From: Florian Fainelli <f.fainelli@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM
BCM7XXX ARM ARCHITECTURE), Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 4/4] Documentation: ABI: Document Broadcom STB PSCI firmware files
Date: Fri, 21 Jan 2022 19:54:21 -0800 [thread overview]
Message-ID: <20220122035421.4086618-5-f.fainelli@gmail.com> (raw)
In-Reply-To: <20220122035421.4086618-1-f.fainelli@gmail.com>
Document the attributes created by the Broadcom STB PSCI firmware code
to allow retrieving the firmware version and the control of the CPU
retention upon system suspend entry.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
Documentation/ABI/testing/sysfs-firmware-brcmstb | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-firmware-brcmstb
diff --git a/Documentation/ABI/testing/sysfs-firmware-brcmstb b/Documentation/ABI/testing/sysfs-firmware-brcmstb
new file mode 100644
index 000000000000..5ebd8d0a34be
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-firmware-brcmstb
@@ -0,0 +1,16 @@
+What: /sys/firmware/brcmstb/mon_version
+Date: Jan 2022
+Contact: Florian Fainelli <f.fainelli@gmail.com>
+Description:
+ Reports the ARM trusted firmware (monitor) version running on
+ the Broadcom STB platforms under the format:
+ A.B.C.D
+
+What: /sys/firmware/brcmstb/cpu_retention
+Date: Jan 2022
+Contact: Florian Fainelli <f.fainelli@gmail.com>
+Description:
+ Allows the toggling of whether S2 standby should be entered
+ with (default) or without CPU retention.
+
+ Accepted values are 0 or 1.
--
2.25.1
next prev parent reply other threads:[~2022-01-22 3:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-22 3:54 [PATCH 0/4] Broadcom STB PM PSCI extensions Florian Fainelli
2022-01-22 3:54 ` [PATCH 1/4] firmware: psci: Export a couple of suspend symbols Florian Fainelli
2022-01-22 12:22 ` kernel test robot
2022-01-22 3:54 ` [PATCH 2/4] soc: bcm: brcmstb: Make legacy PM code depend on !ARM_PSCI_FW Florian Fainelli
2022-01-22 3:54 ` [PATCH 3/4] soc: bcm: brcmstb: Added support for PSCI system suspend operations Florian Fainelli
2022-01-22 6:09 ` kernel test robot
2022-01-22 7:10 ` kernel test robot
2022-02-03 12:09 ` Mark Rutland
2022-02-03 18:45 ` Florian Fainelli
2022-01-22 3:54 ` Florian Fainelli [this message]
2022-01-27 3:55 ` [PATCH 0/4] Broadcom STB PM PSCI extensions Florian Fainelli
2022-02-03 10:47 ` Mark Rutland
2022-02-03 18:32 ` Florian Fainelli
2022-02-03 11:14 ` Sudeep Holla
2022-02-03 17:36 ` Florian Fainelli
2022-02-03 18:52 ` Sudeep Holla
2022-02-03 19:33 ` Florian Fainelli
2022-02-07 16:27 ` Sudeep Holla
2022-02-14 18:12 ` Florian Fainelli
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