[PATCH v2 5/9] dt-bindings: soc: add binding for i.MX8MP HSIO blk-ctrl
Lucas Stach
l.stach at pengutronix.de
Mon Feb 7 11:25:43 PST 2022
This adds the binding for the HSIO blk-ctrl on the i.MX8MP SoC.
Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
.../soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml | 78 +++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml
diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml
new file mode 100644
index 000000000000..c1e29d94f40e
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8MP HSIO blk-ctrl
+
+maintainers:
+ - Lucas Stach <l.stach at pengutronix.de>
+
+description:
+ The i.MX8MP HSIO blk-ctrl is a top-level peripheral providing access to
+ the NoC and ensuring proper power sequencing of the high-speed IO
+ (USB an PCIe) peripherals located in the HSIO domain of the SoC.
+
+properties:
+ compatible:
+ items:
+ - const: fsl,imx8mp-hsio-blk-ctrl
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ '#power-domain-cells':
+ const: 1
+
+ power-domains:
+ minItems: 6
+ maxItems: 6
+
+ power-domain-names:
+ items:
+ - const: bus
+ - const: usb
+ - const: usb-phy1
+ - const: usb-phy2
+ - const: pcie
+ - const: pcie-phy
+
+ clocks:
+ minItems: 2
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: usb
+ - const: pcie
+
+required:
+ - compatible
+ - reg
+ - power-domains
+ - power-domain-names
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/power/imx8mp-power.h>
+
+ hsio_blk_ctrl: blk-ctrl at 32f10000 {
+ compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
+ reg = <0x32f10000 0x24>;
+ clocks = <&clk IMX8MP_CLK_USB_ROOT>,
+ <&clk IMX8MP_CLK_PCIE_ROOT>;
+ clock-names = "usb", "pcie";
+ power-domains = <&pgc_hsiomix>, <&pgc_hsiomix>,
+ <&pgc_usb1_phy>, <&pgc_usb2_phy>,
+ <&pgc_hsiomix>, <&pgc_pcie_phy>;
+ power-domain-names = "bus", "usb", "usb-phy1",
+ "usb-phy2", "pcie", "pcie-phy";
+ #power-domain-cells = <1>;
+ };
--
2.30.2
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