c02ef3bf2cf3fc3c16f021344043 (patch)
treecba151d96614a3f398b98c4fc18d5bef21f127b1 /drivers/soc/imx
parentaded002384c13a473af7d519e38ff59bf6056289 (diff)
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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>
Diffstat (limited to 'drivers/soc/imx')
-rw-r--r--drivers/soc/imx/Makefile7
-rw-r--r--drivers/soc/imx/gpc.c554
-rw-r--r--drivers/soc/imx/gpcv2.c1550
-rw-r--r--drivers/soc/imx/imx8m-blk-ctrl.c898
-rw-r--r--drivers/soc/imx/imx8mp-blk-ctrl.c867
-rw-r--r--drivers/soc/imx/imx93-blk-ctrl.c436
-rw-r--r--drivers/soc/imx/imx93-pd.c176
7 files changed, 1 insertions, 4487 deletions
diff --git a/drivers/soc/imx/Makefile b/drivers/soc/imx/Makefile
index a28c44a1f16a..3ad321ca608a 100644
--- a/drivers/soc/imx/Makefile
+++ b/drivers/soc/imx/Makefile
@@ -2,10 +2,5 @@
ifeq ($(CONFIG_ARM),y)
obj-$(CONFIG_ARCH_MXC) += soc-imx.o
endif
-obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
-obj-$(CONFIG_IMX_GPCV2_PM_DOMAINS) += gpcv2.o
obj-$(CONFIG_SOC_IMX8M) += soc-imx8m.o
-obj-$(CONFIG_IMX8M_BLK_CTRL) += imx8m-blk-ctrl.o
-obj-$(CONFIG_IMX8M_BLK_CTRL) += imx8mp-blk-ctrl.o
-obj-$(CONFIG_SOC_IMX9) += imx93-src.o imx93-pd.o
-obj-$(CONFIG_IMX9_BLK_CTRL) += imx93-blk-ctrl.o
+obj-$(CONFIG_SOC_IMX9) += imx93-src.o
diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
deleted file mode 100644
index 90a8b2c0676f..000000000000
--- a/drivers/soc/imx/gpc.c
+++ /dev/null
@@ -1,554 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
- * Copyright 2011-2013 Freescale Semiconductor, Inc.
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
-#include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-
-#define GPC_CNTR 0x000
-
-#define GPC_PGC_CTRL_OFFS 0x0
-#define GPC_PGC_PUPSCR_OFFS 0x4
-#define GPC_PGC_PDNSCR_OFFS 0x8
-#define GPC_PGC_SW2ISO_SHIFT 0x8
-#define GPC_PGC_SW_SHIFT 0x0
-
-#define GPC_PGC_PCI_PDN 0x200
-#define GPC_PGC_PCI_SR 0x20c
-
-#define GPC_PGC_GPU_PDN 0x260
-#define GPC_PGC_GPU_PUPSCR 0x264
-#define GPC_PGC_GPU_PDNSCR 0x268
-#define GPC_PGC_GPU_SR 0x26c
-
-#define GPC_PGC_DISP_PDN 0x240
-#define GPC_PGC_DISP_SR 0x24c
-
-#define GPU_VPU_PUP_REQ BIT(1)
-#define GPU_VPU_PDN_REQ BIT(0)
-
-#define GPC_CLK_MAX 7
-
-#define PGC_DOMAIN_FLAG_NO_PD BIT(0)
-
-struct imx_pm_domain {
- struct generic_pm_domain base;
- struct regmap *regmap;
- struct regulator *supply;
- struct clk *clk[GPC_CLK_MAX];
- int num_clks;
- unsigned int reg_offs;
- signed char cntr_pdn_bit;
- unsigned int ipg_rate_mhz;
-};
-
-static inline struct imx_pm_domain *
-to_imx_pm_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx_pm_domain, base);
-}
-
-static int imx6_pm_domain_power_off(struct generic_pm_domain *genpd)
-{
- struct imx_pm_domain *pd = to_imx_pm_domain(genpd);
- int iso, iso2sw;
- u32 val;
-
- /* Read ISO and ISO2SW power down delays */
- regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PDNSCR_OFFS, &val);
- iso = val & 0x3f;
- iso2sw = (val >> 8) & 0x3f;
-
- /* Gate off domain when powered down */
- regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS,
- 0x1, 0x1);
-
- /* Request GPC to power down domain */
- val = BIT(pd->cntr_pdn_bit);
- regmap_update_bits(pd->regmap, GPC_CNTR, val, val);
-
- /* Wait ISO + ISO2SW IPG clock cycles */
- udelay(DIV_ROUND_UP(iso + iso2sw, pd->ipg_rate_mhz));
-
- if (pd->supply)
- regulator_disable(pd->supply);
-
- return 0;
-}
-
-static int imx6_pm_domain_power_on(struct generic_pm_domain *genpd)
-{
- struct imx_pm_domain *pd = to_imx_pm_domain(genpd);
- int i, ret;
- u32 val, req;
-
- if (pd->supply) {
- ret = regulator_enable(pd->supply);
- if (ret) {
- pr_err("%s: failed to enable regulator: %d\n",
- __func__, ret);
- return ret;
- }
- }
-
- /* Enable reset clocks for all devices in the domain */
- for (i = 0; i < pd->num_clks; i++)
- clk_prepare_enable(pd->clk[i]);
-
- /* Gate off domain when powered down */
- regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS,
- 0x1, 0x1);
-
- /* Request GPC to power up domain */
- req = BIT(pd->cntr_pdn_bit + 1);
- regmap_update_bits(pd->regmap, GPC_CNTR, req, req);
-
