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path: root/drivers/soc/actions/owl-sps.c
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Diffstat (limited to 'drivers/soc/actions/owl-sps.c')
-rw-r--r--drivers/soc/actions/owl-sps.c320
1 files changed, 0 insertions, 320 deletions
diff --git a/drivers/soc/actions/owl-sps.c b/drivers/soc/actions/owl-sps.c
deleted file mode 100644
index 73a9e0bb7e8e..000000000000
--- a/drivers/soc/actions/owl-sps.c
+++ /dev/null
@@ -1,320 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Actions Semi Owl Smart Power System (SPS)
- *
- * Copyright 2012 Actions Semi Inc.
- * Author: Actions Semi, Inc.
- *
- * Copyright (c) 2017 Andreas Färber
- */
-
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/pm_domain.h>
-#include <linux/soc/actions/owl-sps.h>
-#include <dt-bindings/power/owl-s500-powergate.h>
-#include <dt-bindings/power/owl-s700-powergate.h>
-#include <dt-bindings/power/owl-s900-powergate.h>
-
-struct owl_sps_domain_info {
- const char *name;
- int pwr_bit;
- int ack_bit;
- unsigned int genpd_flags;
-};
-
-struct owl_sps_info {
- unsigned num_domains;
- const struct owl_sps_domain_info *domains;
-};
-
-struct owl_sps {
- struct device *dev;
- const struct owl_sps_info *info;
- void __iomem *base;
- struct genpd_onecell_data genpd_data;
- struct generic_pm_domain *domains[];
-};
-
-#define to_owl_pd(gpd) container_of(gpd, struct owl_sps_domain, genpd)
-
-struct owl_sps_domain {
- struct generic_pm_domain genpd;
- const struct owl_sps_domain_info *info;
- struct owl_sps *sps;
-};
-
-static int owl_sps_set_power(struct owl_sps_domain *pd, bool enable)
-{
- u32 pwr_mask, ack_mask;
-
- ack_mask = BIT(pd->info->ack_bit);
- pwr_mask = BIT(pd->info->pwr_bit);
-
- return owl_sps_set_pg(pd->sps->base, pwr_mask, ack_mask, enable);
-}
-
-static int owl_sps_power_on(struct generic_pm_domain *domain)
-{
- struct owl_sps_domain *pd = to_owl_pd(domain);
-
- dev_dbg(pd->sps->dev, "%s power on", pd->info->name);
-
- return owl_sps_set_power(pd, true);
-}
-
-static int owl_sps_power_off(struct generic_pm_domain *domain)
-{
- struct owl_sps_domain *pd = to_owl_pd(domain);
-
- dev_dbg(pd->sps->dev, "%s power off", pd->info->name);
-
- return owl_sps_set_power(pd, false);
-}
-
-static int owl_sps_init_domain(struct owl_sps *sps, int index)
-{
- struct owl_sps_domain *pd;
-
- pd = devm_kzalloc(sps->dev, sizeof(*pd), GFP_KERNEL);
- if (!pd)
- return -ENOMEM;
-
- pd->info = &sps->info->domains[index];
- pd->sps = sps;
-
- pd->genpd.name = pd->info->name;
- pd->genpd.power_on = owl_sps_power_on;
- pd->genpd.power_off = owl_sps_power_off;
- pd->genpd.flags = pd->info->genpd_flags;
- pm_genpd_init(&pd->genpd, NULL, false);
-
- sps->genpd_data.domains[index] = &pd->genpd;
-
- return 0;
-}
-
-static int owl_sps_probe(struct platform_device *pdev)
-{
- const struct of_device_id *match;
- const struct owl_sps_info *sps_info;
- struct owl_sps *sps;
- int i, ret;
-
- if (!pdev->dev.of_node) {
- dev_err(&pdev->dev, "no device node\n");
- return -ENODEV;
- }
-
- match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev);
- if (!match || !match->data) {
- dev_err(&pdev->dev, "unknown compatible or missing data\n");
- return -EINVAL;
- }
-
- sps_info = match->data;
-
- sps = devm_kzalloc(&pdev->dev,
- struct_size(sps, domains, sps_info->num_domains),
- GFP_KERNEL);
- if (!sps)
- return -ENOMEM;
-
- sps->base = of_io_request_and_map(pdev->dev.of_node, 0, "owl-sps");
- if (IS_ERR(sps->base)) {
- dev_err(&pdev->dev, "failed to map sps registers\n");
- return PTR_ERR(sps->base);
- }
-
- sps->dev = &pdev->dev;
- sps->info = sps_info;
- sps->genpd_data.domains = sps->domains;
