3  * exynos_ppmu.c - Exynos PPMU (Platform Performance Monitoring Unit) support
22 #include "exynos-ppmu.h"
41 	struct exynos_ppmu_data ppmu;  member
46 	{ "ppmu-event0-"#name, PPMU_PMNCNT0 },	\
47 	{ "ppmu-event1-"#name, PPMU_PMNCNT1 },	\
48 	{ "ppmu-event2-"#name, PPMU_PMNCNT2 },	\
49 	{ "ppmu-event3-"#name, PPMU_PMNCNT3 }
126  * The devfreq-event ops structure for PPMU v1.1
144 	/* Disable PPMU */  in exynos_ppmu_disable()
183 	/* Reset cycle counter/performance counter and enable PPMU */  in exynos_ppmu_set_event()
214 	/* Disable PPMU */  in exynos_ppmu_get_event()
278  * The devfreq-event ops structure for PPMU v2.0
361 	/* Disable PPMU */  in exynos_ppmu_v2_disable()
397 	/* Reset cycle counter/performance counter and enable PPMU */  in exynos_ppmu_v2_set_event()
430 	/* Disable PPMU */  in exynos_ppmu_v2_get_event()
493 		.compatible = "samsung,exynos-ppmu",
496 		.compatible = "samsung,exynos-ppmu-v2",
623 	/* Maps the memory mapped IO to control PPMU register */  in exynos_ppmu_parse_dt()
636 	info->ppmu.clk = devm_clk_get(dev, "ppmu");  in exynos_ppmu_parse_dt()
637 	if (IS_ERR(info->ppmu.clk)) {  in exynos_ppmu_parse_dt()
638 		info->ppmu.clk = NULL;  in exynos_ppmu_parse_dt()
639 		dev_warn(dev, "cannot get PPMU clock\n");  in exynos_ppmu_parse_dt()
644 		dev_err(dev, "failed to parse exynos ppmu dt node\n");  in exynos_ppmu_parse_dt()
689 		pr_info("exynos-ppmu: new PPMU device registered %s (%s)\n",  in exynos_ppmu_probe()
693 	ret = clk_prepare_enable(info->ppmu.clk);  in exynos_ppmu_probe()
695 		dev_err(&pdev->dev, "failed to prepare ppmu clock\n");  in exynos_ppmu_probe()
706 	clk_disable_unprepare(info->ppmu.clk);  in exynos_ppmu_remove()
715 		.name	= "exynos-ppmu",
721 MODULE_DESCRIPTION("Exynos PPMU(Platform Performance Monitoring Unit) driver");