- Fix up some (non-urgent) IRQ flags for the PCI buses.
- Add the second UART to the generic ixp4xx.dtsi
- Make use of the new expansion bus driver in all device
trees with e.g. flash memory on the expansion bus.
- Adds the CF card slot to the Gateworks GW2358.
- Add new device trees for:
- Iomega NAS 100D
- D-Link DSM-G600
- Netgear WG302v2
- Arcom Vulcan
- Gateworks Avila GW2348
- Intel IXPD425 and siblings
- Coyote and IXDPG425
- Linksys WRV54G
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Merge tag 'ixp4xx-dts-arm-soc-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/dt
IXP4xx DTS file updates for the v5.15 kernel cycle:
- Fix up some (non-urgent) IRQ flags for the PCI buses.
- Add the second UART to the generic ixp4xx.dtsi
- Make use of the new expansion bus driver in all device
trees with e.g. flash memory on the expansion bus.
- Adds the CF card slot to the Gateworks GW2358.
- Add new device trees for:
- Iomega NAS 100D
- D-Link DSM-G600
- Netgear WG302v2
- Arcom Vulcan
- Gateworks Avila GW2348
- Intel IXPD425 and siblings
- Coyote and IXDPG425
- Linksys WRV54G
* tag 'ixp4xx-dts-arm-soc-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
ARM: dts: ixp4xx: Add a devicetree for Freecom FSG-3
ARM: dts: ixp4xx: Add devicetree for Linksys WRV54G
ARM: dts: ixp4xx: Add device trees for Coyote and IXDPG425
ARM: dts: ixp4xx: Add Intel IXDP425 etc reference designs
ARM: dts: ixp4xx: Add CF to GW2358
ARM: dts: ixp4xx: Add Gateworks Avila GW2348 device tree
ARM: dts: ixp4xx: Add Arcom Vulcan device tree
ARM: dts: ixp4xx: Add devicetree for Netgear WG302v2
ARM: dts: ixp4xx: Use the expansion bus
ARM: dts: ixp4xx: Add second UART
ARM: dts: ixp4xx: Add devicetree for D-Link DSM-G600 rev A
ARM: dts: ixp4xx: Move EPBX100 flash to external bus node
ARM: dts: ixp4xx: Add devicetree for Iomega NAS 100D
ARM: dts: ixp4xx: Fix up bad interrupt flags
Link: https://lore.kernel.org/r/CACRpkdY19AvWT--OcmEKbwFue_EcThVs7uZeHkzORten7xj-RA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Devicetree changes for omaps to configure more devices, and
add support for new SoC variants and devices:
- Add add gpio-line-names for am335x-boneblue
- Add support for dra762 abz package
- Two patches for McASP support on omap4
- Three patches to add support for am335x-sancloud-bbe-lite
- A series of changes to configure PRUSS for am3/4/5
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Merge tag 'omap-for-v5.15/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/dt
Devicetree changes for omaps for v5.15
Devicetree changes for omaps to configure more devices, and
add support for new SoC variants and devices:
- Add add gpio-line-names for am335x-boneblue
- Add support for dra762 abz package
- Two patches for McASP support on omap4
- Three patches to add support for am335x-sancloud-bbe-lite
- A series of changes to configure PRUSS for am3/4/5
* tag 'omap-for-v5.15/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am57xx: Add PRUSS MDIO controller nodes
ARM: dts: am57xx: Add PRU-ICSS nodes
ARM: dts: am4372: Add PRUSS MDIO controller node
ARM: dts: am4372: Add the PRU-ICSS0 DT node
ARM: dts: am4372: Add the PRU-ICSS1 DT node
ARM: dts: am335x-icev2: Enable PRU-ICSS module
ARM: dts: am335x-evmsk: Enable PRU-ICSS module
ARM: dts: am335x-evm: Enable PRU-ICSS module
ARM: dts: am335x-bone-common: Enable PRU-ICSS node
ARM: dts: am33xx-l4: Add PRUSS MDIO controller node
ARM: dts: am33xx-l4: Add PRUSS node
ARM: dts: am335x-sancloud-bbe-lite: New devicetree
ARM: dts: am335x-sancloud-bbe: Extract common code
ARM: dts: am335x-boneblack: Extract HDMI config
ARM: dts: omap4-l4-abe: Add McASP configuration
ARM: dts: omap4-l4-abe: Correct sidle modes for McASP
ARM: dts: Add support for dra762 abz package
ARM: dts: am335x-boneblue: add gpio-line-names
Link: https://lore.kernel.org/r/pull-1628153040-834155@atomide.com-3
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds a devicetree for the Freecom FSG-3, a combined router
and NAS.
