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Diffstat (limited to 'Documentation/devicetree/bindings/soc/fsl/fsl,rcpm.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/soc/fsl/fsl,rcpm.yaml | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,rcpm.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,rcpm.yaml new file mode 100644 index 000000000000..03d71ab930d7 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/fsl,rcpm.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/fsl/fsl,rcpm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Run Control and Power Management + +description: + The RCPM performs all device-level tasks associated with device run control + and power management. + +maintainers: + - Frank Li <Frank.Li@nxp.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - fsl,p2041-rcpm + - fsl,p3041-rcpm + - fsl,p4080-rcpm + - fsl,p5020-rcpm + - fsl,p5040-rcpm + - const: fsl,qoriq-rcpm-1.0 + - items: + - enum: + - fsl,b4420-rcpm + - fsl,b4860-rcpm + - fsl,t4240-rcpm + - const: fsl,qoriq-rcpm-2.0 + - items: + - enum: + - fsl,t1040-rcpm + - const: fsl,qoriq-rcpm-2.1 + - items: + - enum: + - fsl,ls1012a-rcpm + - fsl,ls1021a-rcpm + - fsl,ls1028a-rcpm + - fsl,ls1043a-rcpm + - fsl,ls1046a-rcpm + - fsl,ls1088a-rcpm + - fsl,ls208xa-rcpm + - fsl,lx2160a-rcpm + - const: fsl,qoriq-rcpm-2.1+ + + reg: + maxItems: 1 + + "#fsl,rcpm-wakeup-cells": + description: | + The number of IPPDEXPCR register cells in the + fsl,rcpm-wakeup property. + + Freescale RCPM Wakeup Source Device Tree Bindings + + Required fsl,rcpm-wakeup property should be added to a device node if + the device can be used as a wakeup source. + + fsl,rcpm-wakeup: Consists of a phandle to the rcpm node and the IPPDEXPCR + register cells. The number of IPPDEXPCR register cells is defined in + "#fsl,rcpm-wakeup-cells" in the rcpm node. The first register cell is + the bit mask that should be set in IPPDEXPCR0, and the second register + cell is for IPPDEXPCR1, and so on. + + Note: IPPDEXPCR(IP Powerdown Exception Control Register) provides a + mechanism for keeping certain blocks awake during STANDBY and MEM, in + order to use them as wake-up sources. + + little-endian: + $ref: /schemas/types.yaml#/definitions/flag + description: + RCPM register block is Little Endian. Without it RCPM + will be Big Endian (default case). + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + global-utilities@e2000 { + compatible = "fsl,t4240-rcpm", "fsl,qoriq-rcpm-2.0"; + reg = <0xe2000 0x1000>; + #fsl,rcpm-wakeup-cells = <2>; + }; |