2 files changed, 21 insertions, 0 deletions

diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c
index 0acdfd82e751..5c269bf23210 100644
--- a/drivers/soc/samsung/exynos-pmu.c
+++ b/drivers/soc/samsung/exynos-pmu.c
@@ -11,6 +11,7 @@
 
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/mfd/syscon.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 
@@ -92,6 +93,16 @@ static const struct of_device_id exynos_pmu_of_device_ids[] = {
         { /*sentinel*/ },
 };
 
+struct regmap *exynos_get_pmu_regmap(void)
+{
+        struct device_node *np = of_find_matching_node(NULL,
+                                                      exynos_pmu_of_device_ids);
+        if (np)
+                return syscon_node_to_regmap(np);
+        return ERR_PTR(-ENODEV);
+}
+EXPORT_SYMBOL_GPL(exynos_get_pmu_regmap);
+
 static int exynos_pmu_probe(struct platform_device *pdev)
 {
         const struct of_device_id *match;
diff --git a/include/linux/soc/samsung/exynos-pmu.h b/include/linux/soc/samsung/exynos-pmu.h
index e2e9de1acc5b..e57eb4b6cc5a 100644
--- a/include/linux/soc/samsung/exynos-pmu.h
+++ b/include/linux/soc/samsung/exynos-pmu.h
@@ -12,6 +12,8 @@
 #ifndef __LINUX_SOC_EXYNOS_PMU_H
 #define __LINUX_SOC_EXYNOS_PMU_H
 
+struct regmap;
+
 enum sys_powerdown {
         SYS_AFTR,
         SYS_LPA,
@@ -20,5 +22,13 @@ enum sys_powerdown {
 };
 
 extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
+#ifdef CONFIG_EXYNOS_PMU
+extern struct regmap *exynos_get_pmu_regmap(void);
+#else
+static inline struct regmap *exynos_get_pmu_regmap(void)
+{
+        return ERR_PTR(-ENODEV);
+}
+#endif
 
 #endif /* __LINUX_SOC_EXYNOS_PMU_H */