From: "Rafał Miłecki" <zajec5@gmail.com>
To: Philipp Zabel <p.zabel@pengutronix.de>, Rob Herring <robh+dt@kernel.org>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
bcm-kernel-feedback-list@broadcom.com,
"Rafał Miłecki" <rafal@milecki.pl>
Subject: [PATCH 1/2] dt-bindings: reset: document Broadcom's BCM4908 USB reset binding
Date: Fri, 4 Dec 2020 10:37:03 +0100 [thread overview]
Message-ID: <20201204093704.11359-1-zajec5@gmail.com> (raw)
From: Rafał Miłecki <rafal@milecki.pl>
Document binding of block responsible for initializing USB controllers
(OHCI, EHCI, XHCI).
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
.../reset/brcm,bcm4908-usb-reset.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml
diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml
new file mode 100644
index 000000000000..31beb1c8f3cd
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/brcm,bcm4908-usb-reset.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/brcm,bcm4908-usb-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM4908 USB host controller reset
+
+description: >
+ BCM4908 has a separated block controlling all USB controllers. It handles the
+ whole setup process and takes care of initializing PHYs at the right time
+ (state).
+
+maintainers:
+ - Rafał Miłecki <rafal@milecki.pl>
+
+properties:
+ compatible:
+ enum:
+ - brcm,bcm4908-usb-reset
+
+ reg:
+ maxItems: 1
+
+ resets:
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ phys:
+ minItems: 2
+ maxItems: 2
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+
+ phy-names:
+ items:
+ - const: usb2
+ - const: usb3
+
+ "#reset-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - phys
+ - phy-names
+ - "#reset-cells"
+
+additionalProperties: true
+
+examples:
+ - |
+ reset-controller@8000c200 {
+ compatible = "brcm,bcm4908-usb-reset";
+ reg = <0x8000c200 0x100>;
+
+ phys = <&usb2_phy>, <&usb3_phy>;
+ phy-names = "usb2", "usb3";
+
+ #reset-cells = <0>;
+ };
--
2.26.2
next reply other threads:[~2020-12-04 9:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-04 9:37 Rafał Miłecki [this message]
2020-12-04 9:37 ` [PATCH 2/2] reset: bcm4908-usb: add driver for BCM4908 USB reset controller Rafał Miłecki
2020-12-04 16:13 ` Philipp Zabel
2020-12-04 16:29 ` Rafał Miłecki
2020-12-04 16:38 ` Florian Fainelli
2020-12-04 16:42 ` Rafał Miłecki
2020-12-04 16:32 ` [PATCH 1/2] dt-bindings: reset: document Broadcom's BCM4908 USB reset binding Florian Fainelli
2020-12-04 16:39 ` Rafał Miłecki
2020-12-09 23:35 ` Rob Herring
2020-12-10 0:27 ` Florian Fainelli
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