- /* Wait for the PGC to handle the request */
- ret = regmap_read_poll_timeout(pd->regmap, GPC_CNTR, val, !(val & req),
- 1, 50);
- if (ret)
- pr_err("powerup request on domain %s timed out\n", genpd->name);
-
- /* Wait for reset to propagate through peripherals */
- usleep_range(5, 10);
-
- /* Disable reset clocks for all devices in the domain */
- for (i = 0; i < pd->num_clks; i++)
- clk_disable_unprepare(pd->clk[i]);
-
- return 0;
-}
-
-static int imx_pgc_get_clocks(struct device *dev, struct imx_pm_domain *domain)
-{
- int i, ret;
-
- for (i = 0; ; i++) {
- struct clk *clk = of_clk_get(dev->of_node, i);
- if (IS_ERR(clk))
- break;
- if (i >= GPC_CLK_MAX) {
- dev_err(dev, "more than %d clocks\n", GPC_CLK_MAX);
- ret = -EINVAL;
- goto clk_err;
- }
- domain->clk[i] = clk;
- }
- domain->num_clks = i;
-
- return 0;
-
-clk_err:
- while (i--)
- clk_put(domain->clk[i]);
-
- return ret;
-}
-
-static void imx_pgc_put_clocks(struct imx_pm_domain *domain)
-{
- int i;
-
- for (i = domain->num_clks - 1; i >= 0; i--)
- clk_put(domain->clk[i]);
-}
-
-static int imx_pgc_parse_dt(struct device *dev, struct imx_pm_domain *domain)
-{
- /* try to get the domain supply regulator */
- domain->supply = devm_regulator_get_optional(dev, "power");
- if (IS_ERR(domain->supply)) {
- if (PTR_ERR(domain->supply) == -ENODEV)
- domain->supply = NULL;
- else
- return PTR_ERR(domain->supply);
- }
-
- /* try to get all clocks needed for reset propagation */
- return imx_pgc_get_clocks(dev, domain);
-}
-
-static int imx_pgc_power_domain_probe(struct platform_device *pdev)
-{
- struct imx_pm_domain *domain = pdev->dev.platform_data;
- struct device *dev = &pdev->dev;
- int ret;
-
- /* if this PD is associated with a DT node try to parse it */
- if (dev->of_node) {
- ret = imx_pgc_parse_dt(dev, domain);
- if (ret)
- return ret;
- }
-
- /* initially power on the domain */
- if (domain->base.power_on)
- domain->base.power_on(&domain->base);
-
- if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
- pm_genpd_init(&domain->base, NULL, false);
- ret = of_genpd_add_provider_simple(dev->of_node, &domain->base);
- if (ret)
- goto genpd_err;
- }
-
- device_link_add(dev, dev->parent, DL_FLAG_AUTOREMOVE_CONSUMER);
-
- return 0;
-
-genpd_err:
- pm_genpd_remove(&domain->base);
- imx_pgc_put_clocks(domain);
-
- return ret;
-}
-
-static int imx_pgc_power_domain_remove(struct platform_device *pdev)
-{
- struct imx_pm_domain *domain = pdev->dev.platform_data;
-
- if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
- of_genpd_del_provider(pdev->dev.of_node);
- pm_genpd_remove(&domain->base);
- imx_pgc_put_clocks(domain);
- }
-
- return 0;
-}
-
-static const struct platform_device_id imx_pgc_power_domain_id[] = {
- { "imx-pgc-power-domain"},
- { },
-};
-
-static struct platform_driver imx_pgc_power_domain_driver = {
- .driver = {
- .name = "imx-pgc-pd",
- },
- .probe = imx_pgc_power_domain_probe,
- .remove = imx_pgc_power_domain_remove,
- .id_table = imx_pgc_power_domain_id,
-};
-builtin_platform_driver(imx_pgc_power_domain_driver)
-
-#define GPC_PGC_DOMAIN_ARM 0
-#define GPC_PGC_DOMAIN_PU 1
-#define GPC_PGC_DOMAIN_DISPLAY 2
-#define GPC_PGC_DOMAIN_PCI 3
-
-static struct genpd_power_state imx6_pm_domain_pu_state = {
- .power_off_latency_ns = 25000,
- .power_on_latency_ns = 2000000,
-};
-
-static struct imx_pm_domain imx_gpc_domains[] = {
- [GPC_PGC_DOMAIN_ARM] = {
- .base = {
- .name = "ARM",
- .flags = GENPD_FLAG_ALWAYS_ON,
- },
- },
- [GPC_PGC_DOMAIN_PU] = {
- .base = {
- .name = "PU",
- .power_off = imx6_pm_domain_power_off,
- .power_on = imx6_pm_domain_power_on,
- .states = &imx6_pm_domain_pu_state,
- .state_count = 1,
- },
- .reg_offs = 0x260,
- .cntr_pdn_bit = 0,
- },
- [GPC_PGC_DOMAIN_DISPLAY] = {
- .base = {
- .name = "DISPLAY",
- .power_off = imx6_pm_domain_power_off,
- .power_on = imx6_pm_domain_power_on,
- },
- .reg_offs = 0x240,
- .cntr_pdn_bit = 4,
- },
- [GPC_PGC_DOMAIN_PCI] = {
- .base = {
- .name = "PCI",
- .power_off = imx6_pm_domain_power_off,
- .power_on = imx6_pm_domain_power_on,
- },
- .reg_offs = 0x200,
- .cntr_pdn_bit = 6,
- },
-};
-