Cc: Rod Whitby <rod@whitby.id.au>
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds a device tree for the Linksys WRV54G also known as
Gemtek GTWX5715. Some enhancements have been folded in from the
OpenWrt patches.
This supports everything in the upstream kernel with placeholders
for the out-of-tree multiphy which exist in OpenWrt.
Cc: phj@phj.hu
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds device trees for the ADI Engineering Coyote and the
Intel IXDPG425 reference design. The ethernet set-up on the
IXDPG425 is a bit dubious because I think it uses a DSA
switch chip, but this is a good as it gets right now.
The Coyote boardfile claims an IDE port exist at 0xFFFE1000
but the implementation does not use this. If you have the
board and can/want to test, please contact me.
Cc: Deepak Saxena <dsaxena@plexity.net>
Cc: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Cc: Zoltan HERPAI <wigyori@uid0.hu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The IXDP425, IXCDP1100, KIXRP435 and IXDP465 are similar Intel reference
designs for IXP42x, IXP43x and IXP4[56]x.
This adds device trees for these so the board files can be migrated.
Cc: Deepak Saxena <dsaxena@plexity.net>
Cc: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds a device tree file for the Gateworks Avila GW2348 platform
supporting all the features of the in-kernel boardfiles.
There are more boards in the Avila family, but this is the one that
is supported out-of-the-box by the current boardfiles. Some extra
features have been folded in from the upstream OpenWrt sources,
such as proper ethernet setup for both ethernet ports.
More variants can be added based on this device tree. Some of those
have DSA switches, multiple LEDs, multiple serial ports and similar
and would need some more elaborate work.
Cc: Michael-Luke Jones <mlj28@cam.ac.uk>
Cc: Deepak Saxena <dsaxena@plexity.net>
Cc: Tom Billman <kernel@giantshoulderinc.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds a devicetree for the Netgear WG302v2 router.
The DTS is mostly based on the upstream boardfile but I also
added in the ethernet from OpenWrt to get a more complete
system.
Cc: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Replace the "simple-bus" simplification by the proper bus for
IXP4xx memory or device expansion.
Use chip-select addressing with two address cells on all the
flashes mounted on the IXP4xx devices. This includes all flash
chips.
Change the unit-name from @50000000 to @c4000000 as the DTS
validation screams. The registers for controlling the bus are
at c4000000 but the actual memory windows and ranges are at
50000000. Well it is just syntax, we can live with it.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The IXP4xx has two UARTs and some platforms make use of the
second one so add this to the include DTSI.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds a devicetree for the D-Link DSM-G600 Wireless Network
Storage Enclosure so that we can delete the boardfile. The boardfile
does not even define an ethernet interface as it has an external
ethernet on PCI. This devicetree is for revision A using IXP420
the rev B version uses PowerPC.
Cc: Michael-Luke Jones <mlj28@cam.ac.uk>
Cc: Rod Whitby <rod@whitby.id.au>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Michael Westerhof <mwester@dls.net>
Cc: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This moves the EPBX100 flash under the external bus on CS0
like on the other IXP4xx systems.
Cc: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This creates a more or less fully featured device tree for the
IXP42x-based Iomega NAS 100D.
We can't read out the raw flash contents for ethernet MAC, and
we cannot handle a power-off-button inside the kernel like the
boardfile does. These two things are normally done in userspace.
This conversion is part of moving all of the IXP4xx board files
over to device tree to modernize the IXP4xx kernel.
