New drivers/devices
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
- Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI keystone drivers for 5.11 included here due to dependency for TI
drivers
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Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"The last dmaengine updates for this year :)
This contains couple of new drivers, new device support and updates to
bunch of drivers.
New drivers/devices:
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI drivers"
* tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits)
soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init
dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA
dmaengine: ti: k3-udma: Initial support for K3 PKTDMA
dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling
dmaengine: ti: k3-udma: Initial support for K3 BCDMA
soc: ti: k3-ringacc: add AM64 DMA rings support.
dmaengine: ti: Add support for k3 event routers
dmaengine: ti: k3-psil: Add initial map for AM64
dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 BCDMA
dmaengine: dmatest: Use dmaengine_get_dma_device
dmaengine: doc: client: Update for dmaengine_get_dma_device() usage
dmaengine: Add support for per channel coherency handling
dmaengine: of-dma: Add support for optional router configuration callback
dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings
dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev
dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API
dmaengine: ti: k3-udma: Add support for second resource range from sysfw
dmaengine: ti: k3-udma: Wait for peer teardown completion if supported
...
These are additional updates for the power domain support on OMAP,
moving to an implementation based on device tree information instead of
SoC specific code. This is the latest step in the ongoing process for
moving code out of arch/arm/mach-omap2.
I kept this separate from the other driver changes since it touches
code in multiple areas.
There is one conflict in the dra7.dts file, which adds another node
in a different branch. Watch out for adding the trailing '};'
both times.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-omap-genpd-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC OMAP GenPD updates from Arnd Bergmann:
"These are additional updates for the power domain support on OMAP,
moving to an implementation based on device tree information instead
of SoC specific code. This is the latest step in the ongoing process
for moving code out of arch/arm/mach-omap2.
I kept this separate from the other driver changes since it touches
code in multiple areas"
* tag 'arm-soc-omap-genpd-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: OMAP2+: Fix am4 only build after genpd changes
ARM: dts: Configure power domain for omap5 dss
ARM: dts: omap5: add remaining PRM instances
soc: ti: omap-prm: omap5: add genpd support for remaining PRM instances
ARM: OMAP2+: Drop legacy platform data for dra7 gpmc
ARM: dts: Configure interconnect target module for dra7 iva
ARM: dts: dra7: add remaining PRM instances
soc: ti: omap-prm: dra7: add genpd support for remaining PRM instances
clk: ti: dra7: Drop idlest polling from IVA clkctrl clocks
ARM: OMAP2+: Drop legacy platform data for omap4 gpmc
ARM: OMAP2+: Drop legacy platform data for omap4 iva
ARM: dts: Configure power domain for omap4 dsp
ARM: dts: Configure power domain for omap4 dss
ARM: dts: omap4: add remaining PRM instances
soc: ti: omap-prm: omap4: add genpd support for remaining PRM instances
clk: ti: omap4: Drop idlest polling from IVA clkctrl clocks
ARM: OMAP2+: Drop legacy remaining legacy platform data for am4
ARM: dts: Use simple-pm-bus for genpd for am4 l3
ARM: dts: Move am4 l3 noc to a separate node
ARM: dts: Use simple-pm-bus for genpd for am4 l4_per
...
The DMAs in AM64 have built in rings compared to AM654/J721e/J7200 where a
separate and generic ringacc is used.
The ring SW interface is similar to ringacc with some major architectural
differences, like
They are part of the DMA (BCDMA or PKTDMA).
They are dual mode rings are modeled as pair of Rings objects which has
common configuration and memory buffer, but separate real-time control
register sets for each direction mem2dev (forward) and dev2mem (reverse).
The ringacc driver must be initialized for DMA rings use with
k3_ringacc_dmarings_init() as it is not an independent device as ringacc
is.
