zynqmp: firmware: Add Xilinx ZynqMP firmware driver
Add simple ZynqMP firmware drive to populate child nodes under
zynqmp_firmware DT node.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 95fe0ae..305cbd9 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -113,6 +113,7 @@
config CLK_ZYNQMP
bool "Enable clock driver support for ZynqMP"
depends on ARCH_ZYNQMP
+ select ZYNQMP_FIRMWARE
help
This clock driver adds support for clock realted settings for
ZynqMP platform.
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 873bc8c..b70a206 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -26,3 +26,13 @@
This protocol library is used by client drivers to use the features
provided by the system controller.
+
+config ZYNQMP_FIRMWARE
+ bool "ZynqMP Firmware interface"
+ select FIRMWARE
+ help
+ Firmware interface driver is used by different
+ drivers to communicate with the firmware for
+ various platform management services.
+ Say yes to enable ZynqMP firmware interface driver.
+ If in doubt, say N.
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 6c3e129..a0c250a 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_$(SPL_)ARM_PSCI_FW) += psci.o
obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o
obj-$(CONFIG_SANDBOX) += firmware-sandbox.o
+obj-$(CONFIG_ZYNQMP_FIRMWARE) += firmware-zynqmp.o
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
new file mode 100644
index 0000000..b36eda1
--- /dev/null
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dm.h>
+
+static const struct udevice_id zynqmp_firmware_ids[] = {
+ { .compatible = "xlnx,zynqmp-firmware" },
+ { }
+};
+
+U_BOOT_DRIVER(zynqmp_firmware) = {
+ .id = UCLASS_FIRMWARE,
+ .name = "zynqmp-firmware",
+ .probe = dm_scan_fdt_dev,
+ .of_match = zynqmp_firmware_ids,
+};