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Mon, 6 Aug 2018 06:44:18 +0000 From: Anson Huang To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH 2/2] soc: imx: gpcv2: make pgc driver more generic for other i.MX platforms Date: Mon, 6 Aug 2018 14:39:49 +0800 Message-Id: <1533537589-7202-2-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1533537589-7202-1-git-send-email-Anson.Huang@nxp.com> References: <1533537589-7202-1-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK0PR03CA0078.apcprd03.prod.outlook.com (2603:1096:203:72::18) To AM3PR04MB1315.eurprd04.prod.outlook.com (2a01:111:e400:586e::13) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4e09aa59-72e7-470e-5d3c-08d5fb680a45 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989117)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020);SRVR:AM3PR04MB1315; 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Signed-off-by: Anson Huang --- drivers/soc/imx/gpcv2.c | 68 +++++++++++++++++++++++++++++-------------------- 1 file changed, 40 insertions(+), 28 deletions(-) diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c index 0e31465..0e33cb5 100644 --- a/drivers/soc/imx/gpcv2.c +++ b/drivers/soc/imx/gpcv2.c @@ -53,7 +53,7 @@ #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 +69,11 @@ struct imx7_pgc_domain { struct device *dev; }; -static int imx7_gpc_pu_pgc_sw_pxx_req(struct generic_pm_domain *genpd, +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 +150,17 @@ static int imx7_gpc_pu_pgc_sw_pxx_req(struct generic_pm_domain *genpd, 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 +198,9 @@ static const struct imx7_pgc_domain imx7_pgc_domains[] = { }, }; -static int imx7_pgc_domain_probe(struct platform_device *pdev) +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 +233,9 @@ 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 +243,24 @@ 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 *imx_pgc_domains; static const struct regmap_range yes_ranges[] = { regmap_reg_range(GPC_LPCR_A_CORE_BSC, GPC_M4_PU_PDN_FLG), @@ -287,6 +288,7 @@ static int imx_gpcv2_probe(struct platform_device *pdev) struct regmap *regmap; struct resource *res; void __iomem *base; + int pgc_max_index; int ret; pgc_np = of_get_child_by_name(dev->of_node, "pgc"); @@ -307,9 +309,19 @@ static int imx_gpcv2_probe(struct platform_device *pdev) return ret; } + if (of_machine_is_compatible("fsl,imx7d")) { + pgc_max_index = ARRAY_SIZE(imx7_pgc_domains); + imx_pgc_domains = imx7_pgc_domains; + } + + if (!imx_pgc_domains) { + dev_err(&pdev->dev, "no device match found\n"); + return -ENODEV; + } + 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 +331,14 @@ static int imx_gpcv2_probe(struct platform_device *pdev) return ret; } - if (domain_index >= ARRAY_SIZE(imx7_pgc_domains)) { + if (domain_index >= pgc_max_index) { 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 +347,8 @@ 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])); + &imx_pgc_domains[domain_index], + sizeof(imx_pgc_domains[domain_index])); if (ret) { platform_device_put(pd_pdev); of_node_put(np); @@ -345,8 +357,8 @@ 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; -- 2.7.4