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All other SoC types are using "lantiq,sram" and "simple-bus" to ensure
that all child nodes are set up correctly during linux kernel
initialization (plat_of_setup(void) in arch/mips/lantiq/prom.c). Without
this some of sram child nodes might not be parsed.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48548 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Compared to the "old" driver:
- Each device must assign a pinctrl setting to the SPI node to allow the
new SPI driver to configure the SPI pins.
While here we are also using separate input and output settings so we
are independent of whether the bootloader configures the pins correctly.
- We use the new "compatible" strings to make the driver choose the
correct number of chip-selects for each SoC.
- The new driver starts counting the chip-selects at 1 (instead of 0, like
the old one did). Thus we have to adjust the devices accordingly.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48293 3c298f89-4303-0410-b956-a3cf2f4a3e73
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This allows devices to use SPI without having to re-define (and thus
duplicating) the whole SPI node.
By default SPI is disabled (as before) because only few devices need it.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48286 3c298f89-4303-0410-b956-a3cf2f4a3e73
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These were introduced in upstream commit
be14811c03cf "pinctrl/lantiq: introduce new dedicated devicetree
bindings" and finally allow us to use the individual pins within our dts
(for example spi_clk, etc.).
Please note that this changes the number of GPIOs which are available for
some SoCs. VRX200 SoCs for example only have 50 pins, but previously 56
pins were exposed. This means that all places which are using hardcoded
GPIO numbers (which are not passed via device-tree) need to be adjusted
(because the first GPIO number is now 462, instead of 456).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48284 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Since the AR9 USB is very similar to the VR9 USB it too can be used with
the upstream DWC2 driver.
Here are the DTS definitions which make it compatible with the DWC2
driver.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46914 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44348 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36443 3c298f89-4303-0410-b956-a3cf2f4a3e73
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