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Add driver to support iomux setup for the most commonly
used peripherals on rk3368.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <sjg@chromium.org>
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To add HDMI support for the RK3399, this commit provides the needed
pinctrl functionality to configure the HDMI I2C pins (used for reading
the screen's EDID).
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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GMAC controller need to init the tx io driver strength to 13mA,
just like the description in dts pinctrl node, or else the controller
may only work in 100MHz Mode, and fail to work at 1000MHz mode.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com <mailto:philipp.tomsich@theobroma-systems.com>>
Reviewed-by: Simon Glass <sjg@chromium.org>
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This commit adds support for the pin-configuration of the SPI5
controller of the RK3399 through the following changes:
* grf_rk3399.h: adds definition for configuring the SPI5 pins
in the GPIO2C group
* periph.h: defines PERIPH_ID_SPI3 through PERIPH_ID_SPI5
* pinctrl_rk3399.c: adds the reverse-mapping from the IRQ# to
PERIPH_ID_SPI5; dispatches PERIPH_ID_SPI3
through SPI5 to the appropriate pin-config
function; implements the pin-configuration
for PERIPH_ID_SPI5 using the GPIO2C group
X-AffectedPlatforms: RK3399-Q7
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Acked-by: Simon Glass <sjg@chromium.org>
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This originally started out as
"pinctrl: Kconfig: reorder to keep Rockchip options together"
and tried to keep the Rockchip-related config options together.
However, we now rewrite all chip-specific driver selections to start
with CONFIG_PINCTRL_ (with the inadvertent changes to related
Makefiles) and sort those alphabetically. And as this already means
touching most of the file, we also reformat the help text to not exceed
80 characters (but make full use of those 80 characters).
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Simon Glass <sjg@chromium.org>
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To add GMAC (Gigabit Ethernet) support (limited to RGMII only at this
point), we need support for additional pin-configuration. This commit
adds the pinctrl support for GMAC in RGMII signalling mode:
* adds a PERIPH_ID_GMAC and the mapping from IRQ number to PERIPH_ID
* adds the required defines (in the GRF support) for configuring the
GPIOC pins for RGMII
* configures the RGMII pins (in GPIOC) when requested via pinctrl
X-AffectedPlatforms: RK3399-Q7
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Add rk3328 pinctrl driver and grf/iomux structure definition.
Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Add a driver which supports pin multiplexing setup for the most commonly
used peripherals.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
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Do not use the API which of-platdata not support.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
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rk3399 grf register bit defenitions should locate in header
file, so that not only pinctrl can use it.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This patch add pinctrl driver for rk3399.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Bank 0 is the "PMU GPIO" bank which is controlled by the PMU registers
rather than the GRF registers. In the GRF the top half of the register
is used as a mask so that some bits can be updated without affecting the
others, but in the PMU this feature is not provided and the top half of
the register is reserved.
Take the same approach as the Linux driver to update the value via
read-modify-write but setting the mask for only the bits that have
changed. The PMU registers ignore the top 16 bits so this works for
both GRF and PMU iomux registers.
Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
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Quite a few places have a bind() method which just calls dm_scan_fdt_dev().
We may as well call dm_scan_fdt_dev() directly. Update the code to do this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This new function is more convenient for callers, and handles pre-relocation
situations automatically.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Having some sort of ordering proofed helpful in a lot of other places
already. So for a larger number of rockchip socs it might be helpful
as well instead of an ever increasing unsorted list.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: Simon Glass <sjg@chromium.org>
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Rockchip socs are always named rkxxxx in all places, as also shown
by the naming of the rk3036 pinctrl file itself.
Therefore also name the config symbol according to this scheme.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
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The rk3288 pinctrl is very specific to this soc, so should
not hog the generic rockchip naming.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
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Add support for of-platdata with rk3288. This requires disabling access to
the device tree and renaming the driver to match the string that of-platdata
will search for.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The rgmii_pins node in rk3288.dtsi configures 15 pins. Increase the size
of the cell array to accomedate that, otherwise only the first 10 get
configured.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Since the device tree does not specify the EDID pinctrl option for HDMI we
must set it manually. Fix the driver to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Implement this so that the GPIO command will be able to report whether a
GPIO is used for input or output.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This file has many features that are not needed by SPL. Use #ifdef to
remove the unused features and reduce the code size.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We can make use of the device tree to configure pinctrl settings. Add this
support for the driver so we can use it in U-Boot proper.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This is easier to deal with when using generic code since it allows us to
use a register index instead of naming each register.
Adjust it, adding an enum to improve readability.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Call dm_scan_fdt_node() in rk3036 pinctrl uclass binding.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Add a driver which support pin multiplexing setup for rk3036
Signed-off-by: Lin Huang <hl@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Commit c5acf4a2b3c6 ("pinctrl: Add the concept of peripheral IDs")
added some additional change that was not mentioned in the git-log.
That commit added dm_scan_fdt_node() in the pinctrl uclass binding.
It should be handled by the simple-bus driver or the low-level
driver, not by the pinctrl framework.
I guess Simon's motivation was to bind GPIO banks located under the
Rockchip pinctrl device. It is true some chips have sub-devices
under their pinctrl devices, but it is basically SoC-specific matter.
This commit partly reverts commit c5acf4a2b3c6 to keep the only
pinctrl-generic features in the uclass. The dm_scan_fdt_node()
should be called from the rk3288_pinctrl driver.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
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Add a driver which supports pin multiplexing setup for the most commonly
used peripherals.
Signed-off-by: Simon Glass <sjg@chromium.org>
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