AM64 rings must be requested only using k3_ringacc_request_rings_pair(),
and forward ring must always be initialized/configured. After this any
other Ringacc APIs can be used without any callers changes.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201208090440.31792-17-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers: soc: TI SOC changes for 5.11
- ti_sci changes towards DMSS support
- Static warning fixes
- Kconfig update for Keystone ARM64 socs
- AM64X SOC family support
* tag 'drivers_soc_for_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone: (23 commits)
drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe
soc: ti: Fix reference imbalance in knav_dma_probe
soc: ti: pruss: Remove wrong check against *get_match_data return value
soc: ti: Kconfig: Drop ARM64 SoC specific configs
soc: ti: k3-ringacc: Provide documentation for 'k3_ring's 'state'
soc: ti: wkup_m3_ipc: Document 'm3_ipc' parameter throughout
soc: ti: pm33xx: Remove set but unused variable 'ret'
soc: ti: knav_dma: Fix a kernel function doc formatting issue
soc: ti: knav_qmss_queue: Fix a whole host of function documentation issues
soc: ti: knav_qmss_queue: Remove set but unchecked variable 'ret'
soc: ti: omap-prm: Do not check rstst bit on deassert if already deasserted
soc: ti: knav_qmss: fix reference leak in knav_queue_probe
soc: ti: k3-socinfo: Add entry for AM64X SoC family
soc: ti: k3-ringacc: Use correct device for allocation in RING mode
firmware: ti_sci: rm: Remove unused config() from ti_sci_rm_ringacc_ops
soc: ti: k3-ringacc: Use the ti_sci set_cfg callback for ring configuration
firmware: ti_sci: rm: Add new ops for ring configuration
firmware: ti_sci: rm: Remove ring_get_config support
firmware: ti_sci: rm: Add support for extended_ch_type for tx channel
soc: ti: ti_sci_inta_msi: Add support for second range in resource ranges
...
Link: https://lore.kernel.org/r/1606851405-26338-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Driver changes for omaps for genpd for v5.11 merge window
This series of changes allows booting am335x with genpd and
device tree data without the legacy platform data. Also at
least am437x can be booted with gendp with power domain and
dts data. The SoC specific dts changes will be a separate
pull request.
We need the following driver changes merged before the dts
changes can be done:
- platform code needs a few improvments to probe l4_wkup first
for clocks, and to bail out when there is no platform data
- ti-sysc driver needs a non-urgent fix for asserting rstctrl
reset only after disabling the clocks, to probe modules with
no known control registers, and added quirk handling for gpmc
devices
- omap-prm driver needs a non-urgent fix for reset status bit,
support added for pm_clk, and then we add the rest of am335x
power domain data
- clock driver for am335x needs to keep l3_main clock enabled
with genpd for suspend and resume to work
- wkup_m3 remoteproc driver needs support added for reset
control if available instead of the legacy pdata callbacks
- pm33xx driver needs PM runtime support added for genpd
The am335x specific driver changes for the clock, wkup_m3,
pm33xx and remoteproc drivers are quite trivial and have not
caused merge conflicts in Linux next. I did not get acks for
these changes except from Santosh but had already pushed out
the branch already at that point. So I've added the related
driver maintainers to Cc.
* tag 'omap-for-v5.11/genpd-drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
remoteproc/wkup_m3: Use reset control driver if available
soc: ti: pm33xx: Enable basic PM runtime support for genpd
soc: ti: omap-prm: am3: add genpd support for remaining PRM instances
soc: ti: omap-prm: Add pm_clk for genpd
clk: ti: am33xx: Keep am3 l3 main clock always on for genpd
bus: ti-sysc: Implement GPMC debug quirk to drop platform data
bus: ti-sysc: Support modules without control registers
ARM: OMAP2+: Probe PRCM first to probe l4_wkup with simple-pm-bus
ARM: OMAP2+: Check for inited flag
bus: ti-sysc: Assert reset only after disabling clocks
soc: ti: omap-prm: Do not check rstst bit on deassert if already deasserted
bus: ti-sysc: Fix bogus resetdone warning on enable for cpsw
bus: ti-sysc: Fix reset status check for modules with quirks
ARM: OMAP2+: Fix missing select PM_GENERIC_DOMAINS_OF
ARM: OMAP2+: Fix location for select PM_GENERIC_DOMAINS
Link: https://lore.kernel.org/r/pull-1606806458-694517@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The patch fix two reference leak.
1) pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to call put operation will result in
reference leak.
2) The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced.
