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Message-Id: <20210226114501.31086-1-zajec5@gmail.com>
Date: Fri, 26 Feb 2021 12:44:59 +0100
From: Rafał Miłecki <zajec5@...il.com>
To: Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Florian Fainelli <f.fainelli@...il.com>,
Vivek Unune <npcomplete13@...il.com>,
bcm-kernel-feedback-list@...adcom.com,
Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH 1/3] dt-bindings: phy: convert Broadcom NS USB 2.0 to the json-schema
From: Rafał Miłecki <rafal@...ecki.pl>
Minor example fixes:
1. Include bcm-nsp.h
2. Add address to the node name
Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
---
This has been verified using dt_binding_check
---
.../bindings/phy/bcm-ns-usb2-phy.txt | 21 -------
.../bindings/phy/brcm,ns-usb2-phy.yaml | 55 +++++++++++++++++++
2 files changed, 55 insertions(+), 21 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt
create mode 100644 Documentation/devicetree/bindings/phy/brcm,ns-usb2-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt b/Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt
deleted file mode 100644
index a7aee9ea8926..000000000000
--- a/Documentation/devicetree/bindings/phy/bcm-ns-usb2-phy.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Driver for Broadcom Northstar USB 2.0 PHY
-
-Required properties:
-- compatible: brcm,ns-usb2-phy
-- reg: iomem address range of DMU (Device Management Unit)
-- reg-names: "dmu", the only needed & supported reg right now
-- clocks: USB PHY reference clock
-- clock-names: "phy-ref-clk", the only needed & supported clock right now
-
-To initialize USB 2.0 PHY driver needs to setup PLL correctly. To do this it
-requires passing phandle to the USB PHY reference clock.
-
-Example:
- usb2-phy {
- compatible = "brcm,ns-usb2-phy";
- reg = <0x1800c000 0x1000>;
- reg-names = "dmu";
- #phy-cells = <0>;
- clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
- clock-names = "phy-ref-clk";
- };
diff --git a/Documentation/devicetree/bindings/phy/brcm,ns-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/brcm,ns-usb2-phy.yaml
new file mode 100644
index 000000000000..b8b683ce8fa9
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/brcm,ns-usb2-phy.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/brcm,ns-usb2-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Northstar USB 2.0 PHY
+
+description: Broadcom's USB 2.0 PHY integrated into Northstar family SoCs
+
+maintainers:
+ - Rafał Miłecki <rafal@...ecki.pl>
+
+properties:
+ compatible:
+ const: brcm,ns-usb2-phy
+
+ reg:
+ maxItems: 1
+ description: DMU (Device Management Unit) address range
+
+ reg-names:
+ const: dmu
+
+ clocks:
+ maxItems: 1
+ description: USB PHY reference clock
+
+ clock-names:
+ const: phy-ref-clk
+
+ "#phy-cells":
+ const: 0
+
+required:
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/bcm-nsp.h>
+
+ usb2-phy@...0c000 {
+ compatible = "brcm,ns-usb2-phy";
+ reg = <0x1800c000 0x1000>;
+ reg-names = "dmu";
+ clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
+ clock-names = "phy-ref-clk";
+ #phy-cells = <0>;
+ };
--
2.26.2
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