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Enable SLINK4 and connected device in Tegra30 based
platform Cardhu.
Setting maximum spi frequency to 25MHz.
SPI serial flash is connected on CS1 of SLINK4 on
cardhu platform.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
[swarren: swapped reg/compatible order to be consistent]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Configure pinmux as required for WiFi.
Enable the SDHCI1 controller for a02 and a04 board, which is connected to the
WiFi module.
For now, always enable the regulator that provides power to the Wifi module.
Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Commit 13511de "regulator: deprecate regulator-compatible DT property"
now allows for simpler content within the regulators node within a PMIC.
Modify all the Tegra device tree files to take advantage of this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
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For Seaboard, Ventana, and Cardhu, add DT property to tell the regulator
that it should provide the pm_power_off() implementation. This allows
"shutdown" to work.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Cadhu have multiple power rails which are controlled by
GPIOs. Add support of these power rail control through
fixed regulators. Add entry for all fixed regulators for
cardhu-a02 and a04.
The details are taken from downstream kernel.
Some points on this change are:
* Add the tps65910-LDO5 entry and make it always ON
to supply power to SDMMC. Once the sd driver support
regulator handling, this flag will be remove.
* Dropping registration of rail vdd_sdmmc1 as the gpio
is used by sdhci power-gpio. This need to fix in
sdhci driver and then need to add the registration
mechanism. Just removing power-gpio and adding fixed
regulator with this gpio is causing the sd access to
fail because first probe call of this regulator fails
due to non-available of parent and so it calls
gpio_free() which disable the pins in gpio mode make
pin output to LOW causes power to OFF. In probe retry,
it got success and it powered-on but it again need to
do again numeration of card here.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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There is multiple version of cardhu starting from A01 to A07.
Cardhu A01 and A03 are not supported. Cardhu A02 will have
different sets of GPIOs for fixed regulator compare to
cardhu A04. The Cardhu A05, A06, A07 are compatibe with A04.
Based on cardhu version, the related dts file need to be chosen
like for cardhu A02, use tegra30-cardhu-a02.dts, cardhu A04 and
more, use tegra30-cardhu-a04.dts.
This patch create the DTS file A02 and A04 and convert tegra30-cardhu.dts
as dts include file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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