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([10.24.69.142]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 4188gshM097884; Thu, 8 Feb 2024 02:43:04 -0600 From: Vaishnav Achath To: , , , , , CC: , , , , , , , , Subject: [PATCH v2 2/9] arm64: dts: ti: k3-j784s4-evm: Enable camera peripherals Date: Thu, 8 Feb 2024 14:12:47 +0530 Message-ID: <20240208084254.295289-3-vaishnav.a@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240208084254.295289-1-vaishnav.a@ti.com> References: <20240208084254.295289-1-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-20240208_004322_243763_9B5959FB X-CRM114-Status: UNSURE ( 9.23 ) X-CRM114-Notice: Please train this message. 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 CSI cameras are controlled using I2C. On J784S4 EVM, this is routed to I2C-5, so enable the instance and the TCA6408 GPIO expander on the bus. J784S4 EVM schematics: https://www.ti.com/lit/zip/sprr458 Signed-off-by: Vaishnav Achath Reviewed-by: Jai Luthra --- V1->V2: Update commit message with schematics. arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 25 ++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts index 57e7cb8ea2b8..bb2558b68381 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts @@ -297,6 +297,13 @@ J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */ >; }; + main_i2c5_pins_default: main-i2c5-default-pins { + pinctrl-single,pins = < + J784S4_IOPAD(0x01c, PIN_INPUT, 8) /* (AG34) MCAN15_TX.I2C5_SCL */ + J784S4_IOPAD(0x018, PIN_INPUT, 8) /* (AK36) MCAN14_RX.I2C5_SDA */ + >; + }; + main_mmc1_pins_default: main-mmc1-default-pins { bootph-all; pinctrl-single,pins = < @@ -761,6 +768,24 @@ exp2: gpio@22 { }; }; +&main_i2c5 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c5_pins_default>; + clock-frequency = <400000>; + status = "okay"; + + exp5: gpio@20 { + compatible = "ti,tca6408"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "CSI2_EXP_RSTZ", "CSI2_EXP_A_GPIO0", + "CSI2_EXP_A_GPIO1", "CSI2_EXP_A_GPIO3", + "CSI2_EXP_B_GPIO1", "CSI2_EXP_B_GPIO2", + "CSI2_EXP_B_GPIO3", "CSI2_EXP_B_GPIO4"; + }; +}; + &main_sdhci0 { bootph-all; /* eMMC */