lkml.org 
[lkml]   [2022]   [Aug]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v6 06/20] dt-bindings: power: mediatek: Add bindings for MediaTek SCPSYS
Date
The System Control Processor System (SCPSYS) has several power
management related tasks in the system. Add the bindings for it.

Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/mfd/mediatek,mt8195-scpsys.yaml | 67 +++++++++++++++++++
.../power/mediatek,power-controller.yaml | 2 +-
2 files changed, 68 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml

diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml
new file mode 100644
index 0000000000000..3737207d85046
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/mediatek,mt8195-scpsys.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/mediatek,mt8195-scpsys.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek System Control Processor System
+
+maintainers:
+ - MandyJH Liu <mandyjh.liu@mediatek.com>
+
+description:
+ MediaTek System Control Processor System (SCPSYS) has several
+ power management tasks. The tasks include MTCMOS power
+ domain control, thermal measurement, DVFS, etc.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt8167-scpsys
+ - mediatek,mt8173-scpsys
+ - mediatek,mt8183-scpsys
+ - mediatek,mt8192-scpsys
+ - mediatek,mt8195-scpsys
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ power-controller:
+ $ref: /schemas/power/mediatek,power-controller.yaml#
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt8195-clk.h>
+ #include <dt-bindings/power/mt8195-power.h>
+
+ syscon@10006000 {
+ compatible = "mediatek,mt8195-scpsys", "syscon", "simple-mfd";
+ reg = <0x10006000 0x100>;
+
+ spm: power-controller {
+ compatible = "mediatek,mt8195-power-controller";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #power-domain-cells = <1>;
+
+ /* sample of power domain nodes */
+ power-domain@MT8195_POWER_DOMAIN_PCIE_PHY {
+ reg = <MT8195_POWER_DOMAIN_PCIE_PHY>;
+ #power-domain-cells = <0>;
+ };
+
+ power-domain@MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY {
+ reg = <MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY>;
+ #power-domain-cells = <0>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
index 03b7f6aa591d4..605ec7ab5f633 100644
--- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
@@ -135,7 +135,7 @@ examples:
#size-cells = <2>;

scpsys: syscon@10006000 {
- compatible = "syscon", "simple-mfd";
+ compatible = "mediatek,mt8173-scpsys", "syscon", "simple-mfd";
reg = <0 0x10006000 0 0x1000>;

spm: power-controller {
--
2.18.0
\
 
 \ /
  Last update: 2022-08-11 05:00    [W:0.429 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site