[PATCH V3 02/10] dt-bindings: soc: add binding for i.MX8MQ VPU blk-ctrl

Adam Ford
2022-01-24T02:33:36Z

From: Lucas Stach <l.stach@pengutronix.de>

This adds the DT binding for the i.MX8MQ VPU blk-ctrl.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mq-vpu-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mq-vpu-blk-ctrl.yaml
new file mode 100644
index 000000000000..7263ebedf09f
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mq-vpu-blk-ctrl.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/fsl,imx8mq-vpu-blk-ctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8MQ VPU blk-ctrl
+
+maintainers:
+ - Lucas Stach <l.stach@pengutronix.de>
+
+description:
+ The i.MX8MQ VPU blk-ctrl is a top-level peripheral providing access to
+ the NoC and ensuring proper power sequencing of the VPU peripherals
+ located in the VPU domain of the SoC.
+
+properties:
+ compatible:
+ items:
+ - const: fsl,imx8mq-vpu-blk-ctrl
+
+ reg:
+ maxItems: 1
+
+ '#power-domain-cells':
+ const: 1
+
+ power-domains:
+ minItems: 3
+ maxItems: 3
+
+ power-domain-names:
+ items:
+ - const: bus
+ - const: g1
+ - const: g2
+
+ clocks:
+ minItems: 2
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: g1
+ - const: g2
+
+required:
+ - compatible
+ - reg
+ - power-domains
+ - power-domain-names
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/power/imx8mq-power.h>
+
+ vpu_blk_ctrl: blk-ctrl@38320000 {
+ compatible = "fsl,imx8mq-vpu-blk-ctrl";
+ reg = <0x38320000 0x100>;
+ power-domains = <&pgc_vpu>, <&pgc_vpu>, <&pgc_vpu>;
+ power-domain-names = "bus", "g1", "g2";
+ clocks = <&clk IMX8MQ_CLK_VPU_G1_ROOT>,
+ <&clk IMX8MQ_CLK_VPU_G2_ROOT>;
+ clock-names = "g1", "g2";
+ #power-domain-cells = <1>;
+ };