[PATCH 1/3] dt-bindings: power: Add MediaTek MT6858 power domain controller

From: Nikolai Burov via B4 Relay

Date: Tue Jul 14 2026 - 09:48:07 EST


From: Nikolai Burov <nikolai.burov@xxxxxxxxx>

Add a new compatible and document bindings for the power domain
controller of the MT6858 SoC.

Signed-off-by: Nikolai Burov <nikolai.burov@xxxxxxxxx>
---
.../bindings/power/mediatek,power-controller.yaml | 21 +++++++++++++++++++-
include/dt-bindings/power/mediatek,mt6858-power.h | 23 ++++++++++++++++++++++
2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
index 07f046277f8a..eecb95323bfb 100644
--- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
@@ -25,6 +25,7 @@ properties:
enum:
- mediatek,mt6735-power-controller
- mediatek,mt6795-power-controller
+ - mediatek,mt6858-power-controller
- mediatek,mt6893-power-controller
- mediatek,mt8167-power-controller
- mediatek,mt8173-power-controller
@@ -55,7 +56,7 @@ properties:
faults while enabling or disabling a power domain.
For example, this may hold phandles to INFRACFG and SMI.
minItems: 1
- maxItems: 3
+ maxItems: 6

patternProperties:
"^power-domain@[0-9a-f]+$":
@@ -102,6 +103,7 @@ $defs:
description: |
Power domain index. Valid values are defined in:
"include/dt-bindings/power/mt6795-power.h" - for MT8167 type power domain.
+ "include/dt-bindings/power/mediatek,mt6858-power.h" - for MT6858 type power domain.
"include/dt-bindings/power/mediatek,mt6893-power.h" - for MT6893 type power domain.
"include/dt-bindings/power/mt8167-power.h" - for MT8167 type power domain.
"include/dt-bindings/power/mt8173-power.h" - for MT8173 type power domain.
@@ -155,6 +157,23 @@ required:
- compatible

allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt6858-power-controller
+ then:
+ properties:
+ access-controllers:
+ items:
+ - description: handle to INFRACFG register block
+ - description: handle to IMG_SUB0 register block
+ - description: handle to CAM_SUB1 register block
+ - description: handle to CAM_SUB0 register block
+ - description: handle to IPE_SUB0 register block
+ - description: handle to VLPCFG register block
+
- if:
properties:
compatible:
diff --git a/include/dt-bindings/power/mediatek,mt6858-power.h b/include/dt-bindings/power/mediatek,mt6858-power.h
new file mode 100644
index 000000000000..6ed9e82d4ad3
--- /dev/null
+++ b/include/dt-bindings/power/mediatek,mt6858-power.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+
+#ifndef _DT_BINDINGS_POWER_MT6858_POWER_H
+#define _DT_BINDINGS_POWER_MT6858_POWER_H
+
+#define MT6858_POWER_DOMAIN_MD 0
+#define MT6858_POWER_DOMAIN_CONN 1
+#define MT6858_POWER_DOMAIN_AUDIO 2
+#define MT6858_POWER_DOMAIN_MM_INFRA 3
+#define MT6858_POWER_DOMAIN_ISP_IMG1 4
+#define MT6858_POWER_DOMAIN_ISP_IMG2 5
+#define MT6858_POWER_DOMAIN_ISP_IPE 6
+#define MT6858_POWER_DOMAIN_VDE0 7
+#define MT6858_POWER_DOMAIN_VEN0 8
+#define MT6858_POWER_DOMAIN_CAM_MAIN 9
+#define MT6858_POWER_DOMAIN_CAM_SUBA 10
+#define MT6858_POWER_DOMAIN_CAM_SUBB 11
+#define MT6858_POWER_DOMAIN_DIS0 12
+#define MT6858_POWER_DOMAIN_MM_PROC_DORMANT 13
+#define MT6858_POWER_DOMAIN_CSI_RX 14
+#define MT6858_POWER_DOMAIN_SSUSB 15
+
+#endif /* _DT_BINDINGS_POWER_MT6858_POWER_H */

--
2.54.0