From: "Rafał Miłecki" <zajec5@gmail.com>
To: Florian Fainelli <f.fainelli@gmail.com>,
Rob Herring <robh+dt@kernel.org>
Cc: "Philipp Zabel" <p.zabel@pengutronix.de>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
"Kevin Hilman" <khilman@kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
devicetree@vger.kernel.org,
bcm-kernel-feedback-list@broadcom.com,
linux-kernel@vger.kernel.org, "Rafał Miłecki" <rafal@milecki.pl>
Subject: [PATCH V2 1/2] dt-bindings: power: document Broadcom's PMB binding
Date: Mon, 14 Dec 2020 19:07:42 +0100 [thread overview]
Message-ID: <20201214180743.14584-2-zajec5@gmail.com> (raw)
In-Reply-To: <20201214180743.14584-1-zajec5@gmail.com>
From: Rafał Miłecki <rafal@milecki.pl>
Broadcom's PMB is power controller used for disabling and enabling SoC
devices.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
.../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@milecki.pl>
+
+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
next prev parent reply other threads:[~2020-12-14 18:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 18:07 [PATCH V2 0/2] Broadcom's PMB (Power Management Bus) support Rafał Miłecki
2020-12-14 18:07 ` Rafał Miłecki [this message]
2020-12-15 17:51 ` [PATCH V2 1/2] dt-bindings: power: document Broadcom's PMB binding Rob Herring
2020-12-15 18:22 ` Florian Fainelli
2021-01-12 13:14 ` Ulf Hansson
2020-12-14 18:07 ` [PATCH V2 2/2] soc: bcm: add PM driver for Broadcom's PMB Rafał Miłecki
2020-12-15 18:24 ` Florian Fainelli
2021-01-12 13:14 ` Ulf Hansson
2021-01-13 4:46 ` [PATCH V2 0/2] Broadcom's PMB (Power Management Bus) support Florian Fainelli
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