rtc: m48t59: Use platform_data struct for year offset value

Instead of hard-coded values and ifdefs, store the year offset in the
platform_data struct.

Tested-by: Daniel Palmer <[email protected]>
Re

rtc: m48t59: Use platform_data struct for year offset value

Instead of hard-coded values and ifdefs, store the year offset in the
platform_data struct.

Tested-by: Daniel Palmer <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Finn Thain <[email protected]>
Tested-by: Andreas Larsson <[email protected]>
Acked-by: Andreas Larsson <[email protected]>
Link: https://lore.kernel.org/r/665c3526184a8d0c4a6373297d8e7d9a12591d8b.1731450735.git.fthain@linux-m68k.org
Signed-off-by: Alexandre Belloni <[email protected]>

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

Based on 2 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of th

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

Based on 2 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 version 2 as
published by the free software foundation

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Enrico Weigelt <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Reviewed-by: Allison Randal <[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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rtc-m48t59: allow externally mapped ioaddr

Add support for externally mapped ioaddr. This is required on sparc32
as the ioaddr must be mapped with of_ioremap().

Signed-off-by: Krzysztof Helt <krzy

rtc-m48t59: allow externally mapped ioaddr

Add support for externally mapped ioaddr. This is required on sparc32
as the ioaddr must be mapped with of_ioremap().

Signed-off-by: Krzysztof Helt <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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rtc-m48t59: add support for M48T02 and M48T59 chips

Add support for two compatible RTC:
- M48T08 which does not have alarm part,
- M48T08 which does not have alarm part and has
only 2KB of NVRAM

rtc-m48t59: add support for M48T02 and M48T59 chips

Add support for two compatible RTC:
- M48T08 which does not have alarm part,
- M48T08 which does not have alarm part and has
only 2KB of NVRAM

These types covers all Mostek's RTC used in Sun UltraSparc workstations.

Tested on Sun Ultra60 with M48T59 RTC.

Signed-off-by: Krzysztof Helt <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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rtc: add support for the ST M48T59 RTC

[[email protected]: x86_64 build fix]
[[email protected]: The acpi guys changed the bin_attribute code]
Signed-off-by: Mark Zhan <rongkai.zhan@

rtc: add support for the ST M48T59 RTC

[[email protected]: x86_64 build fix]
[[email protected]: The acpi guys changed the bin_attribute code]
Signed-off-by: Mark Zhan <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

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