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

Message ID 20250110123923.270626-11-szemzo.andras@gmail.com
State New
Headers show
Series Support for Allwinner V853 SoC | expand

Commit Message

Andras Szemzo Jan. 10, 2025, 12:39 p.m. UTC 
Document Allwinner v853 USB phy.

Signed-off-by: Andras Szemzo <szemzo.andras@gmail.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
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Patch

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@csie.org>
+  - Maxime Ripard <mripard@kernel.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@4100400 {
+        #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>;
+    };