linux-kernel - [PATCH 6/7] dt-bindings: clock: xilinx: describe whether dynamic reconfig is enabled

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Message-ID: <20240720120048.36758-7-hpausten@protonmail.com>
Date: Sat, 20 Jul 2024 12:01:58 +0000
From: Harry Austen <hpausten@...tonmail.com>
To: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Michal Simek <michal.simek@....com>
Cc: Shubhrajyoti Datta <shubhrajyoti.datta@....com>, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Harry Austen <hpausten@...tonmail.com>
Subject: [PATCH 6/7] dt-bindings: clock: xilinx: describe whether dynamic reconfig is enabled

Xilinx clocking wizard IP core's dynamic reconfiguration support is
optionally enabled at build time. Add a devicetree boolean property to
describe whether the hardware supports this feature or not.

Signed-off-by: Harry Austen <hpausten@...tonmail.com>
---
 .../devicetree/bindings/clock/xlnx,clocking-wizard.yaml    | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml
index 4609bb56b06b5..890aeebf6f375 100644
--- a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml
+++ b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml
@@ -40,6 +40,12 @@ properties:
       - const: s_axi_aclk
 
 
+  xlnx,dynamic-reconfig:
+    type: boolean
+    description:
+      Indicate whether the core has been configured with support for dynamic
+      runtime reconfguration of the clocking primitive MMCM/PLL.
+
   xlnx,speed-grade:
     $ref: /schemas/types.yaml#/definitions/uint32
     enum: [1, 2, 3]
@@ -88,6 +94,7 @@ examples:
         compatible = "xlnx,clocking-wizard-v6.0";
         reg = <0xb0000000 0x10000>;
         #clock-cells = <1>;
+        xlnx,dynamic-reconfig;
         xlnx,speed-grade = <1>;
         xlnx,nr-outputs = <6>;
         clock-names = "clk_in1", "s_axi_aclk";
-- 
2.45.2