Re: [PATCH V2 1/2] dt-bindings: power: document Broadcom's PMB binding

From: Ulf Hansson
Date: Tue Jan 12 2021 - 08:16:28 EST


On Mon, 14 Dec 2020 at 19:08, Rafał Miłecki <zajec5@xxxxxxxxx> wrote:
>
> 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>

Apologize for the delay!

Acked-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>

Kind regards
Uffe

> ---
> .../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
>