Messages in this thread Patch in this message | | | From | Florian Fainelli <> | Subject | [PATCH 2/3] Documentation: sysfs: brcmstb-memc: Document new attributes | Date | Fri, 24 Mar 2023 09:52:30 -0700 |
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Document the DDR rank, size, total size, width and type attributes.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- .../ABI/testing/sysfs-platform-brcmstb-memc | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-memc b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc index 2f2b750ac2fd..bc969c02b85f 100644 --- a/Documentation/ABI/testing/sysfs-platform-brcmstb-memc +++ b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc @@ -1,3 +1,42 @@ +What: /sys/bus/platform/devices/*/ddr_rank +Date: March 2023 +KernelVersion: 6.3 +Contact: Florian Fainelli <f.fainelli@gmail.com> +Description: + Displays whether the device is single or dual rank. + +What: /sys/bus/platform/devices/*/ddr_size +Date: March 2023 +KernelVersion: 6.3 +Contact: Florian Fainelli <f.fainelli@gmail.com> +Description: + This field specifies the size of each DRAM device in the first + (or only) rank + +What: /sys/bus/platform/devices/*/ddr_total_width +Date: March 2023 +KernelVersion: 6.3 +Contact: Florian Fainelli <f.fainelli@gmail.com> +Description: + This field specifies the total data width of all DRAM devices + (in each rank) + +What: /sys/bus/platform/devices/*/ddr_type +Date: March 2023 +KernelVersion: 6.3 +Contact: Florian Fainelli <f.fainelli@gmail.com> +Description: + This field specifies DRAM technology type. Possible values: + DDR2, DDR3, DDR4, GDDR5, GDDR5M, LPDDR4. + +What: /sys/bus/platform/devices/*/ddr_width +Date: March 2023 +KernelVersion: 6.3 +Contact: Florian Fainelli <f.fainelli@gmail.com> +Description: + This field specifies the data width of each DRAM device. + Possible values are: x8, x16, x32 + What: /sys/bus/platform/devices/*/srpd Date: July 2022 KernelVersion: 5.21 -- 2.34.1
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