[v6,2/4] dt-bindings: clock: support i.MX95 BLK CTL module

Commit Message

Peng Fan (OSS) April 1, 2024, 1:28 p.m. UTC

From: Peng Fan <[e-mail]>

i.MX95 includes BLK CTL module in several MIXes, such as VPU_CSR in
VPUMIX, CAMERA_CSR in CAMERAMIX and etc.

The BLK CTL module is used for various settings of a specific MIX, such
as clock, QoS and etc.

This patch is to add some BLK CTL modules that has clock features.

Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Peng Fan <[e-mail]>
---
 .../bindings/clock/nxp,imx95-blk-ctl.yaml          | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)

Patch

diff --git a/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml b/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml
new file mode 100644
index 000000000000..2dffc02dcd8b
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml
@@ -0,0 +1,56 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/nxp,imx95-blk-ctl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX95 Block Control
+
+maintainers:
+  - Peng Fan <[e-mail]>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - nxp,imx95-lvds-csr
+          - nxp,imx95-display-csr
+          - nxp,imx95-camera-csr
+          - nxp,imx95-vpu-csr
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+    description:
+      The clock consumer should specify the desired clock by having the clock
+      ID in its "clocks" phandle cell. See
+      include/dt-bindings/clock/nxp,imx95-clock.h
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+  - power-domains
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@4c410000 {
+      compatible = "nxp,imx95-vpu-csr", "syscon";
+      reg = <0x4c410000 0x10000>;
+      #clock-cells = <1>;
+      clocks = <&scmi_clk 114>;
+      power-domains = <&scmi_devpd 21>;
+    };
+...