We fix it by: 1) adding call pm_runtime_put_noidle or
pm_runtime_put_sync in error handling. 2) adding pm_runtime_disable
in error handling, to keep usage counter and disable depth balanced.
Fixes: 88139ed030 ("soc: ti: add Keystone Navigator DMA support")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Since the of_device_get_match_data() doesn't return error code, remove
wrong IS_ERR test. Proper check against NULL pointer is already done
later before usage: if (data && data->...).
Additionally, proceeding with empty device data is valid (e.g. in case
of "ti,am3356-pruss").
Reported-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
With the integration of chip-id detection scheme in kernel[1], there
is no specific need to maintain multitudes of SoC specific config
options, discussed as per [2], we have deprecated the usage in other
places for v5.10-rc1. Drop the configuration for the follow on kernel.
[1] drivers/soc/ti/k3-socinfo.c commit 907a2b7e2f ("soc: ti: add k3 platforms chipid module driver")
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/k3-ringacc.c:163: warning: Function parameter or member 'state' not described in 'k3_ring'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/wkup_m3_ipc.c:227: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_set_mem_type'
drivers/soc/ti/wkup_m3_ipc.c:236: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_set_resume_address'
drivers/soc/ti/wkup_m3_ipc.c:248: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_request_pm_status'
drivers/soc/ti/wkup_m3_ipc.c:268: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_prepare_low_power'
drivers/soc/ti/wkup_m3_ipc.c:322: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_finish_low_power'
drivers/soc/ti/wkup_m3_ipc.c:369: warning: Function parameter or member 'm3_ipc' not described in 'wkup_m3_set_rtc_only'
drivers/soc/ti/wkup_m3_ipc.c:369: warning: Excess function parameter 'wkup_m3_wakeup' description in 'wkup_m3_set_rtc_only'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/pm33xx.c: In function ‘am33xx_do_sram_idle’:
drivers/soc/ti/pm33xx.c:138:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/knav_dma.c:507: warning: Function parameter or member 'channel' not described in 'knav_dma_close_channel'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Sandeep Nair <sandeep_n@ti.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/knav_qmss_queue.c:528: warning: Function parameter or member 'flags' not described in 'knav_queue_open'
drivers/soc/ti/knav_qmss_queue.c:528: warning: Function parameter or member 'id' not described in 'knav_queue_open'
drivers/soc/ti/knav_qmss_queue.c:528: warning: Function parameter or member 'name' not described in 'knav_queue_open'
drivers/soc/ti/knav_qmss_queue.c:551: warning: Excess function parameter 'qh' description in 'knav_queue_close'
drivers/soc/ti/knav_qmss_queue.c:551: warning: Function parameter or member 'qhandle' not described in 'knav_queue_close'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Excess function parameter 'qh' description in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Function parameter or member 'arg' not described in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Function parameter or member 'cmd' not described in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:583: warning: Function parameter or member 'qhandle' not described in 'knav_queue_device_control'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Excess function parameter 'data' description in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Excess function parameter 'qh' description in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'dma' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'flags' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'qhandle' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:635: warning: Function parameter or member 'size' not described in 'knav_queue_push'
drivers/soc/ti/knav_qmss_queue.c:655: warning: Excess function parameter 'qh' description in 'knav_queue_pop'
drivers/soc/ti/knav_qmss_queue.c:655: warning: Function parameter or member 'qhandle' not described in 'knav_queue_pop'
drivers/soc/ti/knav_qmss_queue.c:655: warning: Function parameter or member 'size' not described in 'knav_queue_pop'
drivers/soc/ti/knav_qmss_queue.c:759: warning: Function parameter or member 'name' not described in 'knav_pool_create'
drivers/soc/ti/knav_qmss_queue.c:759: warning: Function parameter or member 'num_desc' not described in 'knav_pool_create'
drivers/soc/ti/knav_qmss_queue.c:759: warning: Function parameter or member 'region_id' not described in 'knav_pool_create'
drivers/soc/ti/knav_qmss_queue.c:862: warning: Excess function parameter 'pool' description in 'knav_pool_destroy'
