diff mbox series

[1/5] dt-bindings: power: Add Allwinner H6/H616 PRCM PPU

Message ID 20250221005802.11001-2-andre.przywara@arm.com (mailing list archive)
State New
Headers show
Series arm64: sunxi: h616: Enable Mali GPU | expand

Commit Message

Andre Przywara Feb. 21, 2025, 12:57 a.m. UTC
The Allwinner H6 and some later SoCs contain some bits in the PRCM (Power
Reset Clock Management) block that control some power domains.
Those power domains include the one for the GPU, the PLLs and some
analogue circuits.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 .../power/allwinner,sun50i-h6-prcm-ppu.yaml   | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml

Comments

Rob Herring (Arm) Feb. 21, 2025, 11:43 p.m. UTC | #1
On Fri, 21 Feb 2025 00:57:58 +0000, Andre Przywara wrote:
> The Allwinner H6 and some later SoCs contain some bits in the PRCM (Power
> Reset Clock Management) block that control some power domains.
> Those power domains include the one for the GPU, the PLLs and some
> analogue circuits.
> 
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
>  .../power/allwinner,sun50i-h6-prcm-ppu.yaml   | 42 +++++++++++++++++++
>  1 file changed, 42 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml b/Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml
new file mode 100644
index 0000000000000..7eaff9baf7268
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml
@@ -0,0 +1,42 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/allwinner,sun50i-h6-prcm-ppu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner SoCs PRCM power domain controller
+
+maintainers:
+  - Andre Przywara <andre.przywara@arm.com>
+
+description:
+  The Allwinner Power Reset Clock Management (PRCM) unit contains bits to
+  control a few power domains.
+
+properties:
+  compatible:
+    enum:
+      - allwinner,sun50i-h6-prcm-ppu
+      - allwinner,sun50i-h616-prcm-ppu
+      - allwinner,sun55i-a523-prcm-ppu
+
+  reg:
+    maxItems: 1
+
+  '#power-domain-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    prcm_ppu: power-controller@7010210 {
+        compatible = "allwinner,sun50i-h616-prcm-ppu";
+        reg = <0x07010250 0x10>;
+        #power-domain-cells = <1>;
+    };