linux-kernel - [PATCH v7 4/7] dt-bindings: clock: imx: Add documentation for i.MXRT1050 clock

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Date:   Tue, 11 Jan 2022 16:26:03 -0500
From:   Jesse Taube <mr.bossman075@...il.com>
To:     linux-imx@....com
Cc:     mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, ulf.hansson@...aro.org, aisheng.dong@....com,
        stefan@...er.ch, linus.walleij@...aro.org,
        gregkh@...uxfoundation.org, arnd@...db.de, olof@...om.net,
        soc@...nel.org, linux@...linux.org.uk, abel.vesa@....com,
        adrian.hunter@...el.com, jirislaby@...nel.org,
        giulio.benetti@...ettiengineering.com,
        nobuhiro1.iwamatsu@...hiba.co.jp, Mr.Bossman075@...il.com,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-serial@...r.kernel.org, Jesse Taube <mr.bossman075@...il.com>
Subject: [PATCH v7 4/7] dt-bindings: clock: imx: Add documentation for i.MXRT1050 clock

From: Jesse Taube <mr.bossman075@...il.com>

Add DT binding documentation for i.MXRT1050 clock driver.

Cc: Giulio Benetti <giulio.benetti@...ettiengineering.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@...il.com>
---
V1->V2:
* Replace macros with values
V2->V3:
* Remove anatop
* Use lpuart not gpt
* include imxrt1050-clock.h
* 2 space tabs to 4
* Remove oneOf enum
* Change maxItems to 2
V3->V4:
* Nothing done
V4->V5:
* Remove extra newline
* Rename ccm to clock-controller
* Change minItems to const
* Change minItems to description
* Rename file to add 1050
* Change commit description to just 1050
V5->V6:
* Add maxItems for clocks description
V6->V7:
* Nothing done
V7->V8:
* Nothing done
---
 .../bindings/clock/imxrt1050-clock.yaml       | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/imxrt1050-clock.yaml

diff --git a/Documentation/devicetree/bindings/clock/imxrt1050-clock.yaml b/Documentation/devicetree/bindings/clock/imxrt1050-clock.yaml
new file mode 100644
index 000000000000..35fd08c143f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/imxrt1050-clock.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/imxrt1050-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Clock bindings for Freescale i.MXRT
+
+maintainers:
+  - Giulio Benetti <giulio.benetti@...ettiengineering.com>
+  - Jesse Taube <Mr.Bossman075@...il.com>
+
+description: |
+  The clock consumer should specify the desired clock by having the clock
+  ID in its "clocks" phandle cell. See include/dt-bindings/clock/imxrt*-clock.h
+  for the full list of i.MXRT clock IDs.
+
+properties:
+  compatible:
+    const: fsl,imxrt1050-ccm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 2
+
+  clocks:
+    description: 24m osc
+    maxItems: 1
+
+  clock-names:
+    const: osc
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imxrt1050-clock.h>
+
+    clks: clock-controller@...fc000 {
+        compatible = "fsl,imxrt1050-ccm";
+        reg = <0x400fc000 0x4000>;
+        interrupts = <95>, <96>;
+        clocks = <&osc>;
+        clock-names = "osc";
+        #clock-cells = <1>;
+    };
+
+    lpuart1: serial@...84000 {
+        compatible = "fsl,imxrt1050-lpuart";
+        reg = <0x40184000 0x4000>;
+        interrupts = <20>;
+        clocks = <&clks IMXRT1050_CLK_LPUART1>;
+        clock-names = "ipg";
+    };
-- 
2.34.1