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([10.24.69.142]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 41F8tJ7m008333; Thu, 15 Feb 2024 02:55:32 -0600 From: Vaishnav Achath To: , , , , , CC: , , , , , , , , Subject: [PATCH v4 3/9] arm64: dts: ti: k3-am68-sk-base-board: Enable camera peripherals Date: Thu, 15 Feb 2024 14:25:12 +0530 Message-ID: <20240215085518.552692-4-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> 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 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="utf-8" CSI cameras are controlled using I2C. On AM68 Starter Kit, this is routed to I2C-1, so enable the instance and the TCA9543 I2C switch on the bus. AM68 SK schematics: https://www.ti.com/lit/zip/sprr463 Signed-off-by: Vaishnav Achath Reviewed-by: Jai Luthra --- V1->V2: Update commit message with schematics. .../boot/dts/ti/k3-am68-sk-base-board.dts | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/= boot/dts/ti/k3-am68-sk-base-board.dts index f48155dd16a3..d743f023cdd9 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -169,6 +169,13 @@ tfp410_out: endpoint { }; }; }; + + csi_mux: mux-controller { + compatible =3D "gpio-mux"; + #mux-state-cells =3D <1>; + mux-gpios =3D <&exp3 1 GPIO_ACTIVE_HIGH>; + idle-state =3D <0>; + }; }; =20 &main_pmx0 { @@ -186,6 +193,13 @@ J721S2_IOPAD(0x0e4, PIN_INPUT, 0) /* (AE24) I2C0_SDA */ >; }; =20 + main_i2c1_pins_default: main-i2c1-default-pins { + pinctrl-single,pins =3D < + J721S2_IOPAD(0x0ac, PIN_INPUT, 13) /* (AC25) MCASP0_AXR15.I2C1_SCL */ + J721S2_IOPAD(0x0b0, PIN_INPUT, 13) /* (AD26) MCASP1_AXR3.I2C1_SDA */ + >; + }; + main_mmc1_pins_default: main-mmc1-default-pins { pinctrl-single,pins =3D < J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */ @@ -431,6 +445,42 @@ exp1: gpio@21 { }; }; =20 +&main_i2c1 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&main_i2c1_pins_default>; + status =3D "okay"; + + exp3: gpio@20 { + compatible =3D "ti,tca6408"; + reg =3D <0x20>; + gpio-controller; + #gpio-cells =3D <2>; + gpio-line-names =3D "CSI_VIO_SEL", "CSI_SEL_FPC_EXPn", + "IO_EXP_CSI2_EXP_RSTz","CSI0_B_GPIO1", + "CSI1_B_GPIO1"; + }; + + i2c-mux@70 { + compatible =3D "nxp,pca9543"; + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0x70>; + + cam0_i2c: i2c@0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0>; + }; + + cam1_i2c: i2c@1 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <1>; + }; + + }; +}; + &main_i2c4 { status =3D "okay"; pinctrl-names =3D "default"; --=20 2.34.1