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path: root/drivers/soc/microchip/mpfs-mss-top-sysreg.c
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Diffstat (limited to 'drivers/soc/microchip/mpfs-mss-top-sysreg.c')
-rw-r--r--drivers/soc/microchip/mpfs-mss-top-sysreg.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/soc/microchip/mpfs-mss-top-sysreg.c b/drivers/soc/microchip/mpfs-mss-top-sysreg.c
new file mode 100644
index 000000000000..b2244e44ff0f
--- /dev/null
+++ b/drivers/soc/microchip/mpfs-mss-top-sysreg.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/array_size.h>
+#include <linux/of.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+
+static const struct mfd_cell mpfs_mss_top_sysreg_devs[] = {
+ MFD_CELL_NAME("mpfs-reset"),
+};
+
+static int mpfs_mss_top_sysreg_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ ret = mfd_add_devices(dev, PLATFORM_DEVID_NONE, mpfs_mss_top_sysreg_devs,
+ ARRAY_SIZE(mpfs_mss_top_sysreg_devs) , NULL, 0, NULL);
+ if (ret)
+ return ret;
+
+ return devm_of_platform_populate(dev);
+}
+
+static const struct of_device_id mpfs_mss_top_sysreg_of_match[] = {
+ { .compatible = "microchip,mpfs-mss-top-sysreg", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mpfs_mss_top_sysreg_of_match);
+
+static struct platform_driver mpfs_mss_top_sysreg_driver = {
+ .driver = {
+ .name = "mpfs-mss-top-sysreg",
+ .of_match_table = mpfs_mss_top_sysreg_of_match,
+ },
+ .probe = mpfs_mss_top_sysreg_probe,
+};
+module_platform_driver(mpfs_mss_top_sysreg_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Conor Dooley <conor.dooley@microchip.com>");
+MODULE_DESCRIPTION("PolarFire SoC mss top sysreg driver");