The Odroid-N2 schematics show that the following pins are used for the
reset and interrupt lines:
- GPIOZ_14 is the PHY interrupt line
- GPIOZ_15 is the PHY reset line
The GPIOZ_14 and GPIOZ_15 pins are special. The datasheet describes that
they are "3.3V input tolerant open drain (OD) output pins". This means
the GPIO controller can drive the output LOW to reset the PHY. To
release the reset it can only switch the pin to input mode. The output
cannot be driven HIGH for these pins.
This requires configuring the reset line as GPIO_OPEN_DRAIN because
otherwise the PHY will be stuck in "reset" state (because driving the
pin HIGH seems to result in the same signal as driving it LOW).
The reset line works together with a pull-up resistor (R143 in the
Odroid-N2 schematics). The SoC can drive GPIOZ_14 LOW to assert the PHY
reset. However, since the SoC can't drive the pin HIGH (to release the
reset) we switch the mode to INPUT and let the pull-up resistor take
care of driving the reset line HIGH.
Switch to GPIOZ_15 for the PHY reset line instead of using GPIOZ_14
(which actually is the interrupt line).
Move from the "snps" specific resets to the MDIO framework's
reset-gpios because only the latter honors the GPIO flags.
Use the GPIO flags (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN) to match with
the pull-up resistor because this will:
- drive the output LOW to reset the PHY (= active low)
- switch the pin to INPUT mode so the pull-up will take the PHY out of
reset
Fixes: 51d116557b2044 ("arm64: dts: meson-g12a-x96-max: Add Gigabit Ethernet Support")
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Fix sdio node order in the soc device tree
Fixes: a1737347250e ("arm64: dts: meson: g12a: add SDIO controller")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Enable the sound card on the X96 Max, enabling HDMI output using the
TDM interface B, being aligned on other boards sound cards.
SPDI/F support is also enabled to the physical toslink port and to HDMI.
The internal DAC connected to the audio jack will be added later on, when
driver support is added.
Tested by running:
tinymix set "FRDDR_A SRC 1 EN Switch" 1
tinymix set "FRDDR_A SINK 1 SEL" "OUT 1"
tinymix set "FRDDR_B SRC 1 EN Switch" 1
tinymix set "FRDDR_B SINK 1 SEL" "OUT 1"
tinymix set "FRDDR_C SRC 1 EN Switch" 1
tinymix set "FRDDR_C SINK 1 SEL" "OUT 1"
tinymix set "TOHDMITX I2S SRC" "I2S B"
tinymix set "TOHDMITX Switch" 1
then:
tinymix set "TDMOUT_B SRC SEL" "IN 0"
speaker-test -Dhw:0,0 -c2
then:
tinymix set "TDMOUT_B SRC SEL" "IN 1"
speaker-test -Dhw:0,1 -c2
then:
tinymix set "TDMOUT_B SRC SEL" "IN 2"
speaker-test -Dhw:0,2 -c2
testing HDMI audio output from the all 3 ASoC playback interfaces.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Enable the sound card on the Hardkernel Odroid-N2, enabling HDMI output
using the TDM interface B, being aligned on other boards sound cards.
The internal DAC connected to the audio jack will be added later on, when
driver support is added.
Tested by running:
tinymix set "FRDDR_A SRC 1 EN Switch" 1
tinymix set "FRDDR_A SINK 1 SEL" "OUT 1"
tinymix set "FRDDR_B SRC 1 EN Switch" 1
tinymix set "FRDDR_B SINK 1 SEL" "OUT 1"
tinymix set "FRDDR_C SRC 1 EN Switch" 1
tinymix set "FRDDR_C SINK 1 SEL" "OUT 1"
tinymix set "TOHDMITX I2S SRC" "I2S B"
tinymix set "TOHDMITX Switch" 1
then:
tinymix set "TDMOUT_B SRC SEL" "IN 0"
speaker-test -Dhw:0,0 -c2
then:
tinymix set "TDMOUT_B SRC SEL" "IN 1"
speaker-test -Dhw:0,1 -c2
then:
tinymix set "TDMOUT_B SRC SEL" "IN 2"
speaker-test -Dhw:0,2 -c2
testing HDMI audio output from the all 3 ASoC playback interfaces.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Enable the sound card on the sei510:
* TDM interface A is connected to an external DAC and a speaker installed
on the device.
