From: Rafał Miłecki <rafal@xxxxxxxxxx> Broadcom's PMB is reset controller used for disabling and enabling SoC devices. Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- .../devicetree/bindings/reset/brcm,pmb.yaml | 51 +++++++++++++++++++ include/dt-bindings/reset/brcm,pmb.h | 9 ++++ 2 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/brcm,pmb.yaml create mode 100644 include/dt-bindings/reset/brcm,pmb.h diff --git a/Documentation/devicetree/bindings/reset/brcm,pmb.yaml b/Documentation/devicetree/bindings/reset/brcm,pmb.yaml new file mode 100644 index 000000000000..ea78ab629c45 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/brcm,pmb.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/brcm,pmb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom PMB Master reset controller + +description: This document describes Broadcom's PMB controller. It supports + resetting various types of connected devices (e.g. PCIe, USB, SATA). It + requires specifying device address. + +maintainers: + - Rafał Miłecki <rafal@xxxxxxxxxx> + +properties: + compatible: + enum: + - brcm,bcm4908-pmb # PMB on BCM4908 and compatible SoCs + + reg: + maxItems: 1 + + big-endian: + $ref: /schemas/types.yaml#/definitions/flag + description: + Flag to use for block working in big endian mode. + + "#reset-cells": + const: 2 + +required: + - compatible + - reg + - "#reset-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/reset/brcm,pmb.h> + + pmb: reset-controller@802800e0 { + compatible = "brcm,bcm4908-pmb"; + reg = <0x802800e0 0x20>; + #reset-cells = <2>; + }; + + foo { + resets = <&pmb BRCM_PMB_USB 17>; + } diff --git a/include/dt-bindings/reset/brcm,pmb.h b/include/dt-bindings/reset/brcm,pmb.h new file mode 100644 index 000000000000..1b724e451de1 --- /dev/null +++ b/include/dt-bindings/reset/brcm,pmb.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */ + +#ifndef _DT_BINDINGS_RESET_BRCM_PMB +#define _DT_BINDINGS_RESET_BRCM_PMB + +#define BRCM_PMB_USB 0x01 +#define BRCM_PMB_PCIE 0x02 + +#endif -- 2.27.0
