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The 'pengutronix' address is defunct for years. Use the proper contact
address.
Signed-off-by: Wolfram Sang <[email protected]>
Acked-by: Adrian Hunter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
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strobe-dll-delay-target is the delay cell add on the strobe line.
Strobe line the the uSDHC loopback read clock which is use in HS400
mode. Different strobe-dll-delay-target may need to set for different
board/SoC. If this delay cell is not set to an appropriate value,
we may see some read operation meet CRC error after HS400 mode select
which already pass the tuning.
This patch add the strobe-dll-delay-target setting in driver, so that
user can easily config this delay cell in dts file.
Signed-off-by: Haibo Chen <[email protected]>
Acked-by: Adrian Hunter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation version 2 of the license
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 315 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Reviewed-by: Armijn Hemel <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Simplify things by making the i.MX SDHCI driver just use
slot GPIO with descriptors instead of passing around the global
GPIO numbers that we want to get rid of.
As it turns out, just one single board is using the platform
data to pass in GPIOs numbers for CD and WP, so we augment this
to use a machine descriptor table instead.
Cc: Shawn Guo <[email protected]>
Cc: Sascha Hauer <[email protected]>
Cc: Pengutronix Kernel Team <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: NXP Linux Team <[email protected]>
Cc: Bartosz Golaszewski <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Reviewed-by: Dong Aisheng <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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The field support_vsel is currently only used in the device tree
case. Get rid of it. No change in behavior.
Signed-off-by: Stefan Agner <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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The delay cells of some SoCs may have less delay per one cell,
for such SoCs, user could set the start delay cell point to bypass
the first a few meaningless tuning commands.
Acked-by: Adrian Hunter <[email protected]>
Signed-off-by: Dong Aisheng <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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tuning-step is the delay cell steps in tuning procedure. The default value
of tuning-step is 1. Some boards or cards need another value to pass the
tuning procedure. For example, imx7d-sdb board need the tuning-step value
as 2, otherwise it can't pass the tuning procedure.
So this patch add the tuning-step setting in driver, so that user can set
the tuning-step value in dts.
Signed-off-by: Haibo Chen <[email protected]>
Acked-by: Dong Aisheng <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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After commit 8d86e4fcccf6 ("mmc: sdhci-esdhc-imx: Call mmc_of_parse()"),
it's not used anymore.
Signed-off-by: Dong Aisheng <[email protected]>
Reviewed-by: Johan Derycke <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
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The DLL(Delay Line) is newly added to assist in sampling read data.
The DLL provides the ability to programmatically select a quantized
delay (in fractions of the clock period) regardless of on-chip variations
such as process, voltage and temperature (PVT).
This patch adds a user interface to set slave delay line via device tree.
It's usually used in high speed mode like mmc DDR mode when the signal
quality is not good caused by board design, e.g. the signal path is too
long. User can manually set delay line to find a suitable data sampling
window for card to work properly.
Signed-off-by: Dong Aisheng <[email protected]>
Acked-by: Shawn Guo <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
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Without proper pinctrl state, the card may not be able to work
on high speed stablely. e.g. SDR104.
This patch add pinctrl state switch code according to different
uhs mode include 100mhz sate, 200mhz sate and normal state
(50Mhz and below).
Signed-off-by: Dong Aisheng <[email protected]>
Acked-by: Shawn Guo <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
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In order to make it possible to reduce the SD bus frequency,
parse the optional "max-frequency" attribute as documented in
devicetree/bindings/mmc/mmc.txt
Signed-off-by: Lucas Stach <[email protected]>
Acked-by: Shawn Guo <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
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The i.MX esdhc has a nonstandard bit layout for the SDHCI_HOST_CONTROL
register. To support 8bit bus width on i.MX populate the platform_bus_width
callback. This is tested on an i.MX25, but should according to the datasheets
work on the other i.MX using this hardware aswell. The i.MX6, while having
a SDHCI_SPEC_300 controller, still uses the same nonstandard register layout.
Signed-off-by: Sascha Hauer <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>
Tested-by: Dirk Behme <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
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Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the imx include directories
Signed-off-by: Arnd Bergmann <[email protected]>
Acked-by: Mark Brown <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Nicolas Pitre <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Acked-by: Vinod Koul <[email protected]>
Cc: Russell King <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: "Ben Dooks (embedded platforms)" <[email protected]>
Cc: "Wolfram Sang (embedded platforms)" <[email protected]>
Cc: Chris Ball <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Alan Cox <[email protected]>
Cc: Felipe Balbi <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Florian Tobias Schandinat <[email protected]>
Cc: Liam Girdwood <[email protected]>
Cc: Javier Martin <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Guennadi Liakhovetski <[email protected]>
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