From 14723ed544f42c4ea8913eb151c1e9c52dd70c88 Mon Sep 17 00:00:00 2001 From: Rajan Vaja Date: Fri, 15 Feb 2019 04:45:32 -0800 Subject: [PATCH] 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 Signed-off-by: Michal Simek --- MAINTAINERS | 1 + drivers/clk/Kconfig | 1 + drivers/firmware/Kconfig | 10 ++++++++++ drivers/firmware/Makefile | 1 + drivers/firmware/firmware-zynqmp.c | 15 +++++++++++++++ 5 files changed, 28 insertions(+) create mode 100644 drivers/firmware/firmware-zynqmp.c diff --git a/MAINTAINERS b/MAINTAINERS index 3302f9f9d1..59c766f206 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -443,6 +443,7 @@ S: Maintained T: git https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze.git F: arch/arm/mach-zynqmp/ F: drivers/clk/clk_zynqmp.c +F: driver/firmware/firmware-zynqmp.c F: drivers/fpga/zynqpl.c F: drivers/gpio/zynq_gpio.c F: drivers/i2c/i2c-cdns.c diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 95fe0aea2c..305cbd96f1 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 873bc8c796..b70a206355 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 6c3e129685..a0c250a473 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 0000000000..b36eda1b04 --- /dev/null +++ b/drivers/firmware/firmware-zynqmp.c @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +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, +}; -- 2.25.1