openwrt/target/linux/starfive/patches-6.1/0037-dt-bindings-soc-starfive-Add-StarFive-syscon-module.patch

From 27d38dda7527414eb84ef471425e96c9d2566b38 Mon Sep 17 00:00:00 2001
From: William Qiu <william.qiu@starfivetech.com>
Date: Thu, 6 Apr 2023 15:46:13 +0800
Subject: [PATCH 037/122] dt-bindings: soc: starfive: Add StarFive syscon
 module

Add documentation to describe StarFive System Controller Registers.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
---
 .../soc/starfive/starfive,jh7110-syscon.yaml  | 58 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml

--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 SoC system controller
+
+maintainers:
+  - William Qiu <william.qiu@starfivetech.com>
+
+description: |
+  The StarFive JH7110 SoC system controller provides register information such
+  as offset, mask and shift to configure related modules such as MMC and PCIe.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - starfive,jh7110-aon-syscon
+              - starfive,jh7110-sys-syscon
+          - const: syscon
+          - const: simple-mfd
+      - items:
+          - const: starfive,jh7110-stg-syscon
+          - const: syscon
+
+  reg:
+    maxItems: 1
+
+  clock-controller:
+    $ref: /schemas/clock/starfive,jh7110-pll.yaml#
+    type: object
+
+  power-controller:
+    $ref: /schemas/power/starfive,jh7110-pmu.yaml#
+    type: object
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@10240000 {
+        compatible = "starfive,jh7110-stg-syscon", "syscon";
+        reg = <0x10240000 0x1000>;
+    };
+
+    syscon@13030000 {
+        compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd";
+        reg = <0x13030000 0x1000>;
+    };
+
+...
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19663,6 +19663,11 @@ S:	Supported
 F:	Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml
 F:	drivers/clk/starfive/clk-starfive-jh7110-pll.*
 
+STARFIVE JH7110 SYSCON
+M:	William Qiu <william.qiu@starfivetech.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
+
 STARFIVE JH71X0 CLOCK DRIVERS
 M:	Emil Renner Berthing <kernel@esmil.dk>
 M:	Hal Feng <hal.feng@starfivetech.com>
@@ -19693,6 +19698,7 @@ STARFIVE SOC DRIVER
 M:	Conor Dooley <conor@kernel.org>
 S:	Maintained
 T:	git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
+F:	Documentation/devicetree/bindings/soc/starfive/
 F:	drivers/soc/starfive/
 F:	include/soc/starfive/