From: Rajan Vaja rajan.vaja@xilinx.com
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 ---
drivers/clk/Kconfig | 1 + drivers/firmware/Kconfig | 10 ++++++++++ drivers/firmware/Makefile | 1 + drivers/firmware/firmware-zynqmp.c | 15 +++++++++++++++ 4 files changed, 27 insertions(+) create mode 100644 drivers/firmware/firmware-zynqmp.c
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 95fe0aea2ce8..305cbd96f165 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -113,6 +113,7 @@ config CLK_ZYNQ 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 873bc8c79679..b70a2063551c 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -26,3 +26,13 @@ config TI_SCI_PROTOCOL
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 6c3e12968527..a0c250a473eb 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_FIRMWARE) += firmware-uclass.o obj-$(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 000000000000..b36eda1b04be --- /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, +};