linux-kernel - [PATCH 2/4] dt-bindings: i3c: Describe Silvaco master binding

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Message-Id: <20200709080159.2178-2-miquel.raynal@bootlin.com>
Date:   Thu,  9 Jul 2020 10:01:57 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Boris Brezillon <boris.brezillon@...labora.com>,
        linux-i3c@...ts.infradead.org
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Conor Culhane <conor.culhane@...vaco.com>,
        Rajeev Huralikoppi <rajeev.huralikoppi@...vaco.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [PATCH 2/4] dt-bindings: i3c: Describe Silvaco master binding

Silvaco provide a dual-role I3C master.

Description is rather simple: it needs a register mapping, three
clocks and an interrupt.

Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
---
 .../bindings/i3c/svc,i3c-master.yaml          | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i3c/svc,i3c-master.yaml

diff --git a/Documentation/devicetree/bindings/i3c/svc,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/svc,i3c-master.yaml
new file mode 100644
index 000000000000..11e670c6b76f
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/svc,i3c-master.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/svc,i3c-master.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Silvaco I3C master
+
+maintainers:
+  - Conor Culhane <conor.culhane@...vaco.com>
+
+properties:
+  compatible:
+    const: svc,i3c-master
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clock-names:
+    description: |
+      There are three clocks:
+        pclk:     System clock
+        fast_clk: Fast clock (for the bus)
+        slow_clk: Slow clock (for other events)
+
+    items:
+      - const: pclk
+      - const: fast_clk
+      - const: slow_clk
+
+  clocks:
+    minItems: 3
+    maxItems: 3
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clock-names
+  - clocks
+
+examples:
+  - |
+    i3c-master@...00000 {
+        compatible = "svc,i3c-master";
+        clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>;
+        clock-names = "pclk", "fast_clk", "slow_clk";
+        interrupt-parent = <&gic>;
+        interrupts = <0 89 4>;
+        reg = <0x0 0xa0000000 0x0 0x1000>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
-- 
2.20.1