linux-kernel - [PATCH 1/2] dt-binding: misc: Add iop yaml file for Sunplus SP7021

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Message-Id: <1637131687-23000-2-git-send-email-tony.huang@sunplus.com>
Date:   Wed, 17 Nov 2021 14:48:06 +0800
From:   Tony Huang <tonyhuang.sunplus@...il.com>
To:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, derek.kiernan@...inx.com,
        dragan.cvetic@...inx.com, arnd@...db.de, gregkh@...uxfoundation.org
Cc:     wells.lu@...plus.com, Tony Huang <tony.huang@...plus.com>
Subject: [PATCH 1/2] dt-binding: misc: Add iop yaml file for Sunplus SP7021

Add iop yaml file for Sunplus SP7021

Signed-off-by: Tony Huang <tony.huang@...plus.com>
---
 .../devicetree/bindings/misc/sunplus-iop.yaml      | 59 ++++++++++++++++++++++
 MAINTAINERS                                        |  5 ++
 2 files changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/sunplus-iop.yaml

diff --git a/Documentation/devicetree/bindings/misc/sunplus-iop.yaml b/Documentation/devicetree/bindings/misc/sunplus-iop.yaml
new file mode 100644
index 0000000..0bd6efe
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/sunplus-iop.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Ltd. Co. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/misc/sunplus-iop.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus IOP(8051) controller
+
+maintainers:
+  - Tony Huang <tony.huang@...plus.com>
+
+description: |
+  Processor for I/O control, RTC wake-up procedure management,
+  and cooperation with CPU&PMC in power management.
+
+properties:
+  compatible:
+    enum:
+      - sunplus,sp7021-iop
+
+  reg:
+    items:
+      - description: IOP registers regions
+      - description: PMC registers regions
+
+  reg-names:
+    items:
+      - const: iop
+      - const: iop_pmc
+
+  interrupts:
+    maxItems: 2
+
+  memory-region:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - memory-region
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    iop: iop@...00400 {
+        compatible = "sunplus,sp7021-iop";
+        reg = <0x9c000400 0x80>, <0x9c003100 0x80>;
+        reg-names = "iop", "iop_pmc";
+        interrupt-parent = <&intc>;
+        interrupts = <41 IRQ_TYPE_LEVEL_HIGH>, <42 IRQ_TYPE_LEVEL_HIGH>;
+        memory-region = <&iop_reserve>;
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 3b79fd4..ef7dcbc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17945,6 +17945,11 @@ L:	netdev@...r.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/dlink/sundance.c
 
+SUNPLUS IOP DRIVER
+M:	Tony Huang <tony.huang@...plus.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/misc/sunplu-iop.yaml
+
 SUPERH
 M:	Yoshinori Sato <ysato@...rs.sourceforge.jp>
 M:	Rich Felker <dalias@...c.org>
-- 
2.7.4