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Diffstat (limited to 'drivers/firmware/raspberrypi.c')
| -rw-r--r-- | drivers/firmware/raspberrypi.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index 625c8fdceabf..8f2fb4c562da 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -211,6 +211,20 @@ rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw) static void rpi_register_clk_driver(struct device *dev) { + struct device_node *firmware; + + /* + * Earlier DTs don't have a node for the firmware clocks but + * rely on us creating a platform device by hand. If we do + * have a node for the firmware clocks, just bail out here. + */ + firmware = of_get_compatible_child(dev->of_node, + "raspberrypi,firmware-clocks"); + if (firmware) { + of_node_put(firmware); + return; + } + rpi_clk = platform_device_register_data(dev, "raspberrypi-clk", -1, NULL, 0); } |