Cc: Rod Whitby <rod@whitby.id.au>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The PCI hosts had bad IRQ semantics, these are all active low.
Use the proper define and fix all in-tree users.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The STiH418 embedded the same sensor as the STiH410.
This commit adds the corresponding node, relying on the st_thermal
driver.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The rng11 is not available on the STiH418 hence is disabled in the
stih418.dtsi
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The STiH407 family (and further versions STiH410/STiH418) embedded
a serial flash controller allowing fast access to SPI-NOR.
This commit adds the corresponding node, relying on the st-spi-fsm
drivers.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The clkgen-fsyn driver now embed the clock names (assuming the
right compatible is used). Remove all clock-output-names property
and update when necessary the compatible.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The clkgen-fsyn driver now embed the clock names (assuming the
right compatible is used). Remove all clock-output-names property
and update when necessary the compatible.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The clkgen-fsyn driver now embed the clock names (assuming the
right compatible is used). Remove all clock-output-names property
and update when necessary the compatible.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The clkgen-pll driver now embed the clock names (assuming the
right compatible is used). Remove all clock-output-names property
and update when necessary the compatible.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The clkgen-pll driver now embed the clock names (assuming the
right compatible is used). Remove all clock-output-names property
and update when necessary the compatible.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
The clkgen-pll driver now embed the clock names (assuming the
right compatible is used). Remove all clock-output-names property
and update when necessary the compatible.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
With the introduction of new flexgen compatible within the clk-flexgen
driver, remove the clock-output-names entry from the flexgen nodes
and set the new proper compatible corresponding.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
With the introduction of new flexgen compatible within the clk-flexgen
driver, remove the clock-output-names entry from the flexgen nodes
and set the new proper compatible corresponding.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
With the introduction of new flexgen compatible within the clk-flexgen
driver, remove the clock-output-names entry from the flexgen nodes
and set the new proper compatible corresponding.
Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
MT7623/BPI-R2 has idle temperature after bootup from 48 degrees celsius
increase the passive trip temp threshold to not trottle CPU frequency at
this temperature
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20210725163451.217610-1-linux@fw-web.de
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
- New device trees for these mobile phones:
- Samsung Gavini
- Samsung Codina
- Samsung Kyle
- Flag eMMC cards as non-SD non-SDIO to save time
- Link USB PHY to USB controller in the device tree
- Fix up the operating points to the actual clock frequencies
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Merge tag 'ux500-dts-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/dt
Ux500 Device Tree updates for the v5.15 kernel cycle:
- New device trees for these mobile phones:
- Samsung Gavini
- Samsung Codina
- Samsung Kyle
- Flag eMMC cards as non-SD non-SDIO to save time
- Link USB PHY to USB controller in the device tree
- Fix up the operating points to the actual clock frequencies
* tag 'ux500-dts-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
ARM: dts: ux500: Adjust operating points to reality
ARM: dts: ux500: Add a device tree for Kyle
ARM: dts: ux500: Add devicetree for Codina
ARM: dts: ux500: ab8500: Link USB PHY to USB controller node
ARM: dts: ux500: Flag eMMCs as non-SDIO/SD
ARM: dts: ux500: Add device tree for Samsung Gavini
Link: https://lore.kernel.org/r/CACRpkdbjBv5ywZZD8rK07d5sLcHsG8o4iYD-3jHO=HLg6-nKnA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The PRUSSs on AM57xx SoCs contain an MDIO controller that can
be used to control external PHYs associated with the Industrial
Ethernet peripherals within each PRUSS. The MDIO module used
within the PRU-ICSS is an instance of the MDIO Controller used
in TI Davinci SoCs. The same bus frequency of 1 MHz is chosen as
the regular MDIO node.
