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e3a1e78cd8
It compiles but *doesn't* boot so it isn't enabled yet. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
91 lines
2.5 KiB
Diff
91 lines
2.5 KiB
Diff
From 82853543057f78d8a331272b70bc3f1e8cb0cbf4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Mon, 14 Dec 2020 19:07:42 +0100
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Subject: [PATCH] dt-bindings: power: document Broadcom's PMB binding
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Broadcom's PMB is power controller used for disabling and enabling SoC
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devices.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Acked-by: Florian Fainelli <f.fainelli@gmail.com>
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Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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.../bindings/power/brcm,bcm-pmb.yaml | 50 +++++++++++++++++++
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include/dt-bindings/soc/bcm-pmb.h | 11 ++++
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2 files changed, 61 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml
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create mode 100644 include/dt-bindings/soc/bcm-pmb.h
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml
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@@ -0,0 +1,50 @@
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/power/brcm,bcm-pmb.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Broadcom PMB (Power Management Bus) controller
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+
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+description: This document describes Broadcom's PMB controller. It supports
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+ powering various types of connected devices (e.g. PCIe, USB, SATA).
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+
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+maintainers:
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+ - Rafał Miłecki <rafal@milecki.pl>
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+
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+properties:
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+ compatible:
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+ enum:
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+ - brcm,bcm4908-pmb
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+
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+ reg:
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+ description: register space of one or more buses
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+ maxItems: 1
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+
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+ big-endian:
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+ $ref: /schemas/types.yaml#/definitions/flag
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+ description: Flag to use for block working in big endian mode.
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+
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+ "#power-domain-cells":
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+ description: cell specifies device ID (see bcm-pmb.h)
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+ const: 1
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+
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+required:
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+ - reg
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+ - "#power-domain-cells"
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ #include <dt-bindings/soc/bcm-pmb.h>
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+
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+ pmb: power-controller@802800e0 {
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+ compatible = "brcm,bcm4908-pmb";
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+ reg = <0x802800e0 0x40>;
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+ #power-domain-cells = <1>;
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+ };
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+
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+ foo {
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+ power-domains = <&pmb BCM_PMB_PCIE0>;
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+ };
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--- /dev/null
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+++ b/include/dt-bindings/soc/bcm-pmb.h
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@@ -0,0 +1,11 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */
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+
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+#ifndef __DT_BINDINGS_SOC_BCM_PMB_H
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+#define __DT_BINDINGS_SOC_BCM_PMB_H
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+
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+#define BCM_PMB_PCIE0 0x01
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+#define BCM_PMB_PCIE1 0x02
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+#define BCM_PMB_PCIE2 0x03
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+#define BCM_PMB_HOST_USB 0x04
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+
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+#endif
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