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FMC DEL 1ns 4cha
Commits
f4ef51b7
Commit
f4ef51b7
authored
Sep 12, 2019
by
Federico Vaga
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sw:drv: add top-level driver for SPEC
Signed-off-by:
Federico Vaga
<
federico.vaga@cern.ch
>
parent
8cf25144
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Kbuild
kernel/Kbuild
+3
-0
fmc-fine-delay-spec-core.c
kernel/fmc-fine-delay-spec-core.c
+120
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kernel/Kbuild
View file @
f4ef51b7
...
@@ -29,8 +29,11 @@ ccflags-y += -D__ZIO_MIN_MINOR_VERSION=$(shell echo $(ZIO_VERSION) | cut -d '-'
...
@@ -29,8 +29,11 @@ ccflags-y += -D__ZIO_MIN_MINOR_VERSION=$(shell echo $(ZIO_VERSION) | cut -d '-'
subdirs-ccflags-y = $(ccflags-y)
subdirs-ccflags-y = $(ccflags-y)
obj-m := fmc-fine-delay.o
obj-m := fmc-fine-delay.o
obj-m += fmc-fine-delay-spec.o
fmc-fine-delay-objs = fd-zio.o fd-irq.o fd-core.o
fmc-fine-delay-objs = fd-zio.o fd-irq.o fd-core.o
fmc-fine-delay-objs += onewire.o spi.o gpio.o
fmc-fine-delay-objs += onewire.o spi.o gpio.o
fmc-fine-delay-objs += acam.o calibrate.o pll.o time.o
fmc-fine-delay-objs += acam.o calibrate.o pll.o time.o
fmc-fine-delay-objs += calibration.o
fmc-fine-delay-objs += calibration.o
fmc-fine-delay-spec-objs := fmc-fine-delay-spec-core.o
\ No newline at end of file
kernel/fmc-fine-delay-spec-core.c
0 → 100644
View file @
f4ef51b7
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2019 CERN (www.cern.ch)
* Author: Federico Vaga <federico.vaga@cern.ch>
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/mfd/core.h>
enum
fd_spec_dev_offsets
{
FD_SPEC_FDT_MEM_START
=
0x0000E000
,
FD_SPEC_FDT_MEM_END
=
0x0000E1FF
,
};
/* MFD devices */
enum
spec_fpga_mfd_devs_enum
{
FD_SPEC_MFD_FDT
=
0
,
};
static
struct
resource
fd_spec_fdt_res
[]
=
{
{
.
name
=
"fmc-fdelay-tdc-mem"
,
.
flags
=
IORESOURCE_MEM
,
.
start
=
FD_SPEC_FDT_MEM_START
,
.
end
=
FD_SPEC_FDT_MEM_END
,
},
{
.
name
=
"fmc-fdelay-tdc-irq"
,
.
flags
=
IORESOURCE_IRQ
|
IORESOURCE_IRQ_HIGHLEVEL
,
.
start
=
0
,
.
end
=
0
,
},
};
static
const
struct
mfd_cell
fd_spec_mfd_devs
[]
=
{
[
FD_SPEC_MFD_FDT
]
=
{
.
name
=
"fmc-fdelay-tdc"
,
.
platform_data
=
NULL
,
.
pdata_size
=
0
,
.
num_resources
=
ARRAY_SIZE
(
fd_spec_fdt_res
),
.
resources
=
fd_spec_fdt_res
,
},
};
static
int
fd_spec_probe
(
struct
platform_device
*
pdev
)
{
struct
resource
*
rmem
;
int
irq
;
rmem
=
platform_get_resource
(
pdev
,
IORESOURCE_MEM
,
0
);
if
(
!
rmem
)
{
dev_err
(
&
pdev
->
dev
,
"Missing memory resource
\n
"
);
return
-
EINVAL
;
}
irq
=
platform_get_irq
(
pdev
,
0
);
if
(
irq
<
0
)
{
dev_err
(
&
pdev
->
dev
,
"Missing IRQ number
\n
"
);
return
-
EINVAL
;
}
/*
* We know that this design uses the HTVIC IRQ controller.
* This IRQ controller has a linear mapping, so it is enough
* to give the first one as input
*/
return
mfd_add_devices
(
&
pdev
->
dev
,
PLATFORM_DEVID_AUTO
,
fd_spec_mfd_devs
,
ARRAY_SIZE
(
fd_spec_mfd_devs
),
rmem
,
irq
,
NULL
);
}
static
int
fd_spec_remove
(
struct
platform_device
*
pdev
)
{
mfd_remove_devices
(
&
pdev
->
dev
);
return
0
;
}
/**
* List of supported platform
*/
enum
fd_spec_version
{
FD_SPEC_VER
=
0
,
};
static
const
struct
platform_device_id
fd_spec_id_table
[]
=
{
{
.
name
=
"fdelay-spec"
,
.
driver_data
=
FD_SPEC_VER
,
},
{
.
name
=
"id:000010DC574ECAFE"
,
.
driver_data
=
FD_SPEC_VER
,
},
{
.
name
=
"id:000010dc574ecafe"
,
.
driver_data
=
FD_SPEC_VER
,
},
{},
};
static
struct
platform_driver
fd_spec_driver
=
{
.
driver
=
{
.
name
=
"fdelay-spec"
,
.
owner
=
THIS_MODULE
,
},
.
id_table
=
fd_spec_id_table
,
.
probe
=
fd_spec_probe
,
.
remove
=
fd_spec_remove
,
};
module_platform_driver
(
fd_spec_driver
);
MODULE_AUTHOR
(
"Federico Vaga <federico.vaga@cern.ch>"
);
MODULE_LICENSE
(
"GPL"
);
MODULE_VERSION
(
VERSION
);
MODULE_DESCRIPTION
(
"Driver for the SPEC Fine-Delay"
);
MODULE_DEVICE_TABLE
(
platform
,
fd_spec_id_table
);
MODULE_SOFTDEP
(
"pre: spec_fmc_carrier fmc-fine-delay"
);
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