diff options
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/imx/gpcv2.c | 68 |
1 files changed, 41 insertions, 27 deletions
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c index a48f6d9a73..0b428bfc13 100644 --- a/drivers/soc/imx/gpcv2.c +++ b/drivers/soc/imx/gpcv2.c @@ -14,6 +14,7 @@ * http://www.gnu.org/copyleft/gpl.html */ +#include <of_device.h> #include <common.h> #include <clock.h> #include <abort.h> @@ -59,7 +60,7 @@ #define GPC_PGC_CTRL_PCR BIT(0) -struct imx7_pgc_domain { +struct imx_pgc_domain { struct generic_pm_domain genpd; void __iomem *base; struct regulator *regulator; @@ -75,12 +76,17 @@ struct imx7_pgc_domain { struct device_d *dev; }; -static int imx7_gpc_pu_pgc_sw_pxx_req(struct generic_pm_domain *genpd, +struct imx_pgc_domain_data { + const struct imx_pgc_domain *domains; + size_t domains_num; +}; + +static int imx_gpc_pu_pgc_sw_pxx_req(struct generic_pm_domain *genpd, bool on) { - struct imx7_pgc_domain *domain = container_of(genpd, - struct imx7_pgc_domain, - genpd); + struct imx_pgc_domain *domain = container_of(genpd, + struct imx_pgc_domain, + genpd); unsigned int offset = on ? GPC_PU_PGC_SW_PUP_REQ : GPC_PU_PGC_SW_PDN_REQ; const bool enable_power_control = !on; @@ -150,17 +156,17 @@ unmap: return ret; } -static int imx7_gpc_pu_pgc_sw_pup_req(struct generic_pm_domain *genpd) +static int imx_gpc_pu_pgc_sw_pup_req(struct generic_pm_domain *genpd) { - return imx7_gpc_pu_pgc_sw_pxx_req(genpd, true); + return imx_gpc_pu_pgc_sw_pxx_req(genpd, true); } -static int imx7_gpc_pu_pgc_sw_pdn_req(struct generic_pm_domain *genpd) +static int imx_gpc_pu_pgc_sw_pdn_req(struct generic_pm_domain *genpd) { - return imx7_gpc_pu_pgc_sw_pxx_req(genpd, false); + return imx_gpc_pu_pgc_sw_pxx_req(genpd, false); } -static const struct imx7_pgc_domain imx7_pgc_domains[] = { +static const struct imx_pgc_domain imx7_pgc_domains[] = { [IMX7_POWER_DOMAIN_MIPI_PHY] = { .genpd = { .name = "mipi-phy", @@ -198,9 +204,14 @@ static const struct imx7_pgc_domain imx7_pgc_domains[] = { }, }; -static int imx7_pgc_domain_probe(struct device_d *dev) +static const struct imx_pgc_domain_data imx7_pgc_domain_data = { + .domains = imx7_pgc_domains, + .domains_num = ARRAY_SIZE(imx7_pgc_domains), +}; + +static int imx_pgc_domain_probe(struct device_d *dev) { - struct imx7_pgc_domain *domain = dev->priv; + struct imx_pgc_domain *domain = dev->priv; int ret; domain->dev = dev; @@ -232,24 +243,25 @@ static int imx7_pgc_domain_probe(struct device_d *dev) return ret; } -static const struct platform_device_id imx7_pgc_domain_id[] = { - { "imx7-pgc-domain", }, +static const struct platform_device_id imx_pgc_domain_id[] = { + { "imx-pgc-domain", }, { }, }; -static struct driver_d imx7_pgc_domain_driver = { +static struct driver_d imx_pgc_domain_driver = { .name = "imx-pgc", - .probe = imx7_pgc_domain_probe, - .id_table = imx7_pgc_domain_id, + .probe = imx_pgc_domain_probe, + .id_table = imx_pgc_domain_id, }; -coredevice_platform_driver(imx7_pgc_domain_driver); +coredevice_platform_driver(imx_pgc_domain_driver); static int imx_gpcv2_probe(struct device_d *dev) { + static const struct imx_pgc_domain_data *domain_data; struct device_node *pgc_np, *np; struct resource *res; void __iomem *base; - int ret; + int ret; pgc_np = of_get_child_by_name(dev->device_node, "pgc"); if (!pgc_np) { @@ -263,9 +275,11 @@ static int imx_gpcv2_probe(struct device_d *dev) base = IOMEM(res->start); + domain_data = of_device_get_match_data(dev); + for_each_child_of_node(pgc_np, np) { struct device_d *pd_dev; - struct imx7_pgc_domain *domain; + struct imx_pgc_domain *domain; u32 domain_index; ret = of_property_read_u32(np, "reg", &domain_index); if (ret) { @@ -273,18 +287,18 @@ static int imx_gpcv2_probe(struct device_d *dev) return ret; } - if (domain_index >= ARRAY_SIZE(imx7_pgc_domains)) { + if (domain_index >= domain_data->domains_num) { dev_warn(dev, "Domain index %d is out of bounds\n", domain_index); continue; } - domain = xmemdup(&imx7_pgc_domains[domain_index], - sizeof(imx7_pgc_domains[domain_index])); + domain = xmemdup(&domain_data->domains[domain_index], + sizeof(domain_data->domains[domain_index])); domain->base = base; - domain->genpd.power_on = imx7_gpc_pu_pgc_sw_pup_req; - domain->genpd.power_off = imx7_gpc_pu_pgc_sw_pdn_req; + domain->genpd.power_on = imx_gpc_pu_pgc_sw_pup_req; + domain->genpd.power_off = imx_gpc_pu_pgc_sw_pdn_req; pd_dev = xzalloc(sizeof(*pd_dev)); pd_dev->device_node = np; @@ -292,7 +306,7 @@ static int imx_gpcv2_probe(struct device_d *dev) pd_dev->parent = dev; pd_dev->priv = domain; pd_dev->device_node = np; - dev_set_name(pd_dev, imx7_pgc_domain_id[0].name); + dev_set_name(pd_dev, imx_pgc_domain_id[0].name); ret = platform_device_register(pd_dev); if (ret) @@ -303,7 +317,7 @@ static int imx_gpcv2_probe(struct device_d *dev) } static const struct of_device_id imx_gpcv2_dt_ids[] = { - { .compatible = "fsl,imx7d-gpc" }, + { .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data }, { } }; |