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path: root/drivers/soc/fsl/rcpm.c
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Diffstat (limited to 'drivers/soc/fsl/rcpm.c')
-rw-r--r--drivers/soc/fsl/rcpm.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/soc/fsl/rcpm.c b/drivers/soc/fsl/rcpm.c
index 4ace28cab314..90d3f4060b0c 100644
--- a/drivers/soc/fsl/rcpm.c
+++ b/drivers/soc/fsl/rcpm.c
@@ -13,6 +13,7 @@
#include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/kernel.h>
+#include <linux/acpi.h>
#define RCPM_WAKEUP_CELL_MAX_SIZE 7
@@ -78,10 +79,20 @@ static int rcpm_pm_prepare(struct device *dev)
"fsl,rcpm-wakeup", value,
rcpm->wakeup_cells + 1);
- /* Wakeup source should refer to current rcpm device */
- if (ret || (np->phandle != value[0]))
+ if (ret)
continue;
+ /*
+ * For DT mode, would handle devices with "fsl,rcpm-wakeup"
+ * pointing to the current RCPM node.
+ *
+ * For ACPI mode, currently we assume there is only one
+ * RCPM controller existing.
+ */
+ if (is_of_node(dev->fwnode))
+ if (np->phandle != value[0])
+ continue;
+
/* Property "#fsl,rcpm-wakeup-cells" of rcpm node defines the
* number of IPPDEXPCR register cells, and "fsl,rcpm-wakeup"
* of wakeup source IP contains an integer array: <phandle to
@@ -172,10 +183,19 @@ static const struct of_device_id rcpm_of_match[] = {
};
MODULE_DEVICE_TABLE(of, rcpm_of_match);
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id rcpm_acpi_ids[] = {
+ {"NXP0015",},
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, rcpm_acpi_ids);
+#endif
+
static struct platform_driver rcpm_driver = {
.driver = {
.name = "rcpm",
.of_match_table = rcpm_of_match,
+ .acpi_match_table = ACPI_PTR(rcpm_acpi_ids),
.pm = &rcpm_pm_ops,
},
.probe = rcpm_probe,