-struct imx_gpc_dt_data {
- int num_domains;
- bool err009619_present;
- bool err006287_present;
-};
-
-static const struct imx_gpc_dt_data imx6q_dt_data = {
- .num_domains = 2,
- .err009619_present = false,
- .err006287_present = false,
-};
-
-static const struct imx_gpc_dt_data imx6qp_dt_data = {
- .num_domains = 2,
- .err009619_present = true,
- .err006287_present = false,
-};
-
-static const struct imx_gpc_dt_data imx6sl_dt_data = {
- .num_domains = 3,
- .err009619_present = false,
- .err006287_present = true,
-};
-
-static const struct imx_gpc_dt_data imx6sx_dt_data = {
- .num_domains = 4,
- .err009619_present = false,
- .err006287_present = false,
-};
-
-static const struct of_device_id imx_gpc_dt_ids[] = {
- { .compatible = "fsl,imx6q-gpc", .data = &imx6q_dt_data },
- { .compatible = "fsl,imx6qp-gpc", .data = &imx6qp_dt_data },
- { .compatible = "fsl,imx6sl-gpc", .data = &imx6sl_dt_data },
- { .compatible = "fsl,imx6sx-gpc", .data = &imx6sx_dt_data },
- { }
-};
-
-static const struct regmap_range yes_ranges[] = {
- regmap_reg_range(GPC_CNTR, GPC_CNTR),
- regmap_reg_range(GPC_PGC_PCI_PDN, GPC_PGC_PCI_SR),
- regmap_reg_range(GPC_PGC_GPU_PDN, GPC_PGC_GPU_SR),
- regmap_reg_range(GPC_PGC_DISP_PDN, GPC_PGC_DISP_SR),
-};
-
-static const struct regmap_access_table access_table = {
- .yes_ranges = yes_ranges,
- .n_yes_ranges = ARRAY_SIZE(yes_ranges),
-};
-
-static const struct regmap_config imx_gpc_regmap_config = {
- .reg_bits = 32,
- .val_bits = 32,
- .reg_stride = 4,
- .rd_table = &access_table,
- .wr_table = &access_table,
- .max_register = 0x2ac,
- .fast_io = true,
-};
-
-static struct generic_pm_domain *imx_gpc_onecell_domains[] = {
- &imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base,
- &imx_gpc_domains[GPC_PGC_DOMAIN_PU].base,
-};
-
-static struct genpd_onecell_data imx_gpc_onecell_data = {
- .domains = imx_gpc_onecell_domains,
- .num_domains = 2,
-};
-
-static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap,
- unsigned int num_domains)
-{
- struct imx_pm_domain *domain;
- int i, ret;
-
- for (i = 0; i < num_domains; i++) {
- domain = &imx_gpc_domains[i];
- domain->regmap = regmap;
- domain->ipg_rate_mhz = 66;
-
- if (i == 1) {
- domain->supply = devm_regulator_get(dev, "pu");
- if (IS_ERR(domain->supply))
- return PTR_ERR(domain->supply);
-
- ret = imx_pgc_get_clocks(dev, domain);
- if (ret)
- goto clk_err;
-
- domain->base.power_on(&domain->base);
- }
- }
-
- for (i = 0; i < num_domains; i++)
- pm_genpd_init(&imx_gpc_domains[i].base, NULL, false);
-
- if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) {
- ret = of_genpd_add_provider_onecell(dev->of_node,
- &imx_gpc_onecell_data);
- if (ret)
- goto genpd_err;
- }
-
- return 0;
-
-genpd_err:
- for (i = 0; i < num_domains; i++)
- pm_genpd_remove(&imx_gpc_domains[i].base);
- imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
-clk_err:
- return ret;
-}
-
-static int imx_gpc_probe(struct platform_device *pdev)
-{
- const struct of_device_id *of_id =
- of_match_device(imx_gpc_dt_ids, &pdev->dev);
- const struct imx_gpc_dt_data *of_id_data = of_id->data;
- struct device_node *pgc_node;
- struct regmap *regmap;
- void __iomem *base;
- int ret;
-
- pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
-
- /* bail out if DT too old and doesn't provide the necessary info */
- if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
- !pgc_node)
- return 0;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
- regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base,
- &imx_gpc_regmap_config);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- dev_err(&pdev->dev, "failed to init regmap: %d\n",
- ret);
- return ret;
- }
-
- /*
- * Disable PU power down by runtime PM if ERR009619 is present.
- *
- * The PRE clock will be paused for several cycles when turning on the
- * PU domain LDO from power down state. If PRE is in use at that time,
- * the IPU/PRG cannot get the correct display data from the PRE.
- *
- * This is not a concern when the whole system enters suspend state, so
- * it's safe to power down PU in this case.
