From 25dff444c6cb122eed08e328ddc9698f3b3d2ca9 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Fri, 31 May 2024 09:55:37 -0700 Subject: hwmon: (spd5118) Add support for reading SPD data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for reading SPD NVMEM data from SPD5118 (Jedec JESD300) compliant memory modules. NVMEM write operation is not supported. NVMEM support is optional. If CONFIG_NVMEM is disabled, the driver will still instantiate but not provide NVMEM attribute files. Reviewed-by: Thomas Weißschuh Tested-by: Armin Wolf Signed-off-by: Guenter Roeck --- Documentation/hwmon/spd5118.rst | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'Documentation/hwmon') diff --git a/Documentation/hwmon/spd5118.rst b/Documentation/hwmon/spd5118.rst index a15d75aa2066..ef7338f46575 100644 --- a/Documentation/hwmon/spd5118.rst +++ b/Documentation/hwmon/spd5118.rst @@ -53,3 +53,11 @@ temp1_crit_alarm Temperature critical alarm Alarm attributes are sticky until read and will be cleared afterwards unless the alarm condition still applies. + + +SPD (Serial Presence Detect) support +------------------------------------ + +The driver also supports reading the SPD NVRAM on SPD5118 compatible chips. +SPD data is available from the 'eeprom' binary attribute file attached to the +chip's I2C device. -- cgit v1.2.3