git.openwrt.org Git - openwrt/openwrt.git/blob

   1 From 82853543057f78d8a331272b70bc3f1e8cb0cbf4 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   3 Date: Mon, 14 Dec 2020 19:07:42 +0100
   4 Subject: [PATCH] dt-bindings: power: document Broadcom's PMB binding
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Broadcom's PMB is power controller used for disabling and enabling SoC
  10 devices.
  11
  12 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  13 Reviewed-by: Rob Herring <robh@kernel.org>
  14 Acked-by: Florian Fainelli <f.fainelli@gmail.com>
  15 Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
  16 Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
  17 ---
  18  .../bindings/power/brcm,bcm-pmb.yaml          | 50 +++++++++++++++++++
  19  include/dt-bindings/soc/bcm-pmb.h             | 11 ++++
  20  2 files changed, 61 insertions(+)
  21  create mode 100644 Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml
  22  create mode 100644 include/dt-bindings/soc/bcm-pmb.h
  23
  24 --- /dev/null
  25 +++ b/Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml
  26 @@ -0,0 +1,50 @@
  27 +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  28 +%YAML 1.2
  29 +---
  30 +$id: http://devicetree.org/schemas/power/brcm,bcm-pmb.yaml#
  31 +$schema: http://devicetree.org/meta-schemas/core.yaml#
  32 +
  33 +title: Broadcom PMB (Power Management Bus) controller
  34 +
  35 +description: This document describes Broadcom's PMB controller. It supports
  36 +  powering various types of connected devices (e.g. PCIe, USB, SATA).
  37 +
  38 +maintainers:
  39 +  - Rafał Miłecki <rafal@milecki.pl>
  40 +
  41 +properties:
  42 +  compatible:
  43 +    enum:
  44 +      - brcm,bcm4908-pmb
  45 +
  46 +  reg:
  47 +    description: register space of one or more buses
  48 +    maxItems: 1
  49 +
  50 +  big-endian:
  51 +    $ref: /schemas/types.yaml#/definitions/flag
  52 +    description: Flag to use for block working in big endian mode.
  53 +
  54 +  "#power-domain-cells":
  55 +    description: cell specifies device ID (see bcm-pmb.h)
  56 +    const: 1
  57 +
  58 +required:
  59 +  - reg
  60 +  - "#power-domain-cells"
  61 +
  62 +additionalProperties: false
  63 +
  64 +examples:
  65 +  - |
  66 +    #include <dt-bindings/soc/bcm-pmb.h>
  67 +
  68 +    pmb: power-controller@802800e0 {
  69 +        compatible = "brcm,bcm4908-pmb";
  70 +        reg = <0x802800e0 0x40>;
  71 +        #power-domain-cells = <1>;
  72 +    };
  73 +
  74 +    foo {
  75 +        power-domains = <&pmb BCM_PMB_PCIE0>;
  76 +    };
  77 --- /dev/null
  78 +++ b/include/dt-bindings/soc/bcm-pmb.h
  79 @@ -0,0 +1,11 @@
  80 +/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */
  81 +
  82 +#ifndef __DT_BINDINGS_SOC_BCM_PMB_H
  83 +#define __DT_BINDINGS_SOC_BCM_PMB_H
  84 +
  85 +#define BCM_PMB_PCIE0                          0x01
  86 +#define BCM_PMB_PCIE1                          0x02
  87 +#define BCM_PMB_PCIE2                          0x03
  88 +#define BCM_PMB_HOST_USB                       0x04
  89 +
  90 +#endif