* HDMI is expected to use TDM B. It can also use TDM A but will be
limited to 2 channels, as accepted by the external DAC.
* 2 Built in PDM mics through the PDM interface.
* Both TDM outputs may use HW loopback.
The internal DAC connected to audio jack will be added later on, when
driver support is added.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The SEI510 board features a max98357a audio codec for built-in
speaker
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The patch on this branch adds bindings for tohdmitx, including a header
to be used in DT bindings which needs to be shared with the arm-soc tree
in order to allow system DTs to be merged.
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Merge tag 'asoc-tohdmitx' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into HEAD
ASoC: tohdmitx bindings
The patch on this branch adds bindings for tohdmitx, including a header
to be used in DT bindings which needs to be shared with the arm-soc tree
in order to allow system DTs to be merged.
# gpg: Signature made Fri 14 Jun 2019 11:43:33 AM PDT
# gpg: using RSA key ADE668AA675718B59FE29FEA24D68B725D5487D0
# gpg: issuer "broonie@kernel.org"
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>" [full]
# gpg: aka "Mark Brown <broonie@debian.org>" [full]
# gpg: aka "Mark Brown <broonie@kernel.org>" [full]
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>" [full]
# gpg: aka "Mark Brown <broonie@linaro.org>" [unknown]
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>" [unknown]
* tag 'asoc-tohdmitx' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound:
ASoC: meson: add tohdmitx DT bindings
Add the bindings and the related documentation for the audio hdmitx
control glue of the Amlogic g12a SoC family
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
GPIO interrupts are used for the external Ethernet RGMII PHY interrupt
line.
Add the GPIO interrupt controller so we can describe that connection in
the dts files.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Setting to 2Mbaud/s is the nominal bus speed for common usages.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Setting to 2Mbaud/s is the nominal bus speed for common usages.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The 32k low power clock is necessary for the bluetooth part of the
combo module to initialize correctly, simply add the same clock we
use for the sdio pwrseq.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The 32k low power clock is necessary for the bluetooth part of the
combo module to initialize correctly, simply add the same clock we
use for the sdio pwrseq.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The SEI510 embeds an AP6398S SDIO module, let's add the
corresponding SDIO, PWM clock and mmc-pwrseq nodes.
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The X96 Max embeds an AP6398S SDIO module, let's add the
corresponding SDIO, PWM clock and mmc-pwrseq nodes.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add nodes to support SDCard and onboard eMMC on the X96 Max.
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The Amlogic G12A SDIO Controller has a bug preventing direct DDR access,
add the port A (SDIO) pinctrl and controller nodes and mark this specific
controller with the amlogic,dram-access-quirk property.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This patch adds basic support for :
- Amlogic G12B, which is very similar to G12A
- The HardKernel Odroid-N2 based on the S922X SoC
The Amlogic G12B SoC is very similar with the G12A SoC, sharing
most of the features and architecture, but with these differences :
- The first CPU cluster only has 2xCortex-A53 instead of 4
- G12B has a second cluster of 4xCortex-A73
- Both cluster can achieve 2GHz instead of 1,8GHz for G12A
- CPU Clock architecture is difference, thus needing a different
compatible to handle this slight difference
- Supports a MIPI CSI input
- Embeds a Mali-G52 instead of a Mali-G31, but integration is the same
Actual support is done in the same way as for the GXM support, including
the G12A dtsi and redefining the CPU clusters.
Unlike GXM, the first cluster is different, thus needing to remove
the last 2 cpu nodes of the first cluster.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Anand Moon <linux.amoon@gmail.com>
[khilman: add vin-supply for vcc_v5 as suggested by Anand Moon]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add compatible for the Amlogic G12B (S922X) SoC based Odroid-N2 SBC
from HardKernel.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add compatible for the Amlogic G12B SoC, sharing most of the
features and architecture with the G12A SoC.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the external ethernet PHY interrupt on the Vega S95 board.
Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Fix the SDIO WiFi support and add proper Bluetooth support on the
Vega S95 board.
Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add SARARC node and associated regulator to support reading the
ADC inputs on the Vega S95
Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add CEC nodes to support CEC communication on Vega S95
Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add HDMI nodes to support graphics on Vega S95
Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Align the regulator names with other GXBB SoCS for upcoming
SARADC support and SDIO/SDCard fixes.
Also fix how regulators are passed to MMC controllers & USB.
Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This enables Bluetooth support for the following models:
AP6335 in the WeTek Hub rev1 - BCM4335C0.hcd
AP6255 in the WeTek Hub rev2 - BCM4345C0.hcd
AP6330 in the WeTek Play 2 - BCM4330B1.hcd
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Enable SARADC on Wetek Boards.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
- Remove serial1 alias
- Add support for uart_A rts/cts
- Add bluetooth uart_A subnode qith shutdown gpio
Fixes: b8b74dda39 ("ARM64: dts: meson-gxm: Add support for Khadas VIM2")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Fix DTC warnings:
meson-gxm-khadas-vim2.dtb: Warning (avoid_unnecessary_addr_size):
/gpio-keys-polled: unnecessary #address-cells/#size-cells
without "ranges" or child "reg" property
Fixes: b8b74dda39 ("ARM64: dts: meson-gxm: Add support for Khadas VIM2")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Enable the network interface of the X96 Mac using an external
Realtek RTL8211F gigabit PHY, needing the same broken-eee properties
as the previous Amlogic SoC generations.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The Amlogic G12A has the hwrng module at the end of an unknown
"EFUSE" bus.
The hwrng is not enabled on the vendor G12A DTs, but is enabled on
next generation SM1 SoC family sharing the exact same memory mapping.
Let's add the "EFUSE" bus and the hwrng node.
This hwrng has been checked with the rng-tools rngtest FIPS tool :
rngtest: starting FIPS tests...
rngtest: bits received from input: 1630240032
rngtest: FIPS 140-2 successes: 81436
rngtest: FIPS 140-2 failures: 76
rngtest: FIPS 140-2(2001-10-10) Monobit: 10
rngtest: FIPS 140-2(2001-10-10) Poker: 6
rngtest: FIPS 140-2(2001-10-10) Runs: 26
rngtest: FIPS 140-2(2001-10-10) Long run: 34
rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
rngtest: input channel speed: (min=3.784; avg=5687.521; max=19073.486)Mibits/s
rngtest: FIPS tests speed: (min=47.684; avg=52.348; max=52.835)Mibits/s
rngtest: Program run time: 30000987 microseconds
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
After discussing with Amlogic, the Synopsys GMAC version used by
the gx and axg family is the 3.70a. Set this is in DT
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
With the X96 Max board using an external Gigabit Ethernet PHY,
add the same driver strength to the Ethernet pins as the vendor
tree.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
With the default boot settings, the DDC drive strength is too weak,
set the driver-strengh to 4mA to avoid errors on the DDC line.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Enable the network interface of the SEI510 which use the internal PHY.
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The u200 is the main mother board for the S905D2. It can provide
both the internal and external network. However, by default the
resistance required for the external RGMII bus are not fitted, so
enable the internal PHY.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the g12a mdio multiplexer which allows to connect to either
an external phy through the SoC pins or the internal 10/100 phy
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the ethernet pinctrl settings for RMII, RGMII and internal phy leds
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the synopsys ethernet mac controller embedded in the g12a SoC family.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the hdmitx glue device linking the SoC audio interfaces to the
embedded Synopsys hdmi controller.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Convert Amlogic SoC bindings to DT schema format using json-schema.
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
[khilman: updated maninainers]
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
It is best practice to have 1 binding per file, so board level bindings
should be separate for various misc SoC bindings.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
At the moment the sysnopsys hdmi i2s driver provides a single playback
DAI. Add the corresponding sound-dai-cell to the hdmi device node.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the spdif input device node and the pinctrl definition for
this capture interface g12a SoC family
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the pdm device node and the pinctrl definition for this capture
interface g12a SoC family
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the devices nodes and pinctrl definitions for the spdif outputs of
the g12a SoC family
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the devices and pinctrl definitions for the tdm interfaces of
the g12a SoC family.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