The nodes are added in the common am57-pruss.dtsi file and enabled
by default, but are disabled in all the existing AM57xx board dts
files. These nodes need pinctrl lines, and so should be enabled
only on boards where they are actually wired and pinned out for
PRUSS Ethernet. Any new board dts file should disable these if
they are not sure.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add the DT nodes for the PRU-ICSS1 and PRU-ICSS2 processor subsystems
that are present on AM57xx family of SoCs. Each PRU-ICSS instance is
represented by a pruss node and other child nodes. The two PRU-ICSSs
are identical to each other. They are not supported on DRA7xx SoCs in
general, so the nodes are added under the respective interconnect target
module nodes in a common am57-pruss.dtsi file. The file is already
included only in the AM57xx related board files.
The PRU-ICSSs on AM57xx are very similar to the PRUSS in AM33xx and AM437x
except for variations in the RAM sizes and the number of interrupts coming
into the MPU INTC. The interrupt events into the PRU-ICSS also requires
programming of the corresponding crossbars properly.
The PRUSS subsystem node contains the entire address space. The various
sub-modules of the PRU-ICSS are represented as individual child nodes
(so platform devices themselves) of the PRUSS subsystem node. These
include the two PRU cores and the interrupt controller. All the Data
RAMs are represented within a child node of its own named 'memories'
without any compatible. The Real Time Media Independent Interface
controller (MII_RT), and the CFG sub-module are represented as syscon
nodes. The PRUSS CFG module has a clock mux for IEP clock, this clk
node is added under the CFG child node 'clocks'. The default source
for this mux clock is the ICSS_IEP_CLK clock.
The DT nodes use all standard properties. The regs property in the PRU
nodes define the addresses for the Instruction RAM, the Debug and Control
sub-modules for that PRU core. The firmware for each PRU core is defined
through a 'firmware-name' property.
The default names for the firmware images for each PRU core are defined
as follows (these can be adjusted either in derivative board dts files or
through sysfs at runtime if required):
PRU-ICSS1 PRU0 Core: am57xx-pru1_0-fw
PRU-ICSS1 PRU1 Core: am57xx-pru1_1-fw
PRU-ICSS2 PRU0 Core: am57xx-pru2_0-fw
PRU-ICSS2 PRU1 Core: am57xx-pru2_1-fw
Note:
1. There are few more sub-modules like the Industrial Ethernet Peripheral
(IEPs), MDIO, UART, eCAP that do not have bindings and so will be added
in the future.
2. The PRUSS INTC on AM57xx SoCs also connect the host interrupts 6 and 7
as possible DMA events, so use the 'ti,irqs-reserved' property in
derivative board dts files _if_ any of them should not be handled by
the host OS.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRU-ICSS1 instance on AM437x SoCs has a MDIO sub-module that
can be used to control external PHYs associated with the Industrial
Ethernet peripherals within the PRUSS. The MDIO module used within
this PRU-ICSS is an instance of the MDIO Controller used in TI
Davinci SoCs. The same bus frequency of 1 MHz is chosen as the
regular MDIO node. Note that there is no MDIO node added to the
smaller PRU-ICSS0 instance as the MDIO pins are not pinned out.
The node is added and enabled in the common am4372.dtsi file by
default, and disabled in all the existing AM437x board dts files.
This node needs pinctrl lines, and so should be enabled only on
boards where they are actually wired and pinned out for PRUSS
Ethernet. Any new board dts file should disable these if they
are not sure.
Signed-off-by: Andrew F. Davis <afd@ti.com>
[s-anna@ti.com: fix reg address, add commit description]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The AM4376+ SoCs have a second smaller PRU-ICSS subsystem (PRUSS0) in
addition to the primary PRUSS1 instance. The PRUSS0 has less DRAM
per PRU, and no Shared DRAM among other minor differences. The IEP
and MII_RT modules even though present within the IP are not pinned
out.
This PRUSS0 instance has a weird SoC integration. It shares the same
L3 OCP interconnect interface with PRUSS1, and also shares its reset
line and clocks. Any external accesses from PRUSS0 requires the PRUSS1's
PRUSS_SYSCFG register to be programmed properly. That said, it is its
own IP instance (a cut-down version), and so it has been added as an
independent node (sibling node to PRUSS1 node) and a child node of the
corresponding PRUSS target module interconnect node. This allows the
PRUSS0 instance to be enabled/disabled independently of the PRUSS1
instance.
