@@ -10,6 +10,7 @@
*/
#include <linux/io.h>
+#include <linux/mfd/core.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
@@ -21,6 +22,10 @@
#define PMU_TABLE_END (-1U)
+enum pmu_mfd_list {
+ MFD_PD,
+ MFD_MAX,
+};
struct exynos_pmu_conf {
unsigned int offset;
unsigned int val[NUM_SYS_POWERDOWN];
@@ -38,6 +43,7 @@ struct exynos_pmu_data {
struct exynos_pmu_context {
struct device *dev;
const struct exynos_pmu_data *pmu_data;
+ struct mfd_cell cells[MFD_MAX];
};
static void __iomem *pmu_base_addr;
@@ -1220,6 +1226,7 @@ static int exynos_pmu_probe(struct platform_device *pdev)
const struct of_device_id *match;
struct device *dev = &pdev->dev;
struct resource *res;
+ struct mfd_cell *cell;
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1249,6 +1256,17 @@ static int exynos_pmu_probe(struct platform_device *pdev)
if (ret)
dev_warn(dev, "can't register restart handler err=%d\n", ret);
+ /* Initialize and invoke mfd clients */
+ cell = &pmu_context->cells[MFD_PD];
+ cell->name = "exynos-pmu-pd";
+
+ ret = mfd_add_devices(&pdev->dev, pdev->id, pmu_context->cells, MFD_MAX,
+ NULL, 0, NULL);
+ if (ret) {
+ dev_err(&pdev->dev, "fail to register client devices\n");
+ return ret;
+ }
+
dev_dbg(dev, "Exynos PMU Driver probe done\n");
return 0;
}