drivers/soc/ti/knav_qmss_queue.c:862: warning: Function parameter or member 'ph' not described in 'knav_pool_destroy'
drivers/soc/ti/knav_qmss_queue.c:892: warning: Excess function parameter 'pool' description in 'knav_pool_desc_get'
drivers/soc/ti/knav_qmss_queue.c:892: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_get'
drivers/soc/ti/knav_qmss_queue.c:911: warning: Excess function parameter 'pool' description in 'knav_pool_desc_put'
drivers/soc/ti/knav_qmss_queue.c:911: warning: Function parameter or member 'desc' not described in 'knav_pool_desc_put'
drivers/soc/ti/knav_qmss_queue.c:911: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_put'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Excess function parameter 'pool' description in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'desc' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'dma' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'dma_sz' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:931: warning: Function parameter or member 'size' not described in 'knav_pool_desc_map'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Excess function parameter 'pool' description in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Function parameter or member 'dma' not described in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Function parameter or member 'dma_sz' not described in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:956: warning: Function parameter or member 'ph' not described in 'knav_pool_desc_unmap'
drivers/soc/ti/knav_qmss_queue.c:975: warning: Excess function parameter 'pool' description in 'knav_pool_count'
drivers/soc/ti/knav_qmss_queue.c:975: warning: Function parameter or member 'ph' not described in 'knav_pool_count'
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Sandeep Nair <sandeep_n@ti.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/soc/ti/knav_qmss_queue.c: In function ‘knav_setup_queue_pools’:
drivers/soc/ti/knav_qmss_queue.c:1310:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Sandeep Nair <sandeep_n@ti.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
If a rstctrl reset bit is already deasserted, we can just bail out early
not wait for rstst to clear. Otherwise we can have deassert fail for
already deasserted resets.
Fixes: c5117a78dd ("soc: ti: omap-prm: poll for reset complete during de-assert")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in knav_queue_probe, so we should fix it.
Fixes: 41f93af900 ("soc: ti: add Keystone Navigator QMSS driver")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add genpd support for mpu, rtc, tamper, cefuse, per and wkup instances.
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
To prepare for moving to use genpd, let's enable basic PM
runtime support.
Cc: Dave Gerlach <d-gerlach@ti.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add genpd support for per, wkup, mpu, rtc and cefuse instances.
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In order to probe l3 and l4 interconnects with simple-pm-bus, we want
genpd to manage the clocks for the interconnects. For interconnect target
modules, we already have ti-sysc manage the clocks so let's skipe managing
clocks for ti-sysc modules.
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
If a rstctrl reset bit is already deasserted, we can just bail out early
not wait for rstst to clear. Otherwise we can have deassert fail for
already deasserted resets.
Fixes: c5117a78dd ("soc: ti: omap-prm: poll for reset complete during de-assert")
Signed-off-by: Tony Lindgren <tony@atomide.com>
In RING mode the ringacc does not access the ring memory. In this access
mode the ringacc coherency does not have meaning.
If the ring is configured in RING mode, then the ringacc itself will not
access to the ring memory. Only the requester (user) of the ring is going
to read/write to the memory.
Extend the ring configuration parameters with a device pointer to be used
for DMA API when the ring is configured in RING mode.
Extending the ring configuration struct will allow per ring selection of
device to be used for allocation, thus allowing per ring coherency.
To avoid regression, fall back to use the ringacc dev in case the alloc_dev
is not provided.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Switch to the new set_cfg to configure the ring.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Allocate MSI entries for both first and second range if they are valid
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
K2G devices still only use single parameter for power-domains property,
so check for this properly in the driver. Without this, every peripheral
fails to probe resulting in boot failure.
