drivers/firmware/raspberrypi.c

3  * Defines interfaces for interacting with the Raspberry Pi firmware's
18 #include <soc/bcm2835/raspberrypi-firmware.h>
46  * Sends a request to the firmware through the BCM2835 mailbox driver,
76  * rpi_firmware_property_list - Submit firmware property list
77  * @fw:		Pointer to firmware structure from rpi_firmware_get().
81  * Submits a set of concatenated tags to the VPU firmware through the
106 	/* The firmware will error out without parsing in this case. */
137  * rpi_firmware_property - Submit single firmware property
138  * @fw:		Pointer to firmware structure from rpi_firmware_get().
143  * Submits a single tag to the VPU firmware through the mailbox
196 	dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &date_and_time);
215 	struct device_node *firmware;
218 	 * Earlier DTs don't have a node for the firmware clocks but
220 	 * have a node for the firmware clocks, just bail out here.
222 	firmware = of_get_compatible_child(dev->of_node,
223 					   "raspberrypi,firmware-clocks");
224 	if (firmware) {
225 		of_node_put(firmware);
243 		 * If our firmware doesn't support that operation, or fails, we
282 	 * released their firmware handles. Don't use devm_kzalloc() here.
334 	{ .compatible = "raspberrypi,bcm2835-firmware", },
347  * @firmware_node:    Pointer to the firmware Device Tree node.
351  * Returns NULL is the firmware device is not ready.
380  * @dev:              The firmware device structure
381  * @firmware_node:    Pointer to the firmware Device Tree node.
383  * Returns NULL is the firmware device is not ready.
403 		.name = "raspberrypi-firmware",
413 MODULE_DESCRIPTION("Raspberry Pi firmware driver");