- */
- if (of_id_data->err009619_present)
- imx_gpc_domains[GPC_PGC_DOMAIN_PU].base.flags |=
- GENPD_FLAG_RPM_ALWAYS_ON;
-
- /* Keep DISP always on if ERR006287 is present */
- if (of_id_data->err006287_present)
- imx_gpc_domains[GPC_PGC_DOMAIN_DISPLAY].base.flags |=
- GENPD_FLAG_ALWAYS_ON;
-
- if (!pgc_node) {
- ret = imx_gpc_old_dt_init(&pdev->dev, regmap,
- of_id_data->num_domains);
- if (ret)
- return ret;
- } else {
- struct imx_pm_domain *domain;
- struct platform_device *pd_pdev;
- struct device_node *np;
- struct clk *ipg_clk;
- unsigned int ipg_rate_mhz;
- int domain_index;
-
- ipg_clk = devm_clk_get(&pdev->dev, "ipg");
- if (IS_ERR(ipg_clk))
- return PTR_ERR(ipg_clk);
- ipg_rate_mhz = clk_get_rate(ipg_clk) / 1000000;
-
- for_each_child_of_node(pgc_node, np) {
- ret = of_property_read_u32(np, "reg", &domain_index);
- if (ret) {
- of_node_put(np);
- return ret;
- }
- if (domain_index >= of_id_data->num_domains)
- continue;
-
- pd_pdev = platform_device_alloc("imx-pgc-power-domain",
- domain_index);
- if (!pd_pdev) {
- of_node_put(np);
- return -ENOMEM;
- }
-
- ret = platform_device_add_data(pd_pdev,
- &imx_gpc_domains[domain_index],
- sizeof(imx_gpc_domains[domain_index]));
- if (ret) {
- platform_device_put(pd_pdev);
- of_node_put(np);
- return ret;
- }
- domain = pd_pdev->dev.platform_data;
- domain->regmap = regmap;
- domain->ipg_rate_mhz = ipg_rate_mhz;
-
- pd_pdev->dev.parent = &pdev->dev;
- pd_pdev->dev.of_node = np;
-
- ret = platform_device_add(pd_pdev);
- if (ret) {
- platform_device_put(pd_pdev);
- of_node_put(np);
- return ret;
- }
- }
- }
-
- return 0;
-}
-
-static int imx_gpc_remove(struct platform_device *pdev)
-{
- struct device_node *pgc_node;
- int ret;
-
- pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
-
- /* bail out if DT too old and doesn't provide the necessary info */
- if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
- !pgc_node)
- return 0;
-
- /*
- * If the old DT binding is used the toplevel driver needs to
- * de-register the power domains
- */
- if (!pgc_node) {
- of_genpd_del_provider(pdev->dev.of_node);
-
- ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
- if (ret)
- return ret;
- imx_pgc_put_clocks(&imx_gpc_domains[GPC_PGC_DOMAIN_PU]);
-
- ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_ARM].base);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static struct platform_driver imx_gpc_driver = {
- .driver = {
- .name = "imx-gpc",
- .of_match_table = imx_gpc_dt_ids,
- },
- .probe = imx_gpc_probe,
- .remove = imx_gpc_remove,
-};
-builtin_platform_driver(imx_gpc_driver)
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
deleted file mode 100644
index 4b3300b090a8..000000000000
--- a/drivers/soc/imx/gpcv2.c
+++ /dev/null
@@ -1,1550 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2017 Impinj, Inc
- * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
- *
- * Based on the code of analogus driver:
- *
- * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
- */
-
-#include <linux/clk.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/regulator/consumer.h>
-#include <linux/reset.h>
-#include <linux/sizes.h>
-#include <dt-bindings/power/imx7-power.h>
-#include <dt-bindings/power/imx8mq-power.h>
-#include <dt-bindings/power/imx8mm-power.h>
-#include <dt-bindings/power/imx8mn-power.h>
-#include <dt-bindings/power/imx8mp-power.h>
-
