[PATCH v4 1/5] dt-bindings: soc: sophgo: Add SG2044 top syscon device

Inochi Amaoto
2025-04-13T22:45:38Z

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 <inochiama@gmail.com>
---
.../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

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 <inochiama@gmail.com>
+
+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 <inochiama@gmail.com>
+ */
+
+#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__ */
--
2.49.0