linux-kernel - [PATCH V3 1/2] dt-bindings: clock: imx8m/imx93: introduce fsl,always-on-clocks property

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Date:   Tue, 13 Sep 2022 17:21:35 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        abelvesa@...nel.org, abel.vesa@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com
Cc:     linux-imx@....com, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH V3 1/2] dt-bindings: clock: imx8m/imx93: introduce fsl,always-on-clocks property

From: Peng Fan <peng.fan@....com>

i.MX8M Linux run on top of Jailhouse hypervisor, the root cell Linux
should not disable clocks used by inmate.

So introduce fsl,always-on-clocks for above case.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 Documentation/devicetree/bindings/clock/imx8m-clock.yaml | 4 ++++
 Documentation/devicetree/bindings/clock/imx93-clock.yaml | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/imx8m-clock.yaml b/Documentation/devicetree/bindings/clock/imx8m-clock.yaml
index 458c7645ee68..4b481737895d 100644
--- a/Documentation/devicetree/bindings/clock/imx8m-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx8m-clock.yaml
@@ -39,6 +39,10 @@ properties:
       ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8m-clock.h
       for the full list of i.MX8M clock IDs.
 
+  fsl,always-on-clocks:
+    description: List of the always-on-clocks.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
 required:
   - compatible
   - reg
diff --git a/Documentation/devicetree/bindings/clock/imx93-clock.yaml b/Documentation/devicetree/bindings/clock/imx93-clock.yaml
index 21a06194e4a3..2b35e8af1438 100644
--- a/Documentation/devicetree/bindings/clock/imx93-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx93-clock.yaml
@@ -43,6 +43,10 @@ properties:
       See include/dt-bindings/clock/imx93-clock.h for the full list of
       i.MX93 clock IDs.
 
+  fsl,always-on-clocks:
+    description: List of the always-on-clocks.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
 required:
   - compatible
   - reg
-- 
2.37.1