From: Rafał Miłecki <rafal@xxxxxxxxxx> Broadcom's PMB is power controller used for disabling and enabling SoC devices. Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- .../bindings/power/brcm,bcm-pmb.yaml | 50 +++++++++++++++++++ include/dt-bindings/soc/bcm-pmb.h | 11 ++++ 2 files changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml create mode 100644 include/dt-bindings/soc/bcm-pmb.h diff --git a/Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml b/Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml new file mode 100644 index 000000000000..40b08d83c80b --- /dev/null +++ b/Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/brcm,bcm-pmb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom PMB (Power Management Bus) controller + +description: This document describes Broadcom's PMB controller. It supports + powering various types of connected devices (e.g. PCIe, USB, SATA). + +maintainers: + - Rafał Miłecki <rafal@xxxxxxxxxx> + +properties: + compatible: + enum: + - brcm,bcm4908-pmb + + reg: + description: register space of one or more buses + maxItems: 1 + + big-endian: + $ref: /schemas/types.yaml#/definitions/flag + description: Flag to use for block working in big endian mode. + + "#power-domain-cells": + description: cell specifies device ID (see bcm-pmb.h) + const: 1 + +required: + - reg + - "#power-domain-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/soc/bcm-pmb.h> + + pmb: power-controller@802800e0 { + compatible = "brcm,bcm4908-pmb"; + reg = <0x802800e0 0x40>; + #power-domain-cells = <1>; + }; + + foo { + power-domains = <&pmb BCM_PMB_PCIE0>; + }; diff --git a/include/dt-bindings/soc/bcm-pmb.h b/include/dt-bindings/soc/bcm-pmb.h new file mode 100644 index 000000000000..744dc3af4d41 --- /dev/null +++ b/include/dt-bindings/soc/bcm-pmb.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */ + +#ifndef __DT_BINDINGS_SOC_BCM_PMB_H +#define __DT_BINDINGS_SOC_BCM_PMB_H + +#define BCM_PMB_PCIE0 0x01 +#define BCM_PMB_PCIE1 0x02 +#define BCM_PMB_PCIE2 0x03 +#define BCM_PMB_HOST_USB 0x04 + +#endif -- 2.26.2
