From e280f213bfba8de1b6dd0da45c4cd04e647bb56e Mon Sep 17 00:00:00 2001
From: GuEe-GUI <2991707448@qq.com>
Date: Mon, 15 Jun 2026 11:21:24 +0800
Subject: [dm][dvfs] support Dynamic Voltage and Frequency Scaling (DVFS)

1. Support DVFS and finsh cmd, there are 6 governors:
   - conservative
   - freedom
   - performance
   - powersave
   - schedutil
2. Support DVFS for SCMI.
3. Port the Cooling device for DVFS.
4. Port the PM with DVFS.

Signed-off-by: GuEe-GUI <2991707448@qq.com>
---
 include/rtdef.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include')

diff --git a/include/rtdef.h b/include/rtdef.h
index db711aadff..ab97aeb917 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -1377,6 +1377,9 @@ struct rt_device
     void *ofw_node;                                     /**< ofw node get from device tree */
 #endif /* RT_USING_OFW */
     void *power_domain_unit;
+#ifdef RT_USING_DVFS
+    void *dvfs_scaling;
+#endif
 #ifdef RT_USING_DMA
     const void *dma_ops;
 #endif
-- 
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