The nodes are added under the corresponding interconnect target module
node in the common am4372 dtsi file. The PRU-ICSS instances are not
supported on AM4372 SoC though in the AM437x family, so the interconnect
target module node should be disabled in any derivative board dts file that
uses AM4372 SoCs. The individual PRUSS node can be disabled in the
corresponding board dts file if desired.
The default names for the firmware images for each PRU core are defined
as follows (these can be adjusted either in derivative board dts files or
through sysfs at runtime if required):
PRU-ICSS0 PRU0 Core: am437x-pru0_0-fw
PRU-ICSS0 PRU1 Core: am437x-pru0_1-fw
Note:
1. There are few more sub-modules like the Industrial Ethernet Peripheral
(IEP), eCAP, UART, that do not have bindings and so will be added in the
future. Only UART is pinned out, so others should be added in disabled
state if added.
2. The PRUSS0 INTC on AM437x SoCs routes the host interrupt 5 to the other
PRUSS1, so it is already marked reserved through the 'ti,irqs-reserved'
property.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add the DT node for the PRU-ICSS1 instance on the AM437x family of SoCs.
Each PRU-ICSS instance is represented by a pruss node and other child
nodes. The nodes are added under the interconnect target module node in
the common am4372 dtsi file. The PRU-ICSS instances are supported only
on AM4376+ SoCs though in the AM437x family, so the interconnect target
module node should be disabled in any derivative board dts file that
uses AM4372 SoCs.
The PRU-ICSS1 on AM437x is very similar to the PRUSS in AM33xx, except
for variations in the RAM sizes, bus addresses and the number of
interrupts coming into the MPU INTC (host interrupt 5 is routed to
the other PRUSS instead of MPU).
The PRUSS subsystem node contains the entire address space. The various
sub-modules of the PRU-ICSS are represented as individual child nodes
(so platform devices themselves) of the PRUSS subsystem node. These
include the two PRU cores and the interrupt controller. All the Data
RAMs are represented within a child node of its own named 'memories'
without any compatible. The Real Time Media Independent Interface
controller (MII_RT), and the CFG sub-module are represented as syscon
nodes. The PRUSS CFG module has a clock mux for IEP clock, this clk
node is added under the CFG child node 'clocks'. The default source
for this mux clock is the PRU_ICSS_IEP_GCLK clock.
The DT nodes use all standard properties. The regs property in the PRU
nodes define the addresses for the Instruction RAM, the Debug and Control
sub-modules for that PRU core. The firmware for each PRU core is defined
through a 'firmware-name' property.
The default names for the firmware images for each PRU core are defined
as follows (these can be adjusted either in derivative board dts files
or through sysfs at runtime if required):
PRU-ICSS1 PRU0 Core: am437x-pru1_0-fw
PRU-ICSS1 PRU1 Core: am437x-pru1_1-fw
Note:
1. There are few more sub-modules like the Industrial Ethernet Peripheral
(IEP), MDIO, UART, eCAP that do not have bindings and so will be added
in the future.
2. The PRUSS INTC on AM437x SoCs also connect the host interrupt 0 to ADC0
and ADC1; 6 and 7 as possible DMA events, so use the 'ti,irqs-reserved'
property in derivative board dts files _if_ any of them should not be
handled by the host OS. Host interrupt 5 is already marked reserved as
it is connected to the other PRUSS instance.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRU-ICSS target module node was left in disabled state in the
base am33xx-l4.dtsi file. PRU-ICSS is supported on the AM335x ICEv2
board, so enable this node to support PRUSS on this board. The PRUSS
node and most of its child nodes are already enabled in the base dts
file, and so become effective automatically with the enabling of
this PRU-ICSS target module node.
The corresponding PRU nodes can be disabled later on if there are
no use-cases defined to use a particular PRU core or the whole
PRU-ICSS subsystem itself if both its PRU cores are unused.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRU-ICSS target module node was left in disabled state in the
base am33xx-l4.dtsi file. PRU-ICSS is supported on the AM335x SK
EVM board, so enable this node to support PRUSS on this board. The
PRUSS node and most of its child nodes are already enabled in the
base dts file, and so become effective automatically with the
enabling of this PRU-ICSS target module node.