Link: https://lore.kernel.org/r/20201029093337.21170-1-t-kristo@ti.com
Fixes: efa5c01cd7 ("soc: ti: ti_sci_pm_domains: switch to use multiple genpds instead of one")
Reported-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Various driver updates for platforms. A bulk of this is smaller fixes or
cleanups, but some of the new material this time around is:
- Support for Nvidia Tegra234 SoC
- Ring accelerator support for TI AM65x
- PRUSS driver for TI platforms
- Renesas support for R-Car V3U SoC
- Reset support for Cortex-M4 processor on i.MX8MQ
There are also new socinfo entries for a handful of different SoCs
and platforms.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms. A bulk of this is smaller fixes
or cleanups, but some of the new material this time around is:
- Support for Nvidia Tegra234 SoC
- Ring accelerator support for TI AM65x
- PRUSS driver for TI platforms
- Renesas support for R-Car V3U SoC
- Reset support for Cortex-M4 processor on i.MX8MQ
There are also new socinfo entries for a handful of different SoCs and
platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (131 commits)
drm/mediatek: reduce clear event
soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api
soc: mediatek: cmdq: add jump function
soc: mediatek: cmdq: add write_s_mask value function
soc: mediatek: cmdq: add write_s value function
soc: mediatek: cmdq: add read_s function
soc: mediatek: cmdq: add write_s_mask function
soc: mediatek: cmdq: add write_s function
soc: mediatek: cmdq: add address shift in jump
soc: mediatek: mtk-infracfg: Fix kerneldoc
soc: amlogic: pm-domains: use always-on flag
reset: sti: reset-syscfg: fix struct description warnings
reset: imx7: add the cm4 reset for i.MX8MQ
dt-bindings: reset: imx8mq: add m4 reset
reset: Fix and extend kerneldoc
reset: reset-zynqmp: Added support for Versal platform
dt-bindings: reset: Updated binding for Versal reset driver
reset: imx7: Support module build
soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk
soc: fsl: qman: convert to use be32_add_cpu()
...
SoC changes, a substantial part of this is cleanup of some of the older
platforms that used to have a bunch of board files. In particular:
- Removal of non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP platforms,
moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
THere are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones re:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC changes, a substantial part of this is cleanup of some of the
older platforms that used to have a bunch of board files.
In particular:
- Remove non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP
platforms, moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
There are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones are:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits)
ARM: mstar: Select MStar intc
ARM: stm32: Replace HTTP links with HTTPS ones
ARM: debug: add UART early console support for SD5203
ARM: hisi: add support for SD5203 SoC
ARM: omap3: enable off mode automatically
clk: imx: imx35: Remove mx35_clocks_init()
clk: imx: imx31: Remove mx31_clocks_init()
clk: imx: imx27: Remove mx27_clocks_init()
ARM: imx: Remove unused definitions
ARM: imx35: Retrieve the IIM base address from devicetree
ARM: imx3: Retrieve the AVIC base address from devicetree
ARM: imx3: Retrieve the CCM base address from devicetree
ARM: imx31: Retrieve the IIM base address from devicetree
ARM: imx27: Retrieve the CCM base address from devicetree
ARM: imx27: Retrieve the SYSCTRL base address from devicetree
ARM: s3c64xx: bring back notes from removed debug-macro.S
ARM: s3c24xx: fix Wunused-variable warning on !MMU
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
MAINTAINERS: mark linux-samsung-soc list non-moderated
ARM: imx: Remove remnant board file support pieces
...
The avs drivers are all SoC specific drivers that doesn't share any code.
Instead they are located in a directory, mostly to keep similar
functionality together. From a maintenance point of view, it makes better
sense to collect SoC specific drivers like these, into the SoC specific
directories.
Therefore, let's move the smartreflex driver for OMAP to the ti directory.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The IEPCLK_MUX is present on all SoCs whereas the CORECLK_MUX is present
only on AM65x SoCs and J721E. Add support for both these CLK muxes.
This allows the clock rates and clock parents for these to be controlled
through DT leveraging the clk infrastructure for configuring the default
parents and rates.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Current implementation of the genpd support over TI SCI uses a single
genpd across the whole SoC, and attaches multiple devices to this. This
solution has its drawbacks, like it is currently impossible to attach
more than one power domain to a device; the core genpd implementation
requires one genpd per power-domain entry in DT for a single device.
Also, some devices like USB apparently require their own genpd during
probe time, the current shared approach in use does not work at all.
Switch the implementation over to use a single genpd per power domain
entry in DT. The domains are registered with the onecell approach, but
we also add our own xlate service due to recent introduction of the
extended flag for TI SCI PM domains; genpd core xlate service requires
a single cell per powerdomain, but we are using two cells.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The K3 J721E family of SoCs have a revised version of the PRU-ICSS (ICSSG)
processor subsystem present on K3 AM65x SoCs. These SoCs contain typically
two ICSSG instances named ICSSG0 and ICSSG1. The two ICSSGs are identical
to each other for the most part with minor SoC integration differences and
capabilities. The ICSSG1 supports slightly enhanced features like SGMII
mode Ethernet, while the ICSSG0 instance is limited to MII mode only.
