linux-kernel - [PATCH v2 1/6] firmware: arm_scmi: imx: Add documentation for MISC_BOARD

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Message-Id: <20250710-sm-misc-api-v1-v2-1-c3e953e34be6@nxp.com>
Date: Thu, 10 Jul 2025 16:33:26 +0800
From: Peng Fan <peng.fan@....com>
To: Sudeep Holla <sudeep.holla@....com>, 
 Cristian Marussi <cristian.marussi@....com>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: arm-scmi@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH v2 1/6] firmware: arm_scmi: imx: Add documentation for
 MISC_BOARD_INFO

System Manager Firmware supports getting board information, add
documentation for this API

Reviewed-by: Cristian Marussi <cristian.marussi@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/firmware/arm_scmi/vendors/imx/imx95.rst | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx95.rst b/drivers/firmware/arm_scmi/vendors/imx/imx95.rst
index 4e246a78a042a79eb81be35632079c7626bbbe57..0a4d157b3ea12c7735aa19d8d6c64ae8504d0c71 100644
--- a/drivers/firmware/arm_scmi/vendors/imx/imx95.rst
+++ b/drivers/firmware/arm_scmi/vendors/imx/imx95.rst
@@ -1670,6 +1670,28 @@ protocol_id: 0x84
 |uint32 syslog[N]    |Log data array, N is defined in bits[11:0] of numLogflags|
 +--------------------+---------------------------------------------------------+
 
+MISC_BOARD_INFO
+~~~~~~~~~~~~~~~
+
+message_id: 0xE
+protocol_id: 0x84
+
++--------------------+---------------------------------------------------------+
+|Return values                                                                 |
++--------------------+---------------------------------------------------------+
+|Name                |Description                                              |
++--------------------+---------------------------------------------------------+
+|int32 status        |SUCCESS: config name return                              |
+|                    |NOT_SUPPORTED: name not available                        |
++--------------------+---------------------------------------------------------+
+|uint32 attributes   |Board specific attributes reserved for future expansion  |
+|                    |without breaking backwards compatibility                 |
++--------------------+---------------------------------------------------------+
+|uint8 boardname[16] |Board name. Null terminated ASCII string of up           |
+|                    |to 16 bytes in length.(This is SM exported boardname     |
+|                    |which may not align with the boardname in device tree)   |
++--------------------+---------------------------------------------------------+
+
 NEGOTIATE_PROTOCOL_VERSION
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 

-- 
2.37.1