linux-kernel - [PATCH v1] dt-bindings: timer: fsl,imxgpt: add optional osc

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Date:   Tue,  3 Aug 2021 09:29:58 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH v1] dt-bindings: timer: fsl,imxgpt: add optional osc_per clock

Add optional osc_per and fix dts validation warnings on imx6 SoCs.

Fixes: df8cad689eae ("dt-bindings: timer: Convert i.MX GPT to json-schema")
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../devicetree/bindings/timer/fsl,imxgpt.yaml   | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
index a4f51f46b7a1..e496dd9f4988 100644
--- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
+++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
@@ -43,11 +43,15 @@ properties:
     items:
       - description: SoC GPT ipg clock
       - description: SoC GPT per clock
+      - description: optional SoC GPT oscillator
+    minItems: 2
 
   clock-names:
     items:
       - const: ipg
       - const: per
+      - const: osc_per
+    minItems: 2
 
 required:
   - compatible
@@ -70,3 +74,16 @@ examples:
                  <&clks IMX27_CLK_PER1_GATE>;
         clock-names = "ipg", "per";
     };
+
+  - |
+    #include <dt-bindings/clock/imx6qdl-clock.h>
+
+    timer@...8000 {
+        compatible = "fsl,imx6q-gpt", "fsl,imx31-gpt";
+        reg = <0x02098000 0x4000>;
+        interrupts = <26>;
+        clocks = <&clks IMX6QDL_CLK_GPT_IPG>,
+                 <&clks IMX6QDL_CLK_GPT_IPG_PER>,
+                 <&clks IMX6QDL_CLK_GPT_3M>;
+        clock-names = "ipg", "per", "osc_per";
+    };
-- 
2.30.2