- sps->genpd_data.num_domains = sps_info->num_domains;
-
- for (i = 0; i < sps_info->num_domains; i++) {
- ret = owl_sps_init_domain(sps, i);
- if (ret)
- return ret;
- }
-
- ret = of_genpd_add_provider_onecell(pdev->dev.of_node, &sps->genpd_data);
- if (ret) {
- dev_err(&pdev->dev, "failed to add provider (%d)", ret);
- return ret;
- }
-
- return 0;
-}
-
-static const struct owl_sps_domain_info s500_sps_domains[] = {
- [S500_PD_VDE] = {
- .name = "VDE",
- .pwr_bit = 0,
- .ack_bit = 16,
- },
- [S500_PD_VCE_SI] = {
- .name = "VCE_SI",
- .pwr_bit = 1,
- .ack_bit = 17,
- },
- [S500_PD_USB2_1] = {
- .name = "USB2_1",
- .pwr_bit = 2,
- .ack_bit = 18,
- },
- [S500_PD_CPU2] = {
- .name = "CPU2",
- .pwr_bit = 5,
- .ack_bit = 21,
- .genpd_flags = GENPD_FLAG_ALWAYS_ON,
- },
- [S500_PD_CPU3] = {
- .name = "CPU3",
- .pwr_bit = 6,
- .ack_bit = 22,
- .genpd_flags = GENPD_FLAG_ALWAYS_ON,
- },
- [S500_PD_DMA] = {
- .name = "DMA",
- .pwr_bit = 8,
- .ack_bit = 12,
- },
- [S500_PD_DS] = {
- .name = "DS",
- .pwr_bit = 9,
- .ack_bit = 13,
- },
- [S500_PD_USB3] = {
- .name = "USB3",
- .pwr_bit = 10,
- .ack_bit = 14,
- },
- [S500_PD_USB2_0] = {
- .name = "USB2_0",
- .pwr_bit = 11,
- .ack_bit = 15,
- },
-};
-
-static const struct owl_sps_info s500_sps_info = {
- .num_domains = ARRAY_SIZE(s500_sps_domains),
- .domains = s500_sps_domains,
-};
-
-static const struct owl_sps_domain_info s700_sps_domains[] = {
- [S700_PD_VDE] = {
- .name = "VDE",
- .pwr_bit = 0,
- },
- [S700_PD_VCE_SI] = {
- .name = "VCE_SI",
- .pwr_bit = 1,
- },
- [S700_PD_USB2_1] = {
- .name = "USB2_1",
- .pwr_bit = 2,
- },
- [S700_PD_HDE] = {
- .name = "HDE",
- .pwr_bit = 7,
- },
- [S700_PD_DMA] = {
- .name = "DMA",
- .pwr_bit = 8,
- },
- [S700_PD_DS] = {
- .name = "DS",
- .pwr_bit = 9,
- },
- [S700_PD_USB3] = {
- .name = "USB3",
- .pwr_bit = 10,
- },
- [S700_PD_USB2_0] = {
- .name = "USB2_0",
- .pwr_bit = 11,
- },
-};
-
-static const struct owl_sps_info s700_sps_info = {
- .num_domains = ARRAY_SIZE(s700_sps_domains),
- .domains = s700_sps_domains,
-};
-
-static const struct owl_sps_domain_info s900_sps_domains[] = {
- [S900_PD_GPU_B] = {
- .name = "GPU_B",
- .pwr_bit = 3,
- },
- [S900_PD_VCE] = {
- .name = "VCE",
- .pwr_bit = 4,
- },
- [S900_PD_SENSOR] = {
- .name = "SENSOR",
- .pwr_bit = 5,
- },
- [S900_PD_VDE] = {
- .name = "VDE",
- .pwr_bit = 6,
- },
- [S900_PD_HDE] = {
- .name = "HDE",
- .pwr_bit = 7,
- },
- [S900_PD_USB3] = {
- .name = "USB3",
- .pwr_bit = 8,
- },
- [S900_PD_DDR0] = {
- .name = "DDR0",
- .pwr_bit = 9,
- },
- [S900_PD_DDR1] = {
- .name = "DDR1",
- .pwr_bit = 10,
- },
- [S900_PD_DE] = {
- .name = "DE",
- .pwr_bit = 13,
- },
- [S900_PD_NAND] = {
- .name = "NAND",
- .pwr_bit = 14,
- },
- [S900_PD_USB2_H0] = {
- .name = "USB2_H0",
- .pwr_bit = 15,
- },
- [S900_PD_USB2_H1] = {
- .name = "USB2_H1",
- .pwr_bit = 16,
- },
-};
-
-static const struct owl_sps_info s900_sps_info = {
- .num_domains = ARRAY_SIZE(s900_sps_domains),
- .domains = s900_sps_domains,
-};
-
-static const struct of_device_id owl_sps_of_matches[] = {
- { .compatible = "actions,s500-sps", .data = &s500_sps_info },
- { .compatible = "actions,s700-sps", .data = &s700_sps_info },
- { .compatible = "actions,s900-sps", .data = &s900_sps_info },
- { }
-};
-
-static struct platform_driver owl_sps_platform_driver = {
- .probe = owl_sps_probe,
- .driver = {
- .name = "owl-sps",
- .of_match_table = owl_sps_of_matches,
- .suppress_bind_attrs = true,
- },
-};
-
-static int __init owl_sps_init(void)
-{
- return platform_driver_register(&owl_sps_platform_driver);
-}
-postcore_initcall(owl_sps_init);
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-05 15:29:35 +0300