4 files changed, 23 insertions, 0 deletions

diff --git a/soc/mediatek/mt8188/README.md b/soc/mediatek/mt8188/README.md
index bdc850b..6138626 100644
--- a/soc/mediatek/mt8188/README.md
+++ b/soc/mediatek/mt8188/README.md
@@ -3,6 +3,7 @@
 - sspm.bin
 - dpm.dm
 - dpm.pm
+- spm_firmware.bin
 
 --------------------------------------------------------------------------------
 # MCUPM introduction
@@ -72,3 +73,20 @@ $ strings dpm.pm | grep version
 ```
 
 --------------------------------------------------------------------------------
+# SPM introduction
+SPM is able to turn off more power such as DRAM self-refresh mode and 26M clock off
+when system is in suspend. Also, SPM helps support Vcore DVFS feature.
+
+## Who uses it
+Linux kernel system suspend and Vcore DVFS.
+
+## How to load `spm_fimware.bin`
+Use CBFS to load `spm_fimware.bin` to DRAM and SPM DMA loads it from dram to SPM SRAM.
+
+## Return values
+No return value.
+
+## Version
+`$ strings spm_firmware.bin | grep pcm_suspend`
+
+--------------------------------------------------------------------------------
diff --git a/soc/mediatek/mt8188/spm_firmware.bin b/soc/mediatek/mt8188/spm_firmware.bin
new file mode 100644
index 0000000..0a22d2b
--- /dev/null
+++ b/soc/mediatek/mt8188/spm_firmware.bin
diff --git a/soc/mediatek/mt8188/spm_firmware.bin.md5 b/soc/mediatek/mt8188/spm_firmware.bin.md5
new file mode 100644
index 0000000..1085ab1
--- /dev/null
+++ b/soc/mediatek/mt8188/spm_firmware.bin.md5
@@ -0,0 +1 @@
+e5f3d221be6b549368c7aee91fcad274 *spm_firmware.bin
diff --git a/soc/mediatek/mt8188/spm_release_notes.txt b/soc/mediatek/mt8188/spm_release_notes.txt
new file mode 100644
index 0000000..2ecbabb
--- /dev/null
+++ b/soc/mediatek/mt8188/spm_release_notes.txt
@@ -0,0 +1,4 @@
+** Build from MediaTek Internal **
+
+# pcm_suspend_20220705_v2_MP
+1. SPM suspend can turn 26M clock off when system goes into suspend.