linux-kernel - [PATCH v2 2/3] Documentation: sysfs: Document Broadcom STB memc sysfs knobs

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Message-Id: <20220722201043.2731570-3-f.fainelli@gmail.com>
Date:   Fri, 22 Jul 2022 13:10:42 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM7XXX
        ARM ARCHITECTURE),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS)
Subject: [PATCH v2 2/3] 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@...il.com>
---
 .../ABI/testing/sysfs-platform-brcmstb-memc       | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-platform-brcmstb-memc

diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-memc b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc
new file mode 100644
index 000000000000..2bf0f58e412c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc
@@ -0,0 +1,15 @@
+What:		/sys/devices/platform/*/*/*/*/srpd
+Date:		July 2022
+KernelVersion:	5.21
+Contact:	Florian Fainelli <f.fainelli@...il.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/devices/platform/*/*/*/*/frequency
+Date:		July 2022
+KernelVersion:	5.21
+Contact:	Florian Fainelli <f.fainelli@...il.com>
+Description:
+		DDR PHY frequency in Hz.
-- 
2.25.1