-#define GPC_LPCR_A_CORE_BSC 0x000
-
-#define GPC_PGC_CPU_MAPPING 0x0ec
-#define IMX8MP_GPC_PGC_CPU_MAPPING 0x1cc
-
-#define IMX7_USB_HSIC_PHY_A_CORE_DOMAIN BIT(6)
-#define IMX7_USB_OTG2_PHY_A_CORE_DOMAIN BIT(5)
-#define IMX7_USB_OTG1_PHY_A_CORE_DOMAIN BIT(4)
-#define IMX7_PCIE_PHY_A_CORE_DOMAIN BIT(3)
-#define IMX7_MIPI_PHY_A_CORE_DOMAIN BIT(2)
-
-#define IMX8M_PCIE2_A53_DOMAIN BIT(15)
-#define IMX8M_MIPI_CSI2_A53_DOMAIN BIT(14)
-#define IMX8M_MIPI_CSI1_A53_DOMAIN BIT(13)
-#define IMX8M_DISP_A53_DOMAIN BIT(12)
-#define IMX8M_HDMI_A53_DOMAIN BIT(11)
-#define IMX8M_VPU_A53_DOMAIN BIT(10)
-#define IMX8M_GPU_A53_DOMAIN BIT(9)
-#define IMX8M_DDR2_A53_DOMAIN BIT(8)
-#define IMX8M_DDR1_A53_DOMAIN BIT(7)
-#define IMX8M_OTG2_A53_DOMAIN BIT(5)
-#define IMX8M_OTG1_A53_DOMAIN BIT(4)
-#define IMX8M_PCIE1_A53_DOMAIN BIT(3)
-#define IMX8M_MIPI_A53_DOMAIN BIT(2)
-
-#define IMX8MM_VPUH1_A53_DOMAIN BIT(15)
-#define IMX8MM_VPUG2_A53_DOMAIN BIT(14)
-#define IMX8MM_VPUG1_A53_DOMAIN BIT(13)
-#define IMX8MM_DISPMIX_A53_DOMAIN BIT(12)
-#define IMX8MM_VPUMIX_A53_DOMAIN BIT(10)
-#define IMX8MM_GPUMIX_A53_DOMAIN BIT(9)
-#define IMX8MM_GPU_A53_DOMAIN (BIT(8) | BIT(11))
-#define IMX8MM_DDR1_A53_DOMAIN BIT(7)
-#define IMX8MM_OTG2_A53_DOMAIN BIT(5)
-#define IMX8MM_OTG1_A53_DOMAIN BIT(4)
-#define IMX8MM_PCIE_A53_DOMAIN BIT(3)
-#define IMX8MM_MIPI_A53_DOMAIN BIT(2)
-
-#define IMX8MN_DISPMIX_A53_DOMAIN BIT(12)
-#define IMX8MN_GPUMIX_A53_DOMAIN BIT(9)
-#define IMX8MN_DDR1_A53_DOMAIN BIT(7)
-#define IMX8MN_OTG1_A53_DOMAIN BIT(4)
-#define IMX8MN_MIPI_A53_DOMAIN BIT(2)
-
-#define IMX8MP_MEDIA_ISPDWP_A53_DOMAIN BIT(20)
-#define IMX8MP_HSIOMIX_A53_DOMAIN BIT(19)
-#define IMX8MP_MIPI_PHY2_A53_DOMAIN BIT(18)
-#define IMX8MP_HDMI_PHY_A53_DOMAIN BIT(17)
-#define IMX8MP_HDMIMIX_A53_DOMAIN BIT(16)
-#define IMX8MP_VPU_VC8000E_A53_DOMAIN BIT(15)
-#define IMX8MP_VPU_G2_A53_DOMAIN BIT(14)
-#define IMX8MP_VPU_G1_A53_DOMAIN BIT(13)
-#define IMX8MP_MEDIAMIX_A53_DOMAIN BIT(12)
-#define IMX8MP_GPU3D_A53_DOMAIN BIT(11)
-#define IMX8MP_VPUMIX_A53_DOMAIN BIT(10)
-#define IMX8MP_GPUMIX_A53_DOMAIN BIT(9)
-#define IMX8MP_GPU2D_A53_DOMAIN BIT(8)
-#define IMX8MP_AUDIOMIX_A53_DOMAIN BIT(7)
-#define IMX8MP_MLMIX_A53_DOMAIN BIT(6)
-#define IMX8MP_USB2_PHY_A53_DOMAIN BIT(5)
-#define IMX8MP_USB1_PHY_A53_DOMAIN BIT(4)
-#define IMX8MP_PCIE_PHY_A53_DOMAIN BIT(3)
-#define IMX8MP_MIPI_PHY1_A53_DOMAIN BIT(2)
-
-#define IMX8MP_GPC_PU_PGC_SW_PUP_REQ 0x0d8
-#define IMX8MP_GPC_PU_PGC_SW_PDN_REQ 0x0e4
-
-#define GPC_PU_PGC_SW_PUP_REQ 0x0f8
-#define GPC_PU_PGC_SW_PDN_REQ 0x104
-
-#define IMX7_USB_HSIC_PHY_SW_Pxx_REQ BIT(4)
-#define IMX7_USB_OTG2_PHY_SW_Pxx_REQ BIT(3)
-#define IMX7_USB_OTG1_PHY_SW_Pxx_REQ BIT(2)
-#define IMX7_PCIE_PHY_SW_Pxx_REQ BIT(1)
-#define IMX7_MIPI_PHY_SW_Pxx_REQ BIT(0)
-
-#define IMX8M_PCIE2_SW_Pxx_REQ BIT(13)
-#define IMX8M_MIPI_CSI2_SW_Pxx_REQ BIT(12)
-#define IMX8M_MIPI_CSI1_SW_Pxx_REQ BIT(11)
-#define IMX8M_DISP_SW_Pxx_REQ BIT(10)
-#define IMX8M_HDMI_SW_Pxx_REQ BIT(9)
-#define IMX8M_VPU_SW_Pxx_REQ BIT(8)
-#define IMX8M_GPU_SW_Pxx_REQ BIT(7)
-#define IMX8M_DDR2_SW_Pxx_REQ BIT(6)
-#define IMX8M_DDR1_SW_Pxx_REQ BIT(5)
-#define IMX8M_OTG2_SW_Pxx_REQ BIT(3)
-#define IMX8M_OTG1_SW_Pxx_REQ BIT(2)
-#define IMX8M_PCIE1_SW_Pxx_REQ BIT(1)
-#define IMX8M_MIPI_SW_Pxx_REQ BIT(0)
-
-#define IMX8MM_VPUH1_SW_Pxx_REQ BIT(13)
-#define IMX8MM_VPUG2_SW_Pxx_REQ BIT(12)
-#define IMX8MM_VPUG1_SW_Pxx_REQ BIT(11)
