[PATCH 3/4] [PATCH 3/4] dt-bindings: cp110: Document the reset controller
From: Wilson Ding
Date: Fri Feb 14 2025 - 01:59:16 EST
Add new compatible to be used for CP110's reset controller, and document
the supported reset lines.
Signed-off-by: Wilson Ding <dingwei@xxxxxxxxxxx>
---
.../arm/marvell/cp110-system-controller.txt | 32 +++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
index 9d5d70c98058..a5cc1360969c 100644
--- a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
@@ -190,6 +190,38 @@ CP110_LABEL(syscon0): system-controller@440000 {
};
+Reset:
+------
+
+The Device Tree node representing this System Controller 0 provides a
+number of reset lines:
+
+The following reset lines are available:
+
+- 0: Audio Software RESETn
+- 1: TDM Software RESETn
+- 2: Interrupt controller unit Software RESETn
+- 3: Packet processor Software RESETn
+- 4: SDIO Software RESETn
+- 7: XOR-1 engine Software RESETn
+- 8: XOR-0 engine Software RESETn
+- 11: PCIe-0 Gen.3 x1 Software RESETn
+- 12: PCIe-1 Gen.3 x1 Software RESETn
+- 13: PCIe Gen.3 x4 Software RESETn
+- 15: SATA port 0 and port 1 Software RESETn
+- 22: USB3 Host 0 Software RESETn
+- 23: USB3 Host 1 Software RESETn
+- 24: USB3 Device Software RESETn
+- 25: EIP150F Software RESETn
+- 26: EIP197 Software RESETn
+- 29: MSS Software RESETn
+
+Required properties:
+
+ - compatible: must be:
+ "marvell,armada8k-reset"
+ - #reset-cells: must be set to 1
+
SYSTEM CONTROLLER 1
===================
--
2.43.0