The corresponding PRU nodes can be disabled later on if there are
no use-cases defined to use a particular PRU core or the whole
PRU-ICSS subsystem itself if both its PRU cores are unused.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRU-ICSS target module node was left in disabled state in the
base am33xx-l4.dtsi file. PRU-ICSS is supported on the AM335x EVM,
so enable this node on the AM335x EVM. The PRUSS node and most of
its child nodes are already enabled in the base dts file, and so
become effective automatically with the enabling of this PRU-ICSS
target module node.
The corresponding PRU nodes can be disabled later on if there are
no use-cases defined to use a particular PRU core or the whole
PRU-ICSS subsystem itself if both its PRU cores are unused.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRU-ICSS target module node was left in disabled state in the base
am33xx-l4.dtsi file. Enable this node on all the AM335x beaglebone
boards as they mostly use a AM3358 or a AM3359 SoC which do contain
the PRU-ICSS IP. The PRUSS node and most of its child nodes are already
enabled in the base dts file, and so become effective automatically
with the enabling of this PRU-ICSS target-module node.
The corresponding PRU nodes can be disabled later on if there are
no use-cases defined to use a particular PRU core or the whole
PRU-ICSS subsystem itself if both its PRU cores are unused.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRUSS on AM335x SoCs has a MDIO sub-module that can be used
to control external PHYs associated with the Industrial Ethernet
peripherals within the PRUSS. The MDIO module used within the
PRU-ICSS is an instance of the MDIO Controller used in TI Davinci
SoCs. The same bus frequency of 1 MHz is chosen as the regular
MDIO node.
The node is added to the common am33xx-l4.dtsi file and is disabled.
This needs to be enabled in the respective board files using the
relevant AM335x SoCs supporting PRUSS and where the ethernet is
pinned out and connected properly.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add the DT nodes for the PRU-ICSS on AM33xx family of SoCs. The AM33xx
SoCs contain a single PRU-ICSS instance and is represented by a pruss
node and other child nodes. PRU-ICSS is supported only on AM3356+ SoCs
though in the AM33xx family, so the nodes are added under the
corresponding disabled interconnect target module node in the common
am33xx-l4 dtsi file. The target module node should be enabled in only
those derivative board files that use a SoC containing PRU-ICSS.
The PRUSS subsystem node contains the entire address space. The various
sub-modules of the PRU-ICSS are represented as individual child nodes
(so platform devices themselves) of the PRUSS subsystem node. These
include the two PRU cores and the interrupt controller. All the Data
RAMs are represented within a child node of its own named 'memories'
without any compatible. The Real Time Media Independent Interface
controller (MII_RT), and the CFG sub-module are represented as syscon
nodes. The PRUSS CFG module has a clock mux for IEP clock, this clk
node is added under the CFG child node 'clocks'. The default source
for this mux clock is the PRU_ICSS_IEP_GCLK clock.
The DT nodes use all standard properties. The regs property in the PRU
nodes define the addresses for the Instruction RAM, the Debug and Control
sub-modules for that PRU core. The firmware for each PRU core is defined
through a 'firmware-name' property.
The default names for the firmware images for each PRU core are defined
as follows (these can be adjusted either in derivative board dts files
or through sysfs at runtime if required):
PRU-ICSS PRU0 Core: am335x-pru1_0-fw
PRU-ICSS PRU1 Core: am335x-pru1_1-fw
Note:
1. There are few more sub-modules like the Industrial Ethernet Peripheral
(IEP), MDIO, UART, eCAP that do not have bindings and so will be added
in the future.
2. The PRUSS INTC on AM335x SoCs also connect the host interrupts 0 to
TSC_ADC; 6 and 7 as possible DMA events, so use the 'ti,irqs-reserved'
property in derivative board dts files _if_ any of them should not be
handled by the host OS.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
