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Pull auxdisplay updates from Miguel Ojeda:
"An assortment of improvements for auxdisplay:
- Replace symbolic permissions with octal permissions (Jinchao Wang)
- ks0108: Switch to use module_parport_driver() (Andy Shevchenko)
- charlcd: Drop unneeded initializers and switch to C99 style (Andy
Shevchenko)
- hd44780: Fix oops on module unloading (Lars Poeschel)
- Add I2C gpio expander example (Ralf Schlatterbeck)"
* tag 'auxdisplay-for-linus-v5.15-rc1' of git://github.com/ojeda/linux:
auxdisplay: Replace symbolic permissions with octal permissions
auxdisplay: ks0108: Switch to use module_parport_driver()
auxdisplay: charlcd: Drop unneeded initializers and switch to C99 style
auxdisplay: hd44780: Fix oops on module unloading
auxdisplay: Add I2C gpio expander example
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Convert the ARM Versatile Character LCD Device Tree binding documentation
to json-schema.
Correct compatible value.
Document missing properties.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/4a63caa4136e8a31e82c7d75bb6f273498e8cccf.1627402256.git.geert@linux-m68k.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert the Device Tree binding documentation for ASCII LCD displays on
Imagination Technologies boards to json-schema.
Drop bogus regmap property.
Add example.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/6e74aa466d39ddc9abe502e054d04e8cc7b76b40.1627402094.git.geert@linux-m68k.org
[robh: add type to 'offset']
Signed-off-by: Rob Herring <robh@kernel.org>
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The hd44780 displays are often used with pcf8574 based I/O expanders.
Add example to documentation.
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Ralf Schlatterbeck <rsc@runtux.com>
[Added Suggested-by tag]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Convert the Holtek HT16K33 LED controller with keyscan Device Tree
binding documentation to json-schema.
Move the file from display to auxdisplay.
Update the example:
- Sort properties in order of documentation,
- Group tuples using angle brackets to improve human readability and
enable automatic validation.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Add a binding doc for the modtronix lcd2s auxdisplay driver. It also
adds modtronix to the list of known vendor-prefixes.
Reviewed-by: Willy Tarreau <w@1wt.eu>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Convert the Hitachi HD44780 Character LCD Controller Device Tree binding
documentation to json-schema.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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This is a follow up to the commit
00846a4425d3 ("auxdisplay: Move arm-charlcd.c to drivers/auxdisplay folder")
for Device Tree binding.
No functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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DT properties specifying physical properties should contain appropriate
suffices indicating the units of measurement.
Hence amend the HD44780 DT bindings to add "chars" suffixes to the
"display-height" and "display-width" properties, and update the driver
to parse them.
Fixes: dd9502a9e9156dd8 ("dt-bindings: auxdisplay: Add bindings for Hitachi HD44780")
Fixes: d47d88361feea2ce ("auxdisplay: Add HD44780 Character LCD support")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add DT bindings for an Hitachi HD44780 Character LCD Controller where
its M6800 bus interface is connected to GPIOs.
Memory-mapped configurations are not yet supported.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add documentation for a devicetree binding for the simple ASCII LCD
displays found on development boards such as the MIPS Boston, MIPS Malta
& MIPS SEAD3 from Imagination Technologies.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14061/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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