diff options
| author | Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com> | 2025-05-04 17:45:19 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2025-05-14 11:43:37 +0100 |
| commit | e4c9a7b475e5d0d9b2440ee48f91d1364eabd6cb (patch) | |
| tree | 6ba1f85608ff7d980ca8327d4defced1da2d8683 | |
| parent | 59cf7546079e3d08d105369c48f8834970290082 (diff) | |
dt-bindings: phy: samsung,usb3-drd-phy: add exynos2200 support
Document support for Exynos2200. As the USBDRD 3.2 4nm controller
consists of Synopsys eUSB2.0 phy and USBDP/SS combophy, which will
be handled by external drivers, define only the bus clocked used
by the link controller.
Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250504144527.1723980-3-ivo.ivanov.ivanov1@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml index fdddddc7d611..cc60d2f6f70e 100644 --- a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml +++ b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml @@ -26,6 +26,7 @@ properties: compatible: enum: - google,gs101-usb31drd-phy + - samsung,exynos2200-usb32drd-phy - samsung,exynos5250-usbdrd-phy - samsung,exynos5420-usbdrd-phy - samsung,exynos5433-usbdrd-phy @@ -34,24 +35,32 @@ properties: - samsung,exynos850-usbdrd-phy clocks: - minItems: 2 + minItems: 1 maxItems: 5 clock-names: - minItems: 2 + minItems: 1 maxItems: 5 description: | - At least two clocks:: + Typically two clocks: - Main PHY clock (same as USB DRD controller i.e. DWC3 IP clock), used for register access. - PHY reference clock (usually crystal clock), used for PHY operations, associated by phy name. It is used to determine bit values for clock settings register. For Exynos5420 this is given as 'sclk_usbphy30' - in the CMU. + in the CMU. It's not needed for Exynos2200. "#phy-cells": const: 1 + phys: + maxItems: 1 + description: + USBDRD-underlying high-speed PHY + + phy-names: + const: hs + port: $ref: /schemas/graph.yaml#/properties/port description: @@ -156,6 +165,27 @@ allOf: compatible: contains: enum: + - samsung,exynos2200-usb32drd-phy + then: + properties: + clocks: + maxItems: 1 + clock-names: + items: + - const: phy + reg: + maxItems: 1 + reg-names: + maxItems: 1 + required: + - phys + - phy-names + + - if: + properties: + compatible: + contains: + enum: - samsung,exynos5433-usbdrd-phy - samsung,exynos7-usbdrd-phy then: |