linux-kernel - [PATCH v3 02/10] dt-bindings: clk: imx: Add fsl,scu-clk yaml file

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Date:   Thu,  9 Jun 2022 17:34:15 +0300
From:   Abel Vesa <abel.vesa@....com>
To:     Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Guenter Roeck <linux@...ck-us.net>,
        Stefan Agner <stefan@...er.ch>
Cc:     Stephen Boyd <sboyd@...nel.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        NXP Linux Team <linux-imx@....com>,
        linux-clk@...r.kernel.org, linux-input@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-rtc@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: [PATCH v3 02/10] dt-bindings: clk: imx: Add fsl,scu-clk yaml file

In order to replace the fsl,scu txt file from bindings/arm/freescale,
we need to split it between the right subsystems. This patch documents
separately the 'clock' child node of the SCU main node.

Signed-off-by: Abel Vesa <abel.vesa@....com>
---
 .../bindings/clock/fsl,scu-clk.yaml           | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml

diff --git a/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml b/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml
new file mode 100644
index 000000000000..c5902733b7cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/fsl,scu-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX SCU Client Device Node - Clock bindings based on SCU Message Protocol
+
+maintainers:
+  - Abel Vesa <abel.vesa@....com>
+
+description: i.MX SCU Client Device Node
+  Client nodes are maintained as children of the relevant IMX-SCU device node.
+  This binding uses the common clock binding.
+  (Documentation/devicetree/bindings/clock/clock-bindings.txt)
+  The clock consumer should specify the desired clock by having the clock
+  ID in its "clocks" phandle cell.
+  See the full list of clock IDs from
+  include/dt-bindings/clock/imx8qxp-clock.h
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - fsl,imx8dxl-clk
+              - fsl,imx8qm-clk
+              - fsl,imx8qxp-clk
+          - const: fsl,scu-clk
+
+  '#clock-cells':
+    const: 2
+
+  clocks:
+    items:
+      - description: XTAL 32KHz
+      - description: XTAL 24MHz
+    minItems: 1
+
+  clock-names:
+    items:
+      enum:
+        - xtal_32KHz
+        - xtal_24Mhz
+    minItems: 1
+    maxItems: 2
+
+required:
+  - compatible
+  - '#clock-cells'
+
+additionalProperties: false
-- 
2.34.3