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[91.139.201.119]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43f2338d802sm131797845e9.1.2025.04.12.13.26.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Apr 2025 13:26:57 -0700 (PDT) From: Ivaylo Ivanov To: Krzysztof Kozlowski , Vinod Koul , Conor Dooley , Alim Akhtar , Kishon Vijay Abraham I , Rob Herring , Philipp Zabel Cc: linux-samsung-soc@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v4 02/10] dt-bindings: phy: samsung,usb3-drd-phy: add exynos2200 support Date: Sat, 12 Apr 2025 23:26:12 +0300 Message-ID: <20250412202620.738150-3-ivo.ivanov.ivanov1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250412202620.738150-1-ivo.ivanov.ivanov1@gmail.com> References: <20250412202620.738150-1-ivo.ivanov.ivanov1@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Krzysztof Kozlowski --- .../bindings/phy/samsung,usb3-drd-phy.yaml | 38 +++++++++++++++++-- 1 file changed, 34 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yam= l b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml index 27295acbb..4506c5801 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 @@ -33,24 +34,32 @@ properties: - samsung,exynos850-usbdrd-phy =20 clocks: - minItems: 2 + minItems: 1 maxItems: 5 =20 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 operat= ions, associated by phy name. It is used to determine bit values for c= lock settings register. For Exynos5420 this is given as 'sclk_usbphy= 30' - in the CMU. + in the CMU. It's not needed for Exynos2200. =20 "#phy-cells": const: 1 =20 + phys: + maxItems: 1 + description: + USBDRD-underlying high-speed PHY + + phy-names: + const: hs + port: $ref: /schemas/graph.yaml#/properties/port description: @@ -150,6 +159,27 @@ allOf: - vdda-usbdp-supply - vddh-usbdp-supply =20 + - if: + properties: + 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: --=20 2.43.0