[v5,1/5] dt-bindings: soc: sophgo: Add SG2044 top syscon device

Commit Message

Inochi Amaoto April 18, 2025, 2:03 a.m. UTC

The SG2044 top syscon device provide PLL clock control and some other
misc feature of the SoC.

Add the compatible string for SG2044 top syscon device.

Signed-off-by: Inochi Amaoto <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
---
 .../soc/sophgo/sophgo,sg2044-top-syscon.yaml  | 49 +++++++++++++++++++
 include/dt-bindings/clock/sophgo,sg2044-pll.h | 27 ++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2044-top-syscon.yaml
 create mode 100644 include/dt-bindings/clock/sophgo,sg2044-pll.h

Patch

diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2044-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2044-top-syscon.yaml
new file mode 100644
index 000000000000..a82cc3cae576
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2044-top-syscon.yaml
@@ -0,0 +1,49 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/sophgo/sophgo,sg2044-top-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2044 SoC TOP system controller
+
+maintainers:
+  - Inochi Amaoto <[e-mail]>
+
+description:
+  The Sophgo SG2044 TOP system controller is a hardware block grouping
+  multiple small functions, such as clocks and some other internal
+  function.
+
+properties:
+  compatible:
+    items:
+      - const: sophgo,sg2044-top-syscon
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/sophgo,sg2044-pll.h> for valid clock.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@50000000 {
+      compatible = "sophgo,sg2044-top-syscon", "syscon";
+      reg = <0x50000000 0x1000>;
+      #clock-cells = <1>;
+      clocks = <&osc>;
+    };
diff --git a/include/dt-bindings/clock/sophgo,sg2044-pll.h b/include/dt-bindings/clock/sophgo,sg2044-pll.h
new file mode 100644
index 000000000000..817d45e700cc
--- /dev/null
+++ b/include/dt-bindings/clock/sophgo,sg2044-pll.h
@@ -0,0 +1,27 @@ 
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (C) 2024 Inochi Amaoto <[e-mail]>
+ */
+
+#ifndef __DT_BINDINGS_SOPHGO_SG2044_PLL_H__
+#define __DT_BINDINGS_SOPHGO_SG2044_PLL_H__
+
+#define CLK_FPLL0			0
+#define CLK_FPLL1			1
+#define CLK_FPLL2			2
+#define CLK_DPLL0			3
+#define CLK_DPLL1			4
+#define CLK_DPLL2			5
+#define CLK_DPLL3			6
+#define CLK_DPLL4			7
+#define CLK_DPLL5			8
+#define CLK_DPLL6			9
+#define CLK_DPLL7			10
+#define CLK_MPLL0			11
+#define CLK_MPLL1			12
+#define CLK_MPLL2			13
+#define CLK_MPLL3			14
+#define CLK_MPLL4			15
+#define CLK_MPLL5			16
+
+#endif /* __DT_BINDINGS_SOPHGO_SG2044_PLL_H__ */