As usual, this is a random assortment of changes:
- ARM PMU is enabled on the A10
- The first usage of the PIO pinbank regulator supplies added,
for the Bananapi
- Broadcom-based Bluetooth enabled on the Bananapi M2 Magic and M2
Ultra, using the serdev bindings
- Video codec added for the A10
- Display pipeline for the A23 added and enabled for the generic Q8
tablets
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Merge tag 'sunxi-dt-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/dt
Allwinner DT changes for 5.1
As usual, this is a random assortment of changes:
- ARM PMU is enabled on the A10
- The first usage of the PIO pinbank regulator supplies added,
for the Bananapi
- Broadcom-based Bluetooth enabled on the Bananapi M2 Magic and M2
Ultra, using the serdev bindings
- Video codec added for the A10
- Display pipeline for the A23 added and enabled for the generic Q8
tablets
* tag 'sunxi-dt-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i-a23-q8: Set compatible string for LCD panel
ARM: dts: sun8i-q8-common: Enable display pipeline with RGB LCD panel
ARM: dts: sun8i-a23: Add compatible strings to display pipeline device nodes
ARM: dts: sun8i-a33: Move display pipeline nodes to a23/a33 common dtsi
ARM: dts: sun8i-a23-a33: Move NAND controller device node to sort by address
ARM: dts: sun4i-a10: Add Video Engine and reserved memory nodes
ARM: dts: sun4i: Add support for the C1 SRAM region with the SRAM controller
ARM: dts: sunxi: bananapi-m2-plus: Add Bluetooth device node
ARM: dts: sun8i: r40: bananapi-m2-ultra: Add Bluetooth device node
ARM: dts: sun8i: r40: bananapi-m2-ultra: Fix WiFi regulator definitions
ARM: dts: sun8i: r40: Add pinmux setting for CLK_OUT_A
ARM: dts: sun8i: r40: Add pinmux settings for UART3 on PG pingroup
ARM: dts: sun7i: bananapi: Add GPIO banks regulators
ARM: dts: sun4i-a10: Add PMU node
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
tree nodes required by the DRM driver.
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Merge tag 'integrator-dts-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into arm/dt
This updates the Integrator DTS files with the device
tree nodes required by the DRM driver.
* tag 'integrator-dts-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: dts: Augment panel setting for Integrator/CP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
nodes to the Nomadik NHK8815.
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Merge tag 'nomadik-dts-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/dt
This add the new display driver and DRM driver device
nodes to the Nomadik NHK8815.
* tag 'nomadik-dts-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
ARM: dts: nomadik: Augment NHK15 panel setting
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Remove the usage of skeleton.dtsi in the remaining dts files. It was
deprecated since commit 9c0da3cc61 ("ARM: dts: explicitly mark
skeleton.dtsi as deprecated"). This will make adding a unit-address to
memory nodes easier.
The main tricky part to removing skeleton.dtsi is we could end up with
no /memory node at all when a bootloader depends on one being present. I
hacked up dtc to check for this condition.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Antoine Tenart <antoine.tenart@bootlin.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Highlights:
----------
-MPU STM32MP157 platform update:
-Declare DMAs for timers
-Add sleep support for CAN
-Split CAN RAM mapping between the 2 FDCAN instances
-Add support of thermal sensor (DTS)
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Merge tag 'stm32-dt-for-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into arm/dt
STM32 DT updates for v4.21, round 1
Highlights:
----------
-MPU STM32MP157 platform update:
-Declare DMAs for timers
-Add sleep support for CAN
-Split CAN RAM mapping between the 2 FDCAN instances
-Add support of thermal sensor (DTS)
* tag 'stm32-dt-for-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
ARM: dts: stm32: add thermal sensor support on STM32MP157c
ARM: dts: stm32: add can1 sleep pins muxing on stm32mp157c-ev1 board
ARM: dts: stm32: add can1 sleep pins muxing
ARM: dts: stm32: change CAN RAM mapping on stm32mp157c
ARM: dts: stm32: don't use timers dmas on stm32mp157c-ev1
ARM: dts: stm32: don't use timers dmas on stm32mp157c-ed1
ARM: dts: stm32: Add dmas to timer on stm32mp157c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Enable the uart1 node such that the clock will be enabled.
Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Enable the lpc_ctrl node in the quanta-q71l dts such that the LPC_CLK is
enabled.
Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Added uart2 and uart3 in Facebook Tiogapass for routing serial input
from Host to BMC for SoL via LPC.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Added lpc control for enabling lpc clock and lpc snoop devices to
Facebook Tiogapass device tree.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
The Q8 tablets follow the A23/A33 tablet reference design, and normally
use a "generic" 800x480 LCD panel. The actual panel may vary between
production runs, and there are no visible markings denoting its model.
