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| author |   Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> | 2021-12-15 18:54:59 +0100 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-12-16 10:46:35 +0100 |
| commit | 5479618e1e2641dd57352a73b7b7b2f6908fbeee (patch) | |
| tree | cb3162d14257ebd5a65ba33eacb39628d8d8f50a /arch/powerpc/boot | |
| parent | rtc: gamecube: Report low battery as invalid data (diff) | |
| download | linux-dev-5479618e1e2641dd57352a73b7b7b2f6908fbeee.tar.xz linux-dev-5479618e1e2641dd57352a73b7b7b2f6908fbeee.zip | |
powerpc: wii.dts: Expose HW_SRNPROT on this platform
This Hollywood register isn’t properly understood, but can allow or
reject access to the SRAM, which we need to set for RTC usage if it
isn’t previously set correctly beforehand.
See https://wiibrew.org/wiki/Hardware/Hollywood_Registers#HW_SRNPROT
Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211215175501.6761-4-linkmauve@linkmauve.fr
Diffstat (limited to 'arch/powerpc/boot')
| -rw-r--r-- | arch/powerpc/boot/dts/wii.dts | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts index e9c945b123c6..e46143c32308 100644 --- a/arch/powerpc/boot/dts/wii.dts +++ b/arch/powerpc/boot/dts/wii.dts @@ -168,6 +168,11 @@ interrupts = <14>; }; + srnprot@d800060 { + compatible = "nintendo,hollywood-srnprot"; + reg = <0x0d800060 0x4>; + }; + GPIO: gpio@d8000c0 { #gpio-cells = <2>; compatible = "nintendo,hollywood-gpio"; |