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([10.24.69.142]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41F8tJ7o008333; Thu, 15 Feb 2024 02:55:40 -0600 From: Vaishnav Achath To: , , , , , CC: , , , , , , , , Subject: [PATCH v4 5/9] arm64: dts: ti: k3-j721e-sk: Model CSI2RX connector mux Date: Thu, 15 Feb 2024 14:25:14 +0530 Message-ID: <20240215085518.552692-6-vaishnav.a@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240215085518.552692-1-vaishnav.a@ti.com> References: <20240215085518.552692-1-vaishnav.a@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240215_005548_668782_E9AE3E51 X-CRM114-Status: GOOD ( 10.22 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org J721E SK has the CSI2RX routed to a MIPI CSI connector and to 15-pin RPi camera connector through an analog mux with GPIO control, model that so that an overlay can control the mux state according to connected cameras. Also provide labels to the I2C mux bus instances so that a generic overlay can be used across multiple platforms. J721E SK schematics: https://www.ti.com/lit/zip/sprr438 Signed-off-by: Vaishnav Achath Reviewed-by: Jai Luthra --- V1->V2: Update commit message with schematics. arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts index 6950b1ff124f..5dbc85bc5038 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts @@ -286,6 +286,15 @@ tfp410_out: endpoint { }; }; }; + + csi_mux: mux-controller { + compatible = "gpio-mux"; + #mux-state-cells = <1>; + mux-gpios = <&main_gpio0 88 GPIO_ACTIVE_HIGH>; + idle-state = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&main_csi_mux_sel_pins_default>; + }; }; &main_pmx0 { @@ -352,6 +361,12 @@ J721E_IOPAD(0x214, PIN_OUTPUT, 4) /* (V4) MCAN1_TX.USB1_DRVVBUS */ >; }; + main_csi_mux_sel_pins_default: main-csi-mux-sel-default-pins { + pinctrl-single,pins = < + J721E_IOPAD(0x164, PIN_OUTPUT, 7) /* (V29) RGMII5_TD2 */ + >; + }; + dp0_pins_default: dp0-default-pins { pinctrl-single,pins = < J721E_IOPAD(0x1c4, PIN_INPUT, 5) /* SPI0_CS1.DP0_HPD */ @@ -858,14 +873,14 @@ i2c-mux@70 { reg = <0x70>; /* CSI0 I2C */ - i2c@0 { + cam0_i2c: i2c@0 { #address-cells = <1>; #size-cells = <0>; reg = <0>; }; /* CSI1 I2C */ - i2c@1 { + cam1_i2c: i2c@1 { #address-cells = <1>; #size-cells = <0>; reg = <1>;