[U-Boot] [PATCH] zynqmp: firmware: Add Xilinx ZynqMP firmware driver

[Michal Simek]

st 11. 9. 2019 v 9:47 odesílatel Michal Simek <michal.simek at xilinx.com> napsal:
>
> From: Rajan Vaja <rajan.vaja at xilinx.com>
>
> Add simple ZynqMP firmware drive to populate child nodes under
> zynqmp_firmware DT node.
>
> Signed-off-by: Rajan Vaja <rajan.vaja at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at 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,
> +};
> --
> 2.17.1
>

Applied with also record in MAINTAINERS file.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs