linux-kernel - [PATCH v2 1/2] dt-bindings: reset: Document BCM7216 RESCAL reset controller

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Date:   Thu,  2 Jan 2020 15:14:34 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jim Quinlan <jim2101024@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM BCM7XXX ARM
        ARCHITECTURE),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM7XXX
        ARM ARCHITECTURE)
Subject: [PATCH v2 1/2] dt-bindings: reset: Document BCM7216 RESCAL reset controller

From: Jim Quinlan <jim2101024@...il.com>

BCM7216 has a special purpose RESCAL reset controller for its SATA and
PCIe0/1 instances. This is a simple reset controller with #reset-cells
set to 0.

Signed-off-by: Jim Quinlan <jim2101024@...il.com>
[florian: Convert to YAML binding]
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../reset/brcm,bcm7216-pcie-sata-rescal.yaml  | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml

diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml
new file mode 100644
index 000000000000..411bd76f1b64
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2020 Broadcom
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/reset/brcm,bcm7216-pcie-sata-rescal.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: BCM7216 RESCAL reset controller
+
+description: This document describes the BCM7216 RESCAL reset controller which is responsible for controlling the reset of the SATA and PCIe0/1 instances on BCM7216.
+
+maintainers:
+  - Florian Fainelli <f.fainelli@...il.com>
+  - Jim Quinlan <jim2101024@...il.com>
+
+properties:
+  compatible:
+    const: brcm,bcm7216-pcie-sata-rescal
+
+  reg:
+    maxItems: 1
+
+  "#reset-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - "#reset-cells"
+
+examples:
+  - |
+    reset-controller@...c800 {
+          compatible = "brcm,bcm7216-pcie-sata-rescal";
+          reg = <0x8b2c800 0x10>;
+          #reset-cells = <0>;
+    };
-- 
2.17.1