soc: dove: add legacy support to PMU driver
Add support for legacy non-DT Dove to the PMU driver, so that we can transition the legacy support over. [gregory.clement@free-electrons.com: removed pm_genpd_poweroff_unused] Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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@ -3,6 +3,7 @@
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#
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obj-$(CONFIG_SOC_BRCMSTB) += brcmstb/
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obj-$(CONFIG_ARCH_DOVE) += dove/
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obj-$(CONFIG_MACH_DOVE) += dove/
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obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
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obj-$(CONFIG_ARCH_QCOM) += qcom/
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@ -305,6 +305,49 @@ static int __init dove_init_pmu_irq(struct pmu_data *pmu, int irq)
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return 0;
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}
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int __init dove_init_pmu_legacy(const struct dove_pmu_initdata *initdata)
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{
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const struct dove_pmu_domain_initdata *domain_initdata;
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struct pmu_data *pmu;
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int ret;
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pmu = kzalloc(sizeof(*pmu), GFP_KERNEL);
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if (!pmu)
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return -ENOMEM;
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spin_lock_init(&pmu->lock);
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pmu->pmc_base = initdata->pmc_base;
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pmu->pmu_base = initdata->pmu_base;
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pmu_reset_init(pmu);
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for (domain_initdata = initdata->domains; domain_initdata->name;
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domain_initdata++) {
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struct pmu_domain *domain;
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domain = kzalloc(sizeof(*domain), GFP_KERNEL);
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if (domain) {
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domain->pmu = pmu;
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domain->pwr_mask = domain_initdata->pwr_mask;
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domain->rst_mask = domain_initdata->rst_mask;
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domain->iso_mask = domain_initdata->iso_mask;
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domain->base.name = domain_initdata->name;
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__pmu_domain_register(domain, NULL);
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}
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}
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ret = dove_init_pmu_irq(pmu, initdata->irq);
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if (ret)
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pr_err("dove_init_pmu_irq() failed: %d\n", ret);
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if (pmu->irq_domain)
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irq_domain_associate_many(pmu->irq_domain,
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initdata->irq_domain_start,
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0, NR_PMU_IRQS);
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return 0;
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}
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/*
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* pmu: power-manager@d0000 {
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* compatible = "marvell,dove-pmu";
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@ -1,6 +1,25 @@
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#ifndef LINUX_SOC_DOVE_PMU_H
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#define LINUX_SOC_DOVE_PMU_H
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#include <linux/types.h>
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struct dove_pmu_domain_initdata {
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u32 pwr_mask;
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u32 rst_mask;
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u32 iso_mask;
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const char *name;
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};
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struct dove_pmu_initdata {
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void __iomem *pmc_base;
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void __iomem *pmu_base;
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int irq;
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int irq_domain_start;
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const struct dove_pmu_domain_initdata *domains;
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};
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int dove_init_pmu_legacy(const struct dove_pmu_initdata *);
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int dove_init_pmu(void);
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#endif
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