linux-kernel - [PATCH v5 02/14] dt-bindings: clk: imx: Add fsl,scu-clk yaml file

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Message-Id: <20220616164303.790379-3-viorel.suman@nxp.com>
Date:   Thu, 16 Jun 2022 19:42:51 +0300
From:   Viorel Suman <viorel.suman@....com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Fabio Estevam <festevam@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Stefan Agner <stefan@...er.ch>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Abel Vesa <abelvesa@...nel.org>,
        Viorel Suman <viorel.suman@....com>,
        Oliver Graute <oliver.graute@...oconnector.com>,
        Mirela Rabulea <mirela.rabulea@....com>,
        Peng Fan <peng.fan@....com>, Liu Ying <victor.liu@....com>,
        Ming Qian <ming.qian@....com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, 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,
        linux-arm-kernel@...ts.infradead.org
Cc:     Abel Vesa <abel.vesa@....com>
Subject: [PATCH v5 02/14] dt-bindings: clk: imx: Add fsl,scu-clk yaml file

From: Abel Vesa <abel.vesa@....com>

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>
Signed-off-by: Viorel Suman <viorel.suman@....com>
---
 .../bindings/clock/fsl,scu-clk.yaml           | 58 +++++++++++++++++++
 1 file changed, 58 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..8b59758eee4a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml
@@ -0,0 +1,58 @@
+# 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:
+    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
+
+examples:
+  - |
+    clock-controller {
+           compatible = "fsl,imx8qxp-clk", "fsl,scu-clk";
+           #clock-cells = <2>;
+    };
-- 
2.25.1