[PATCH 3/4] [PATCH 3/4] dt-bindings: cp110: Document the reset controller
From: Wilson Ding <hidden>
Date: 2025-02-14 06:59:06
Also in:
linux-devicetree, lkml
Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add new compatible to be used for CP110's reset controller, and document
the supported reset lines.
Signed-off-by: Wilson Ding <redacted>
---
.../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