linux-kernel - [PATCH 2/4] Documentation: add sysfs entries for Zhouyi NPU

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Message-Id: <20211215103609.9268-3-dejia.shang@armchina.com>
Date:   Wed, 15 Dec 2021 18:36:07 +0800
From:   Dejia Shang <dejia.shang@...china.com>
To:     gregkh@...uxfoundation.org, robh+dt@...nel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org
Cc:     dejia.shang@...china.com, toby.shang@...china.com
Subject: [PATCH 2/4] Documentation: add sysfs entries for Zhouyi NPU

Zhouyi NPU driver provides sysfs interfaces for userspace to
check the status of NPU cores.

Signed-off-by: Dejia Shang <dejia.shang@...china.com>
---
 .../ABI/testing/sysfs-devices-platform-armchina-npu | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-armchina-npu

diff --git a/Documentation/ABI/testing/sysfs-devices-platform-armchina-npu b/Documentation/ABI/testing/sysfs-devices-platform-armchina-npu
new file mode 100644
index 000000000000..185819e0010c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-devices-platform-armchina-npu
@@ -0,0 +1,13 @@
+What:           /sys/devices/platform/aipu<n>/disable
+Date:           December 2021
+KernelVersion:  5.16
+Contact:        Dejia Shang <dejia.shang@...china.com>
+Description:
+                (RW) Read/Set the enable/disable status of the current Zhouyi NPU core
+
+What:           /sys/devices/platform/aipu<n>/ext_registers
+Date:           December 2021
+KernelVersion:  5.16
+Contact:        Dejia Shang <dejia.shang@...china.com>
+Description:
+                (RO) List of Zhouyi NPU external registers and current values inside
--
2.17.1

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