This patch uses a panel that has the same dimensions and timings that
are close to what was provided in the vendor fex files.
Since there are also A33 Q8 tablets with 1024x600 panels, this patch
only sets the compatible string for A23 Q8 tablets.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
The Q8 design for A23/A33 tablets have an 18-bit RGB LCD panel connected
to the LCD interface on the SoC, the DC1SW output on the PMIC providing
power for the LCD, and PH7 toggling the reset pin for the panel.
This patch adds a device node for the panel, describing the above, and
enables the display pipeline.
The actual model or compatible string for the panel should be added in
the tablet device tree file.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Now that the compatible strings for the display pipeline on the A23 have
been added to the bindings, add the corresponding compatibles to the
device nodes already in the A23/A33 shared dtsi.
While the A23 has the TCON ch1 clock defined in the CCU, and the channel
1 registers are available, it does not have any means to use channel 1
due to a lack of downstream encoders, and the enable bit for channel 1 is
hard-wired to 0 (off). Hence the ch1 clock is left out.
As the MIPI DSI output device is not officially documented, and there
are no reference devices to test it, it is not covered by this patch.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
The display pipeline has the same structure, resources and connections
on both the A23 and A33. The differences include:
- compatible strings
- extra clock, reset control, and IO region for SAT in the backend
only found on the A33
- missing ch1 clock for the TCON
However, while the A23 has the TCON ch1 clock defined in the CCU, and
the channel 1 registers are available, it does not have any means to
use channel 1 due to a lack of downstream encoders, and the enable bit
for channel 1 is hard-wired to 0 (off).
As the MIPI DSI output device is not officially documented, and there
are no A23 reference devices to test it, it is not covered by this
patch.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
The NAND controller device node was inserted into the wrong position,
probably due to a rebase or merge, as the file's structure does not
provide enough context for git to accurately match the previous device
node block.
Fixes: d7b843df13 ("ARM: dts: sun8i: add NAND controller node for A23/A33")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Xen-swiotlb hooks into the arm/arm64 arch code through a copy of the DMA
DMA mapping operations stored in the struct device arch data.
Switching arm64 to use the direct calls for the merged DMA direct /
swiotlb code broke this scheme. Replace the indirect calls with
direct-calls in xen-swiotlb as well to fix this problem.
Fixes: 356da6d0cd ("dma-mapping: bypass indirect calls for dma-direct")
Reported-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
The Inspur on5263m5 is an Intel Xeon OCP server that uses the ASPEED
AST2500 BMC.
Signed-off-by: John Wang <wangzqbj@inspur.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
[joel: Rework commit message]
Signed-off-by: Joel Stanley <joel@jms.id.au>
This adds nodes for the Video Engine and the associated reserved memory
for the A10. Up to 96 MiB of memory are dedicated to the CMA pool.
The VPU can only map the first 256 MiB of DRAM, so the reserved memory
pool has to be located in that area. Following Allwinner's decision in
downstream software, the last 96 MiB of the first 256 MiB of RAM are
reserved for this purpose.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This adds support for the C1 SRAM region (to be used with the SRAM
controller driver) for the A10 platform. The region is shared
between the Video Engine and the CPU.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Added ADC and other sensor devices present in the Facebook Tiogapass
machine.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This adds the description of the four Keyboard Controller Style (KCS)
IPMI communication channels present in the ASPEED BMC. They are disabled
by default.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Allows the GPIO controller to be used as an interrupt parent.
of_irq_find_parent() skips interrupt controller nodes that do
not have the #interrupt-cells property.
Signed-off-by: Mark Walton <mark.walton@serialtek.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Add Delta Electronics power supply DPS-650-AB.
Signed-off-by: Xiaoting Liu <xiaoting.liu@hxt-semitech.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This adds missing deassert functionality to the ARC HSDK reset driver,
fixes some indentation and grammar issues in the kernel docs, adds a
helper to count the number of resets on a device for the non-DT case
as well, adds an early reset driver for SoCFPGA and simple reset driver
support for Stratix10, and generalizes the uniphier USB3 glue layer
reset to also cover AHCI.
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Merge tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux into fixes
Late reset controller changes for v5.0
This adds missing deassert functionality to the ARC HSDK reset driver,
fixes some indentation and grammar issues in the kernel docs, adds a
helper to count the number of resets on a device for the non-DT case
as well, adds an early reset driver for SoCFPGA and simple reset driver
support for Stratix10, and generalizes the uniphier USB3 glue layer
reset to also cover AHCI.
* tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux:
reset: uniphier-glue: Add AHCI reset control support in glue layer
dt-bindings: reset: uniphier: Add AHCI core reset description
reset: uniphier-usb3: Rename to reset-uniphier-glue
dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
ARM: socfpga: dts: document "altr,stratix10-rst-mgr" binding
reset: socfpga: add an early reset driver for SoCFPGA
reset: fix null pointer dereference on dev by dev_name
reset: Add reset_control_get_count()
reset: Improve reset controller kernel docs
ARC: HSDK: improve reset driver
Signed-off-by: Olof Johansson <olof@lixom.net>
They are all device tree fixes which also worth being in stable:
- Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
this area and crashing while doing it.
- Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based)
- Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
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Merge tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 5.0
They are all device tree fixes which also worth being in stable:
- Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
this area and crashing while doing it.
- Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based)
- Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
* tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: kirkwood: Fix polarity of GPIO fan lines
arm64: dts: marvell: mcbin: fix PCIe reset signal
arm64: dts: marvell: armada-ap806: reserve PSCI area
Signed-off-by: Olof Johansson <olof@lixom.net>
- Handle failed allocations in the IM/PC bus attachment.
- Use struct_size() for allocation.
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Merge tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into fixes
Fixes for the Integrator:
- Handle failed allocations in the IM/PC bus attachment.
- Use struct_size() for allocation.
* tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: integrator: impd1: use struct_size() in devm_kzalloc()
gpio: pl061: handle failed allocations
Signed-off-by: Olof Johansson <olof@lixom.net>
The NHK15 panel is specified inside the display controller,
which works for the DPI-type DT parsing the old fbdev code
used, but for the DRM driver it needs to be spawn as its own
device, so we move it out of the display controller.
We also drop the panel timings: this should be determined
by the hardware or a device-specific compatible string, not
by this type of encoding into the device tree. It turns out
that this hardware is strapped to the right configuration
at boot already and we the driver just reads out the
hardware-specified resolution and timings. Drop the
"panel,dpi" compatible string altogether.
Fix a comment error in the DTS file while we're at it.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = devm_kzalloc(dev, sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
devm_kzalloc(), devm_kstrdup() and devm_kasprintf() all can
fail internal allocation and return NULL. Using any of the assigned
objects without checking is not safe. As this is early in the boot
phase and these allocations really should not fail, any failure here
is probably an indication of a more serious issue so it makes little
sense to try and rollback the previous allocated resources or try to
continue; but rather the probe function is simply exited with -ENOMEM.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: 684284b64a ("ARM: integrator: add MMCI device to IM-PD1")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These two lines are active high, not active low. The bug was
found when we changed the kernel to respect the polarity defined
in the device tree.
Fixes: 1b90e06b14 ("ARM: kirkwood: Use devicetree to define DNS-32[05] fan")
Cc: Jamie Lentin <jm@lentin.co.uk>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Julien D'Ascenzio <jdascenzio@posteo.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Reported-by: Julien D'Ascenzio <jdascenzio@posteo.net>
Tested-by: Julien D'Ascenzio <jdascenzio@posteo.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
This adds the actual VGA DAC bridge that is used in the
Versatile AB, and sets the mode to 640x480 VGA and
routes the CLCD pads appropriately.
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Mali DP Maintainers <malidp@foss.arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
To avoid the following error:
asoc-simple-card sound: ASoC: Failed to create card debugfs directory
Which is because the card name contains '/' character, which can not be
used in file or directory names.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Add the board level fixed regulators for 3.3V and 1.8V which is used to
power - among other things - the tlv320aic3106 codec.
Apart from removing the following warning during boot:
tlv320aic3x-codec 0-0018: Invalid supply voltage(s) AVDD: -22, DVDD: -22
With the correct voltages the driver can select correct OCMV value to
reduce pop noise.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
To avoid the following error:
asoc-simple-card sound: ASoC: Failed to create card debugfs directory
Which is because the card name contains '/' character, which can not be
used in file or directory names.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Add the board level fixed regulators for 3.3V and 1.8V which is used to
power - among other things - the tlv320aic3106 codec.
Apart from removing the following warning during boot:
tlv320aic3x-codec 0-0018: Too high supply voltage(s) AVDD: 5000000, DVDD: 5000000
With the correct voltages the driver can select correct OCMV value to
reduce pop noise.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Since commit 587f7a694f ("gpio: davinci: Use dev name for label and
automatic base selection") the gpiochip label no longer has an ID
suffix. Update the GPIO lookup entries.
Fixes: 587f7a694f ("gpio: davinci: Use dev name for label and automatic base selection")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Since commit 587f7a694f ("gpio: davinci: Use dev name for label and
automatic base selection") the gpiochip label no longer has an ID
suffix. Update the GPIO lookup entries.
Fixes: 587f7a694f ("gpio: davinci: Use dev name for label and automatic base selection")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Since commit 587f7a694f ("gpio: davinci: Use dev name for label and
automatic base selection") the gpiochip label no longer has an ID
suffix. Update the GPIO lookup entries.
