linux-kernel - [PATCH 10/12] dt-bindings: phy: allwinner: add v853 usb phy

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Message-Id: <20250110123923.270626-11-szemzo.andras@gmail.com>
Date: Fri, 10 Jan 2025 13:39:21 +0100
From: Andras Szemzo <szemzo.andras@...il.com>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Maxime Ripard <mripard@...nel.org>
Cc: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-gpio@...r.kernel.org,
	linux-pm@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH 10/12] dt-bindings: phy: allwinner: add v853 usb phy

Document Allwinner v853 USB phy.

Signed-off-by: Andras Szemzo <szemzo.andras@...il.com>
---
 .../phy/allwinner,sun8i-v853-usb-phy.yaml     | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/allwinner,sun8i-v853-usb-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun8i-v853-usb-phy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun8i-v853-usb-phy.yaml
new file mode 100644
index 000000000000..773c3f476db8
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/allwinner,sun8i-v853-usb-phy.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/allwinner,sun8i-v853-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner V853 USB PHY
+
+maintainers:
+  - Chen-Yu Tsai <wens@...e.org>
+  - Maxime Ripard <mripard@...nel.org>
+
+properties:
+  "#phy-cells":
+    const: 1
+
+  compatible:
+    const:
+	- allwinner,sun8i-v853-usb-phy
+
+  reg:
+    items:
+      - description: PHY Control registers
+      - description: PHY PMU0 registers
+
+  reg-names:
+    items:
+      - const: phy_ctrl
+      - const: pmu0
+
+  clocks:
+    maxItems: 1
+    description: USB OHCI PHY bus clock
+
+  clock-names:
+    const: usb0_phy
+
+  resets:
+    maxItems: 1
+    description: USB OHCI reset
+
+  reset-names:
+    const: usb0_reset
+
+  usb0_id_det-gpios:
+    maxItems: 1
+    description: GPIO to the USB OTG ID pin
+
+  usb0_vbus_det-gpios:
+    maxItems: 1
+    description: GPIO to the USB OTG VBUS detect pin
+
+  usb0_vbus_power-supply:
+    description: Power supply to detect the USB OTG VBUS
+
+  usb0_vbus-supply:
+    description: Regulator controlling USB OTG VBUS
+
+required:
+  - "#phy-cells"
+  - compatible
+  - clocks
+  - clock-names
+  - reg
+  - reg-names
+  - resets
+  - reset-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/clock/sun8i-v853-ccu.h>
+    #include <dt-bindings/reset/sun8i-v853-ccu.h>
+
+    usbphy: phy@...0400 {
+        #phy-cells = <1>;
+        compatible = "allwinner,sun8i-v853-usb-phy";
+        reg = <0x4100400 0x100>,
+              <0x4101800 0x100>;
+        reg-names = "phy_ctrl",
+                    "pmu0";
+        clocks = <&ccu CLK_USB_OHCI>;
+        clock-names = "usb0_phy";
+        resets = <&ccu RST_USB_PHY>;
+        reset-names = "usb0_reset";
+        usb0_id_det-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
+    };
-- 
2.39.5