-#define IMX8MM_DISPMIX_SW_Pxx_REQ BIT(10)
-#define IMX8MM_VPUMIX_SW_Pxx_REQ BIT(8)
-#define IMX8MM_GPUMIX_SW_Pxx_REQ BIT(7)
-#define IMX8MM_GPU_SW_Pxx_REQ (BIT(6) | BIT(9))
-#define IMX8MM_DDR1_SW_Pxx_REQ BIT(5)
-#define IMX8MM_OTG2_SW_Pxx_REQ BIT(3)
-#define IMX8MM_OTG1_SW_Pxx_REQ BIT(2)
-#define IMX8MM_PCIE_SW_Pxx_REQ BIT(1)
-#define IMX8MM_MIPI_SW_Pxx_REQ BIT(0)
-
-#define IMX8MN_DISPMIX_SW_Pxx_REQ BIT(10)
-#define IMX8MN_GPUMIX_SW_Pxx_REQ BIT(7)
-#define IMX8MN_DDR1_SW_Pxx_REQ BIT(5)
-#define IMX8MN_OTG1_SW_Pxx_REQ BIT(2)
-#define IMX8MN_MIPI_SW_Pxx_REQ BIT(0)
-
-#define IMX8MP_DDRMIX_Pxx_REQ BIT(19)
-#define IMX8MP_MEDIA_ISP_DWP_Pxx_REQ BIT(18)
-#define IMX8MP_HSIOMIX_Pxx_REQ BIT(17)
-#define IMX8MP_MIPI_PHY2_Pxx_REQ BIT(16)
-#define IMX8MP_HDMI_PHY_Pxx_REQ BIT(15)
-#define IMX8MP_HDMIMIX_Pxx_REQ BIT(14)
-#define IMX8MP_VPU_VC8K_Pxx_REQ BIT(13)
-#define IMX8MP_VPU_G2_Pxx_REQ BIT(12)
-#define IMX8MP_VPU_G1_Pxx_REQ BIT(11)
-#define IMX8MP_MEDIMIX_Pxx_REQ BIT(10)
-#define IMX8MP_GPU_3D_Pxx_REQ BIT(9)
-#define IMX8MP_VPU_MIX_SHARE_LOGIC_Pxx_REQ BIT(8)
-#define IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ BIT(7)
-#define IMX8MP_GPU_2D_Pxx_REQ BIT(6)
-#define IMX8MP_AUDIOMIX_Pxx_REQ BIT(5)
-#define IMX8MP_MLMIX_Pxx_REQ BIT(4)
-#define IMX8MP_USB2_PHY_Pxx_REQ BIT(3)
-#define IMX8MP_USB1_PHY_Pxx_REQ BIT(2)
-#define IMX8MP_PCIE_PHY_SW_Pxx_REQ BIT(1)
-#define IMX8MP_MIPI_PHY1_SW_Pxx_REQ BIT(0)
-
-#define GPC_M4_PU_PDN_FLG 0x1bc
-
-#define IMX8MP_GPC_PU_PWRHSK 0x190
-#define GPC_PU_PWRHSK 0x1fc
-
-#define IMX8M_GPU_HSK_PWRDNACKN BIT(26)
-#define IMX8M_VPU_HSK_PWRDNACKN BIT(25)
-#define IMX8M_DISP_HSK_PWRDNACKN BIT(24)
-#define IMX8M_GPU_HSK_PWRDNREQN BIT(6)
-#define IMX8M_VPU_HSK_PWRDNREQN BIT(5)
-#define IMX8M_DISP_HSK_PWRDNREQN BIT(4)
-
-#define IMX8MM_GPUMIX_HSK_PWRDNACKN BIT(29)
-#define IMX8MM_GPU_HSK_PWRDNACKN (BIT(27) | BIT(28))
-#define IMX8MM_VPUMIX_HSK_PWRDNACKN BIT(26)
-#define IMX8MM_DISPMIX_HSK_PWRDNACKN BIT(25)
-#define IMX8MM_HSIO_HSK_PWRDNACKN (BIT(23) | BIT(24))
-#define IMX8MM_GPUMIX_HSK_PWRDNREQN BIT(11)
-#define IMX8MM_GPU_HSK_PWRDNREQN (BIT(9) | BIT(10))
-#define IMX8MM_VPUMIX_HSK_PWRDNREQN BIT(8)
-#define IMX8MM_DISPMIX_HSK_PWRDNREQN BIT(7)
-#define IMX8MM_HSIO_HSK_PWRDNREQN (BIT(5) | BIT(6))
-
-#define IMX8MN_GPUMIX_HSK_PWRDNACKN (BIT(29) | BIT(27))
-#define IMX8MN_DISPMIX_HSK_PWRDNACKN BIT(25)
-#define IMX8MN_HSIO_HSK_PWRDNACKN BIT(23)
-#define IMX8MN_GPUMIX_HSK_PWRDNREQN (BIT(11) | BIT(9))
-#define IMX8MN_DISPMIX_HSK_PWRDNREQN BIT(7)
-#define IMX8MN_HSIO_HSK_PWRDNREQN BIT(5)
-
-#define IMX8MP_MEDIAMIX_PWRDNACKN BIT(30)
-#define IMX8MP_HDMIMIX_PWRDNACKN BIT(29)
-#define IMX8MP_HSIOMIX_PWRDNACKN BIT(28)
-#define IMX8MP_VPUMIX_PWRDNACKN BIT(26)
-#define IMX8MP_GPUMIX_PWRDNACKN BIT(25)
-#define IMX8MP_MLMIX_PWRDNACKN (BIT(23) | BIT(24))
-#define IMX8MP_AUDIOMIX_PWRDNACKN (BIT(20) | BIT(31))
-#define IMX8MP_MEDIAMIX_PWRDNREQN BIT(14)
-#define IMX8MP_HDMIMIX_PWRDNREQN BIT(13)
-#define IMX8MP_HSIOMIX_PWRDNREQN BIT(12)
-#define IMX8MP_VPUMIX_PWRDNREQN BIT(10)
-#define IMX8MP_GPUMIX_PWRDNREQN BIT(9)
-#define IMX8MP_MLMIX_PWRDNREQN (BIT(7) | BIT(8))
-#define IMX8MP_AUDIOMIX_PWRDNREQN (BIT(4) | BIT(15))
-
-/*
- * The PGC offset values in Reference Manual
- * (Rev. 1, 01/2018 and the older ones) GPC chapter's
- * GPC_PGC memory map are incorrect, below offset
- * values are from design RTL.
