diff options
Diffstat (limited to 'drivers/soc/imx/gpcv2.c')
| -rw-r--r-- | drivers/soc/imx/gpcv2.c | 72 |
1 files changed, 43 insertions, 29 deletions
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c index 0e3146523166..938103a1df16 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 <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/regmap.h> @@ -53,7 +54,7 @@ #define GPC_PGC_CTRL_PCR BIT(0) -struct imx7_pgc_domain { +struct imx_pgc_domain { struct generic_pm_domain genpd; struct regmap *regmap; struct regulator *regulator; @@ -69,11 +70,16 @@ struct imx7_pgc_domain { struct device *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, + 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; @@ -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 platform_device *pdev) +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 platform_device *pdev) { - struct imx7_pgc_domain *domain = pdev->dev.platform_data; + struct imx_pgc_domain *domain = pdev->dev.platform_data; int ret; domain->dev = &pdev->dev; @@ -233,9 +244,9 @@ static int imx7_pgc_domain_probe(struct platform_device *pdev) return ret; } -static int imx7_pgc_domain_remove(struct platform_device *pdev) +static int imx_pgc_domain_remove(struct platform_device *pdev) { - struct imx7_pgc_domain *domain = pdev->dev.platform_data; + struct imx_pgc_domain *domain = pdev->dev.platform_data; of_genpd_del_provider(domain->dev->of_node); pm_genpd_remove(&domain->genpd); @@ -243,23 +254,24 @@ static int imx7_pgc_domain_remove(struct platform_device *pdev) return 0; } -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 platform_driver imx7_pgc_domain_driver = { +static struct platform_driver imx_pgc_domain_driver = { .driver = { - .name = "imx7-pgc", + .name = "imx-pgc", }, - .probe = imx7_pgc_domain_probe, - .remove = imx7_pgc_domain_remove, - .id_table = imx7_pgc_domain_id, + .probe = imx_pgc_domain_probe, + .remove = imx_pgc_domain_remove, + .id_table = imx_pgc_domain_id, }; -builtin_platform_driver(imx7_pgc_domain_driver) +builtin_platform_driver(imx_pgc_domain_driver) static int imx_gpcv2_probe(struct platform_device *pdev) { + static const struct imx_pgc_domain_data *domain_data; static const struct regmap_range yes_ranges[] = { regmap_reg_range(GPC_LPCR_A_CORE_BSC, GPC_M4_PU_PDN_FLG), @@ -307,9 +319,11 @@ static int imx_gpcv2_probe(struct platform_device *pdev) return ret; } + domain_data = of_device_get_match_data(&pdev->dev); + for_each_child_of_node(pgc_np, np) { struct platform_device *pd_pdev; - struct imx7_pgc_domain *domain; + struct imx_pgc_domain *domain; u32 domain_index; ret = of_property_read_u32(np, "reg", &domain_index); @@ -319,14 +333,14 @@ static int imx_gpcv2_probe(struct platform_device *pdev) 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; } - pd_pdev = platform_device_alloc("imx7-pgc-domain", + pd_pdev = platform_device_alloc("imx-pgc-domain", domain_index); if (!pd_pdev) { dev_err(dev, "Failed to allocate platform device\n"); @@ -335,8 +349,8 @@ static int imx_gpcv2_probe(struct platform_device *pdev) } ret = platform_device_add_data(pd_pdev, - &imx7_pgc_domains[domain_index], - sizeof(imx7_pgc_domains[domain_index])); + &domain_data->domains[domain_index], + sizeof(domain_data->domains[domain_index])); if (ret) { platform_device_put(pd_pdev); of_node_put(np); @@ -345,8 +359,8 @@ static int imx_gpcv2_probe(struct platform_device *pdev) domain = pd_pdev->dev.platform_data; domain->regmap = regmap; - 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_pdev->dev.parent = dev; pd_pdev->dev.of_node = np; @@ -363,7 +377,7 @@ static int imx_gpcv2_probe(struct platform_device *pdev) } static const struct of_device_id imx_gpcv2_dt_ids[] = { - { .compatible = "fsl,imx7d-gpc" }, + { .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data, }, { } }; |
