[PATCH v3 net-next 8/8] mfd: zl3073x: Register DPLL sub-device during init

Ivan Vecera
2025-04-16T16:22:40Z

Register DPLL sub-devices to expose this functionality provided
by ZL3073x chip family. Each sub-device represents one of the provided
DPLL channels.

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
---
drivers/mfd/zl3073x-core.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/mfd/zl3073x-core.c b/drivers/mfd/zl3073x-core.c
index 0bd31591245a2..fda77724a8452 100644
--- a/drivers/mfd/zl3073x-core.c
+++ b/drivers/mfd/zl3073x-core.c
@@ -6,6 +6,7 @@
#include <linux/device.h>
#include <linux/export.h>
#include <linux/math64.h>
+#include <linux/mfd/core.h>
#include <linux/mfd/zl3073x.h>
#include <linux/mfd/zl3073x_regs.h>
#include <linux/module.h>
@@ -774,6 +775,20 @@ int zl3073x_dev_probe(struct zl3073x_dev *zldev,
if (rc)
return rc;

+ /* Add DPLL sub-device cell for each DPLL channel */
+ for (i = 0; i < chip_info->num_channels; i++) {
+ struct mfd_cell dpll_dev = MFD_CELL_BASIC("zl3073x-dpll", NULL,
+ NULL, 0, i);
+
+ rc = devm_mfd_add_devices(zldev->dev, PLATFORM_DEVID_AUTO,
+ &dpll_dev, 1, NULL, 0, NULL);
+ if (rc) {
+ dev_err_probe(zldev->dev, rc,
+ "Failed to add DPLL sub-device\n");
+ return rc;
+ }
+ }
+
/* Register the device as devlink device */
devlink = priv_to_devlink(zldev);
devlink_register(devlink);
--
2.48.1