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-Freescale i.MX General Power Controller v2
-==========================================
-
-The i.MX7S/D General Power Control (GPC) block contains Power Gating
-Control (PGC) for various power domains.
-
-Required properties:
-
-- compatible: Should be one of:
- - "fsl,imx7d-gpc"
- - "fsl,imx8mq-gpc"
-
-- reg: should be register base and length as documented in the
- datasheet
-
-- interrupts: Should contain GPC interrupt request 1
-
-Power domains contained within GPC node are generic power domain
-providers, documented in
-Documentation/devicetree/bindings/power/power-domain.yaml, which are
-described as subnodes of the power gating controller 'pgc' node,
-which, in turn, is expected to contain the following:
-
-Required properties:
-
-- reg: Power domain index. Valid values are defined in
- include/dt-bindings/power/imx7-power.h for fsl,imx7d-gpc and
- include/dt-bindings/power/imx8m-power.h for fsl,imx8mq-gpc
-
-- #power-domain-cells: Should be 0
-
-Optional properties:
-
-- power-supply: Power supply used to power the domain
-- clocks: a number of phandles to clocks that need to be enabled during
- domain power-up sequencing to ensure reset propagation into devices
- located inside this power domain
-
-Example:
-
- gpc: gpc@303a0000 {
- compatible = "fsl,imx7d-gpc";
- reg = <0x303a0000 0x1000>;
- interrupt-controller;
- interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
- #interrupt-cells = <3>;
- interrupt-parent = <&intc>;
-
- pgc {
- #address-cells = <1>;
- #size-cells = <0>;
-
- pgc_pcie_phy: power-domain@1 {
- #power-domain-cells = <0>;
-
- reg = <1>;
- power-supply = <&reg_1p0d>;
- };
- };
- };
-
-
-Specifying power domain for IP modules
-======================================
-
-IP cores belonging to a power domain should contain a 'power-domains'
-property that is a phandle for PGC node representing the domain.
-
-Example of a device that is part of the PCIE_PHY power domain:
-
- pcie: pcie@33800000 {
- reg = <0x33800000 0x4000>,
- <0x4ff00000 0x80000>;
- /* ... */
- power-domains = <&pgc_pcie_phy>;
- /* ... */
- };