- */
-#define IMX7_PGC_MIPI 16
-#define IMX7_PGC_PCIE 17
-#define IMX7_PGC_USB_HSIC 20
-
-#define IMX8M_PGC_MIPI 16
-#define IMX8M_PGC_PCIE1 17
-#define IMX8M_PGC_OTG1 18
-#define IMX8M_PGC_OTG2 19
-#define IMX8M_PGC_DDR1 21
-#define IMX8M_PGC_GPU 23
-#define IMX8M_PGC_VPU 24
-#define IMX8M_PGC_DISP 26
-#define IMX8M_PGC_MIPI_CSI1 27
-#define IMX8M_PGC_MIPI_CSI2 28
-#define IMX8M_PGC_PCIE2 29
-
-#define IMX8MM_PGC_MIPI 16
-#define IMX8MM_PGC_PCIE 17
-#define IMX8MM_PGC_OTG1 18
-#define IMX8MM_PGC_OTG2 19
-#define IMX8MM_PGC_DDR1 21
-#define IMX8MM_PGC_GPU2D 22
-#define IMX8MM_PGC_GPUMIX 23
-#define IMX8MM_PGC_VPUMIX 24
-#define IMX8MM_PGC_GPU3D 25
-#define IMX8MM_PGC_DISPMIX 26
-#define IMX8MM_PGC_VPUG1 27
-#define IMX8MM_PGC_VPUG2 28
-#define IMX8MM_PGC_VPUH1 29
-
-#define IMX8MN_PGC_MIPI 16
-#define IMX8MN_PGC_OTG1 18
-#define IMX8MN_PGC_DDR1 21
-#define IMX8MN_PGC_GPUMIX 23
-#define IMX8MN_PGC_DISPMIX 26
-
-#define IMX8MP_PGC_NOC 9
-#define IMX8MP_PGC_MIPI1 12
-#define IMX8MP_PGC_PCIE 13
-#define IMX8MP_PGC_USB1 14
-#define IMX8MP_PGC_USB2 15
-#define IMX8MP_PGC_MLMIX 16
-#define IMX8MP_PGC_AUDIOMIX 17
-#define IMX8MP_PGC_GPU2D 18
-#define IMX8MP_PGC_GPUMIX 19
-#define IMX8MP_PGC_VPUMIX 20
-#define IMX8MP_PGC_GPU3D 21
-#define IMX8MP_PGC_MEDIAMIX 22
-#define IMX8MP_PGC_VPU_G1 23
-#define IMX8MP_PGC_VPU_G2 24
-#define IMX8MP_PGC_VPU_VC8000E 25
-#define IMX8MP_PGC_HDMIMIX 26
-#define IMX8MP_PGC_HDMI 27
-#define IMX8MP_PGC_MIPI2 28
-#define IMX8MP_PGC_HSIOMIX 29
-#define IMX8MP_PGC_MEDIA_ISP_DWP 30
-#define IMX8MP_PGC_DDRMIX 31
-
-#define GPC_PGC_CTRL(n) (0x800 + (n) * 0x40)
-#define GPC_PGC_SR(n) (GPC_PGC_CTRL(n) + 0xc)
-
-#define GPC_PGC_CTRL_PCR BIT(0)
-
-struct imx_pgc_regs {
- u16 map;
- u16 pup;
- u16 pdn;
- u16 hsk;
-};
-
-struct imx_pgc_domain {
- struct generic_pm_domain genpd;
- struct regmap *regmap;
- const struct imx_pgc_regs *regs;
- struct regulator *regulator;
- struct reset_control *reset;
- struct clk_bulk_data *clks;
- int num_clks;
-
- unsigned long pgc;
-
- const struct {
- u32 pxx;
- u32 map;
- u32 hskreq;
- u32 hskack;
- } bits;
-
- const int voltage;
- const bool keep_clocks;
- struct device *dev;
-
- unsigned int pgc_sw_pup_reg;
- unsigned int pgc_sw_pdn_reg;
-};
-
-struct imx_pgc_domain_data {
- const struct imx_pgc_domain *domains;
- size_t domains_num;
- const struct regmap_access_table *reg_access_table;
- const struct imx_pgc_regs *pgc_regs;
-};
-
-static inline struct imx_pgc_domain *
-to_imx_pgc_domain(struct generic_pm_domain *genpd)
-{
- return container_of(genpd, struct imx_pgc_domain, genpd);
-}
-
-static int imx_pgc_power_up(struct generic_pm_domain *genpd)
-{
- struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd);
- u32 reg_val, pgc;
- int ret;
-
- ret = pm_runtime_get_sync(domain->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(domain->dev);
- return ret;
- }
-
- if (!IS_ERR(domain->regulator)) {
- ret = regulator_enable(domain->regulator);
- if (ret) {
- dev_err(domain->dev,
- "failed to enable regulator: %pe\n",
- ERR_PTR(ret));
- goto out_put_pm;
- }
- }
-
- reset_control_assert(domain->reset);
-
- /* Enable reset clocks for all devices in the domain */
- ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
- if (ret) {
- dev_err(domain->dev, "failed to enable reset clocks\n");
- goto out_regulator_disable;
- }
-
- /* delays for reset to propagate */
- udelay(5);
-
- if (domain->bits.pxx) {
- /* request the domain to power up */
- regmap_update_bits(domain->regmap, domain->regs->pup,