There is no change in the Interrupt Controller w.r.t AM65x. All other
integration aspects are very similar to the ICSSGs on AM65x SoCs.
The existing pruss platform driver has been updated to support these new
ICSSG instances through new J721E specific compatibles.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The K3 AM65x family of SoCs have the next generation of the PRU-ICSS
processor subsystem capable of supporting Gigabit Ethernet, and is
commonly referred to as ICSSG. These SoCs contain typically three
ICSSG instances named ICSSG0, ICSSG1 and ICSSG2. The three ICSSGs are
identical to each other for the most part with minor SoC integration
differences and capabilities. The ICSSG2 supports slightly enhanced
features like SGMII mode Ethernet, while the ICSS0 and ICSSG1 instances
are limited to MII mode only.
The ICSSGs on K3 AM65x SoCs are in general super-sets of the PRUSS on the
AM57xx/66AK2G SoCs. They include two additional auxiliary PRU cores called
RTUs and few other additional sub-modules. The interrupt integration is
also different on the K3 AM65x SoCs and are propagated through various
SoC-level Interrupt Router and Interrupt Aggregator blocks. Other IP level
differences include different constant tables, differences in system event
interrupt input sources etc. They also do not have a programmable module
reset line like those present on AM33xx/AM43xx SoCs. The modules are reset
just like any other IP with the SoC's global cold/warm resets.
The existing pruss platform driver has been updated to support these new
ICSSG instances through new AM65x specific compatibles. A build dependency
with ARCH_K3 is added to enable building all the existing PRUSS platform
drivers for this ARMv8 platform.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The 66AK2G SoC supports two PRU-ICSS instances, named PRUSS0 and PRUSS1,
each of which has two PRU processor cores. The two PRU-ICSS instances
are identical to each other with few minor SoC integration differences,
and are very similar to the PRU-ICSS1 of AM57xx/AM43xx. The Shared Data
RAM size is larger and the number of interrupts coming into MPU INTC
is like the instances on AM437x. There are also few other differences
attributing to integration in Keystone architecture (like no SYSCFG
register or PRCM handshake protocols). Other IP level differences
include different constant table, differences in system event interrupt
input sources etc. They also do not have a programmable module reset
line like those present on AM33xx/AM43xx SoCs. The modules are reset
just like any other IP with the SoC's global cold/warm resets.
The existing PRUSS platform driver has been enhanced to support these
66AK2G PRU-ICSS instances through new 66AK2G specific compatible for
properly probing and booting all the different PRU cores in each
PRU-ICSS processor subsystem. A build dependency with ARCH_KEYSTONE
is added to enable the driver to be built in K2G-only configuration.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The AM57xx family of SoCs supports two PRU-ICSS instances, each of
which has two PRU processor cores. The two PRU-ICSS instances are
identical to each other, and are very similar to the PRU-ICSS1 of
AM33xx/AM43xx except for a few minor differences like the RAM sizes
and the number of interrupts coming into the MPU INTC. They do
not have a programmable module reset line unlike those present on
AM33xx/AM43xx SoCs. The modules are reset just like any other IP
with the SoC's global cold/warm resets. Each PRU-ICSS's INTC is also
preceded by a Crossbar that enables multiple external events to be
routed to a specific number of input interrupt events. Any interrupt
event directed towards PRUSS needs this crossbar to be setup properly
on the firmware side.
The existing PRUSS platform driver has been enhanced to support
these AM57xx PRU-ICSS instances through new AM57xx specific
compatible for properly probing and booting all the different PRU
cores in each PRU-ICSS processor subsystem. A build dependency with
SOC_DRA7XX is also added to enable the driver to be built in
AM57xx-only configuration (there is no separate Kconfig option
for AM57xx vs DRA7xx).
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The AM437x SoCs have two different PRU-ICSS subsystems: PRU-ICSS1
and a smaller PRU-ICSS0. Enhance the PRUSS platform driver to support
both the PRU-ICSS sub-systems on these SoCs.
