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authorFlorian Fainelli <f.fainelli@gmail.com>2022-08-12 15:25:32 -0700
committerKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-08-18 09:11:45 +0300
commite3a1b9245ef72f3b9362816dffd6a08b27db10af (patch)
tree44f0f7efa6ca1a60872c6ded174f0a4c1842e10d
parentfa0321ba51ddff78ebe3c7c945830a85c987e3ed (diff)
downloadlinux-e3a1b9245ef72f3b9362816dffd6a08b27db10af.tar.bz2
Documentation: sysfs: Document Broadcom STB memc sysfs knobs
Document the "srpd" and "frequency" sysfs attributes exposed by the brcmstb_memc driver. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220812222533.2428033-3-f.fainelli@gmail.com
-rw-r--r--Documentation/ABI/testing/sysfs-platform-brcmstb-memc15
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-memc b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc
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+What: /sys/bus/platform/devices/*/srpd
+Date: July 2022
+KernelVersion: 5.21
+Contact: Florian Fainelli <f.fainelli@gmail.com>
+Description:
+ Self Refresh Power Down (SRPD) inactivity timeout counted in
+ internal DDR controller clock cycles. Possible values range
+ from 0 (disable inactivity timeout) to 65535 (0xffff).
+
+What: /sys/bus/platform/devices/*/frequency
+Date: July 2022
+KernelVersion: 5.21
+Contact: Florian Fainelli <f.fainelli@gmail.com>
+Description:
+ DDR PHY frequency in Hz.