linux-kernel - [PATCH v2 1/3] dt-bindings: soc: spacemit: Add spacemit,k1-syscon

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Message-ID:
 <SEYPR01MB42212A60B191731DF9759B7DD7602@SEYPR01MB4221.apcprd01.prod.exchangelabs.com>
Date: Mon, 16 Sep 2024 22:23:08 +0000
From: Haylen Chu <heylenay@...look.com>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-riscv@...ts.infradead.org,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Inochi Amaoto <inochiama@...look.com>,
	Chen Wang <unicornxdotw@...mail.com>,
	Jisheng Zhang <jszhang@...nel.org>,
	Haylen Chu <heylenay@...look.com>
Subject: [PATCH v2 1/3] dt-bindings: soc: spacemit: Add spacemit,k1-syscon

Add documentation to describe Spacemit K1 system controller registers.

Signed-off-by: Haylen Chu <heylenay@...look.com>
---
 .../soc/spacemit/spacemit,k1-syscon.yaml      | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml

diff --git a/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
new file mode 100644
index 000000000000..4e3a72b48aff
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/spacemit/spacemit,k1-syscon.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/spacemit/spacemit,k1-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Spacemit K1 SoC System Controller
+
+maintainers:
+  - Haylen Chu <heylenay@...look.com>
+
+description:
+  The Spacemit K1 SoC system controller provides access to shared register files
+  for related SoC modules, such as clock controller and reset controller.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - spacemit,k1-apbc-syscon
+          - spacemit,k1-apbs-syscon
+          - spacemit,k1-apmu-syscon
+          - spacemit,k1-mpmu-syscon
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    syscon_mpmu: system-controller@...50000 {
+        compatible = "spacemit,mpmu-syscon", "syscon", "simple-mfd";
+        reg = <0xd4050000 0x209c>;
+    };
-- 
2.46.0