The PRU-ICSS1 on AM437x is very similar to the PRU-ICSS on AM33xx
except for few minor differences - increased Instruction RAM, increased
Shared Data RAM2, and 1 less interrupt (PRUSS host interrupt 7 which is
redirected to the other PRUSS) towards the MPU INTC. The PRU-ICSS0 is
a cut-down version of the IP, with less DRAM per PRU, no Shared DRAM etc.
It also does not have direct access to L3 bus regions, there is a single
interface to L3 for both PRUSS0 and PRUSS1, and it would have to go
through the PRUSS1's interface. The PRUSS_SYSCFG register is reserved on
PRUSS0, so any external access requires the programming the corresponding
PRUSS_SYSCFG register in PRUSS1. It does have its own dedicated I/O lines
though. Note that this instance does not support any PRU Ethernet related
use cases.
The adaptation uses SoC-specific compatibles in the driver and uses
a newly introduced pruss_match_private_data structure and the
pruss_get_private_data() function to retrieve a PRUSS instance specific
data using a device-name based lookup logic. The reset and the L3 external
access are managed by the parent interconnect ti-sysc bus driver so that
PRUSS1 and PRUSS0 can be independently supported.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The Programmable Real-Time Unit - Industrial Communication
Subsystem (PRU-ICSS) is present on various TI SoCs such as
AM335x or AM437x or the Keystone 66AK2G. Each SoC can have
one or more PRUSS instances that may or may not be identical.
For example, AM335x SoCs have a single PRUSS, while AM437x has
two PRUSS instances PRUSS1 and PRUSS0, with the PRUSS0 being
a cut-down version of the PRUSS1.
The PRUSS consists of dual 32-bit RISC cores called the
Programmable Real-Time Units (PRUs), some shared, data and
instruction memories, some internal peripheral modules, and
an interrupt controller. The programmable nature of the PRUs
provide flexibility to implement custom peripheral interfaces,
fast real-time responses, or specialized data handling.
The PRU-ICSS functionality is achieved through three different
platform drivers addressing a specific portion of the PRUSS.
Some sub-modules of the PRU-ICSS IP reuse some of the existing
drivers (like davinci mdio driver or the generic syscon driver).
This design provides flexibility in representing the different
modules of PRUSS accordingly, and at the same time allowing the
PRUSS driver to add some instance specific configuration within
an SoC.
The PRUSS platform driver deals with the overall PRUSS and is
used for managing the subsystem level resources like various
memories and the CFG module. It is responsible for the creation
and deletion of the platform devices for the child PRU devices
and other child devices (like Interrupt Controller, MDIO node
and some syscon nodes) so that they can be managed by specific
platform drivers. The PRUSS interrupt controller is managed by
an irqchip driver, while the individual PRU RISC cores are
managed by a PRU remoteproc driver.
The driver currently supports the AM335x SoC, and support for
other TI SoCs will be added in subsequent patches.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The AM65x SR2.0 Ringacc has fixed errata i2023 "RINGACC, UDMA: RINGACC and
UDMA Ring State Interoperability Issue after Channel Teardown". This errata
also fixed for J271E SoC.
Use SOC bus data for K3 SoC identification and enable i2023 errate w/a only
for the AM65x SR1.0. This also makes obsolete "ti,dma-ring-reset-quirk" DT
property.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
We must re-enable the RTC module clock enabled in RTC+DDR suspend, and
pm33xx has been using platform data callbacks for that. Looks like for
retention suspend the RTC module clock must not be re-enabled.
To remove the legacy platform data callbacks, and eventually be able to
drop the RTC legacy platform data, let's manage the RTC module clock
and register range directly in pm33xx.
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Let's add omap4 and 5 l4_abe interconnect instance for the power
domain.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Let's configure only sgx power domain for am3 and am4 to start with.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The PRM controller has currently only support for resets while the power
domains are still handled in the platform code.
Let's add basic power domain support to enable and disable a PRM
controlled power domain if configured in the devicetree. This can be
used for various hardware accelerators, and interconnect instances.
Further support can be added later on as needed for runtime configuration
based on domain-idle-states.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
