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To implement pinctrl support for the RK3368, we need to add the
bit-definitions to configure the IOMUX and tie these into the
pinctrl framework. This also adds the mapping from the IRQ# back
onto the periheral id for the SPI devices.
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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There is no real reason to keep the bit-definitions for the IOMUX in
the grf header file (which defines the register layout of the GRF block):
these should only be used by our pinctrl driver (with the possible
exception of early debug-init code in TPL/SPL).
This moves the relevant definitions from the grf_rk3368.h header
into the pinctrl driver pinctrl_rk3368.c.
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The RK3368 has two SD/MMC controllers that can be used from U-Boot
both during SPL and for booting an OS from the full bootloader stage.
While both are configured to (mostly) sensible settings from the BROM,
additional configuration for the MMC controller is needed to configure
it to 8bit mode.
This adds pinctrl support for the MMC controller.
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-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 mode:
* adds a PERIPH_ID_GMAC and the mapping from IRQ number to PERIPH_ID
* configures the RGMII pins
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The RK3368 GRF header was still defines with a shifted-mask but with
non-shifted function selectors for the IOMUX defines. As the RK3368
support is still fresh enough to allow a quick change, we do this now
before having more code use this.
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
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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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