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authorEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2021-12-15 18:54:59 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-12-16 10:46:35 +0100
commit5479618e1e2641dd57352a73b7b7b2f6908fbeee (patch)
treecb3162d14257ebd5a65ba33eacb39628d8d8f50a /arch/powerpc/boot
parent322539a014bcd24cbb9281832c09b24e07912237 (diff)
downloadlinux-5479618e1e2641dd57352a73b7b7b2f6908fbeee.tar.bz2
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.dts5
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";