Fixes: 587f7a694f ("gpio: davinci: Use dev name for label and automatic base selection")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Since commit 587f7a694f ("gpio: davinci: Use dev name for label and
automatic base selection") the gpiochip label no longer has an ID
suffix. Update the GPIO lookup entries.
Fixes: 587f7a694f ("gpio: davinci: Use dev name for label and automatic base selection")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Since commit 587f7a694f ("gpio: davinci: Use dev name for label and
automatic base selection") the gpiochip label no longer has an ID
suffix. Update the GPIO lookup entries.
Fixes: 587f7a694f ("gpio: davinci: Use dev name for label and automatic base selection")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
The AP6212 is based on the Broadcom BCM43430 or BCM43438. The WiFi side
identifies as BCM43430, while the Bluetooth side identifies as BCM43438.
The Bluetooth side is connected to UART1 in a 4 wire configuration. Same
as the WiFi side, due to being the same chip and package, the board's
fixed 3.3V power regulator provides overall power via VBAT and I/O power
via VDDIO. The RTC clock output from the SoC provides the LPO low power
clock at 32.768 kHz.
This patch enables Bluetooth on this board, and also adds the missing
LPO clock on the WiFi side. There is also a PCM connection for
Bluetooth, but this is not covered here.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
The AP6212 is based on the Broadcom BCM43430 or BCM43438. The WiFi side
identifies as BCM43430, while the Bluetooth side identifies as BCM43438.
The Bluetooth side is connected to UART3 in a 4 wire configuration. Same
as the WiFi side, due to being the same chip and package, DLDO1 and
DLDO2 regulator outputs from the PMIC provide overall power via VBAT and
I/O power via VDDIO. The CLK_OUT_A clock output from the SoC provides
the LPO low power clock at 32.768 kHz.
This patch enables Bluetooth on this board, and also adds the missing
LPO clock on the WiFi side. There is also a PCM connection for
Bluetooth, but this is not covered here.
The LPO clock is fed from CLK_OUT_A, which needs to be muxed on pin
PI12. This can be represented in multiple ways. This patch puts the
pinctrl property in the pin controller node. This is due to limitations
in Linux, where pinmux settings, even the same one, can not be shared
by multiple devices. Thus we cannot put it in both the WiFi and
Bluetooth device nodes. Putting it the CCU node is another option, but
Linux's CCU driver does not handle pinctrl. Also the pin controller is
guaranteed to be initialized after the CCU, when clocks are available.
And any other devices that use muxed pins are guaranteed to be
initialized after the pin controller. Thus having the CLK_OUT_A pinmux
reference be in the pin controller node is a good choice without having
to deal with implementation issues.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
The design of the Bananapi M2 Ultra has both DLDO1 and DLDO2 regulators
provide power to the WiFi+BT module, which is based on the Broadcom
BCM43438 or BCM43430 chip. Each regulator output from the PMIC can supply
up to 200 mA. The datasheet of the chip suggests a maximum power draw of
up to 360 mA when transmitting, thus requiring two outputs from the PMIC
to handle the load. However the device tree only references one of them,
leaving the other unused and possibly turned off.
This patch marks both as always-on, since we don't have a proper binding
to specify two regulators as "bound together". The name and constraints
of DLDO2 are also added.
Fixes: da7ac948fa ("ARM: dts: sun8i: Add board dts file for Banana Pi M2
Ultra")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
CLK_OUT_A, an external clock output function driven from the clock
control unit, on the R40 is sometimes used to provide a low rate low
power clock to a WiFi or Bluetooth controller.
This patch adds a pinmux setting for it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
UART3 on the PG pingroup on the R40 SoC is commonly used to connect the
bluetooth controller in a WiFi+Bluetooth combo chip, with the WiFi bits
also on the PG pingroup.
This patch adds two device nodes for UART3 on PG pingroup, one for the
RX/TX pins, and one for the RTS/CTS pins. Consumers can reference either
just the RX/TX pinmux setting or both, depending on the application.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Create a separate reset driver that uses the reset operations in
reset-simple. The reset driver for the SoCFPGA platform needs to
register early in order to be able bring online timers that needed
early in the kernel bootup.
We do not need this early reset driver for Stratix10, because on
arm64, Linux does not need the timers are that in reset. Linux is
able to run just fine with the internal armv8 timer. Thus, we use
a new binding "altr,stratix10-rst-mgr" for the Stratix10 platform.
The Stratix10 platform will continue to use the reset-simple platform
driver, while the 32-bit platforms(Cyclone5/Arria5/Arria10) will use
the early reset driver.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
[p.zabel@pengutronix.de: fixed socfpga of_device_id in reset-simple]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The bananapi has all its bank regulators tied to the 3v3 static regulator.
Make sure it's properly represented.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This is necessary to use 'perf' for cache profiling etc.
Tested on cubieboard with 'perf stat echo foo'.
Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
