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Wed, 22 Nov 2023 10:24:23 -0800 (PST) Received: from localhost.localdomain ([49.205.245.83]) by smtp.gmail.com with ESMTPSA id x17-20020a170902ea9100b001cf6783fd41sm4897980plb.17.2023.11.22.10.24.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Nov 2023 10:24:23 -0800 (PST) From: Anand Moon To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Icenowy Zheng Cc: Anand Moon , Neil Armstrong , linux-amlogic@lists.infradead.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] dt-bindings: usb: Add the binding example for the Genesys Logic GL3523 hub Date: Wed, 22 Nov 2023 23:53:46 +0530 Message-ID: <20231122182351.63214-2-linux.amoon@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231122182351.63214-1-linux.amoon@gmail.com> References: <20231122182351.63214-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231122_102425_571756_00134991 X-CRM114-Status: GOOD ( 14.69 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Add the binding example for the USB3.1 Genesys Logic GL3523 integrates with USB 3.1 Gen 1 Super Speed and USB 2.0 High-Speed hub. Onboard USB hub supports USB 3.x and USB 2.0 peer controllers. which has a common reset pin and power supply. peer-hub phandle each peer controller with proper gpio reset and help each peer power on during initialization and power off during suspend. Signed-off-by: Anand Moon --- v4: Fix the description of peer-hub and update the commit message. Schematics of the Odroid N2+ https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.6_20210121.pdf V3: fix the dt_binding_check error, added new example for Genesys GL3523 v2: added Genesys GL3523 binding v1: none --- .../bindings/usb/genesys,gl850g.yaml | 67 +++++++++++++++++-- 1 file changed, 63 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml index ee08b9c3721f..bc3b3f4c8473 100644 --- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml +++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml @@ -9,9 +9,6 @@ title: Genesys Logic USB hub controller maintainers: - Icenowy Zheng -allOf: - - $ref: usb-device.yaml# - properties: compatible: enum: @@ -27,12 +24,48 @@ properties: vdd-supply: description: - the regulator that provides 3.3V core power to the hub. + phandle to the regulator that provides power to the hub. + + peer-hub: + $ref: /schemas/types.yaml#/definitions/phandle + description: + onboard USB hub supports USB 3.x and USB 2.0 peer controllers. + which has a common reset pin and power supply. + peer-hub phandle each peer controller with proper gpio reset + and help each peer power on during initialization + and power off during suspend. required: - compatible - reg +allOf: + - $ref: usb-device.yaml# + - if: + properties: + compatible: + contains: + enum: + - usb5e3,608 + then: + properties: + peer-hub: false + vdd-supply: false + reset-gpios: true + + - if: + properties: + compatible: + contains: + enum: + - usb5e3,610 + - usb5e3,620 + then: + properties: + peer-hub: true + vdd-supply: true + reset-gpios: true + additionalProperties: false examples: @@ -49,3 +82,29 @@ examples: reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>; }; }; + + - | + #include + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + /* 2.0 hub on port 1 */ + hub_2_0: hub@1 { + compatible = "usb5e3,610"; + reg = <1>; + peer-hub = <&hub_3_0>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc_5v>; + }; + + /* 3.1 hub on port 4 */ + hub_3_0: hub@2 { + compatible = "usb5e3,620"; + reg = <2>; + peer-hub = <&hub_2_0>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc_5v>; + }; + };