- domain->bits.pxx, domain->bits.pxx);
- /*
- * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait
- * for PUP_REQ/PDN_REQ bit to be cleared
- */
- ret = regmap_read_poll_timeout(domain->regmap,
- domain->regs->pup, reg_val,
- !(reg_val & domain->bits.pxx),
- 0, USEC_PER_MSEC);
- if (ret) {
- dev_err(domain->dev, "failed to command PGC\n");
- goto out_clk_disable;
- }
-
- /* disable power control */
- for_each_set_bit(pgc, &domain->pgc, 32) {
- regmap_clear_bits(domain->regmap, GPC_PGC_CTRL(pgc),
- GPC_PGC_CTRL_PCR);
- }
- }
-
- /* delay for reset to propagate */
- udelay(5);
-
- reset_control_deassert(domain->reset);
-
- /* request the ADB400 to power up */
- if (domain->bits.hskreq) {
- regmap_update_bits(domain->regmap, domain->regs->hsk,
- domain->bits.hskreq, domain->bits.hskreq);
-
- /*
- * ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk, reg_val,
- * (reg_val & domain->bits.hskack), 0,
- * USEC_PER_MSEC);
- * Technically we need the commented code to wait handshake. But that needs
- * the BLK-CTL module BUS clk-en bit being set.
- *
- * There is a separate BLK-CTL module and we will have such a driver for it,
- * that driver will set the BUS clk-en bit and handshake will be triggered
- * automatically there. Just add a delay and suppose the handshake finish
- * after that.
- */
- }
-
- /* Disable reset clocks for all devices in the domain */
- if (!domain->keep_clocks)
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- return 0;
-
-out_clk_disable:
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-out_regulator_disable:
- if (!IS_ERR(domain->regulator))
- regulator_disable(domain->regulator);
-out_put_pm:
- pm_runtime_put(domain->dev);
-
- return ret;
-}
-
-static int imx_pgc_power_down(struct generic_pm_domain *genpd)
-{
- struct imx_pgc_domain *domain = to_imx_pgc_domain(genpd);
- u32 reg_val, pgc;
- int ret;
-
- /* Enable reset clocks for all devices in the domain */
- if (!domain->keep_clocks) {
- ret = clk_bulk_prepare_enable(domain->num_clks, domain->clks);
- if (ret) {
- dev_err(domain->dev, "failed to enable reset clocks\n");
- return ret;
- }
- }
-
- /* request the ADB400 to power down */
- if (domain->bits.hskreq) {
- regmap_clear_bits(domain->regmap, domain->regs->hsk,
- domain->bits.hskreq);
-
- ret = regmap_read_poll_timeout(domain->regmap, domain->regs->hsk,
- reg_val,
- !(reg_val & domain->bits.hskack),
- 0, USEC_PER_MSEC);
- if (ret) {
- dev_err(domain->dev, "failed to power down ADB400\n");
- goto out_clk_disable;
- }
- }
-
- if (domain->bits.pxx) {
- /* enable power control */
- for_each_set_bit(pgc, &domain->pgc, 32) {
- regmap_update_bits(domain->regmap, GPC_PGC_CTRL(pgc),
- GPC_PGC_CTRL_PCR, GPC_PGC_CTRL_PCR);
- }
-
- /* request the domain to power down */
- regmap_update_bits(domain->regmap, domain->regs->pdn,
- domain->bits.pxx, domain->bits.pxx);
- /*
- * As per "5.5.9.4 Example Code 4" in IMX7DRM.pdf wait
- * for PUP_REQ/PDN_REQ bit to be cleared
- */
- ret = regmap_read_poll_timeout(domain->regmap,
- domain->regs->pdn, reg_val,
- !(reg_val & domain->bits.pxx),
- 0, USEC_PER_MSEC);
- if (ret) {
- dev_err(domain->dev, "failed to command PGC\n");
- goto out_clk_disable;
- }
- }
-
- /* Disable reset clocks for all devices in the domain */
- clk_bulk_disable_unprepare(domain->num_clks, domain->clks);
-
- if (!IS_ERR(domain->regulator)) {
- ret = regulator_disable(domain->regulator);
- if (ret) {
- dev_err(domain->dev,
- "failed to disable regulator: %pe\n",
- ERR_PTR(ret));