[1/9] arm64: dts: ti: k3-j721s2-common-proc-board: Enable camera peripherals

Commit Message

Vaishnav Achath Jan. 29, 2024, 1:27 p.m. UTC

CSI cameras are controlled using I2C. On J721S2 Common Processor Board,
this is routed to I2C-5, so enable the instance and the TCA6408
GPIO expander on the bus.

Signed-off-by: Vaishnav Achath <[e-mail]>
---
 .../dts/ti/k3-j721s2-common-proc-board.dts    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index c6b85bbf9a17..3667aa179306 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -147,6 +147,13 @@  J721S2_IOPAD(0x060, PIN_INPUT_PULLUP, 13) /* (AC27) MCASP2_AXR1.I2C3_SDA */
 		>;
 	};
 
+	main_i2c5_pins_default: main-i2c5-default-pins {
+		pinctrl-single,pins = <
+			J721S2_IOPAD(0x01c, PIN_INPUT, 8) /* (Y24) MCAN15_TX.I2C5_SCL */
+			J721S2_IOPAD(0x018, PIN_INPUT, 8) /* (W23) MCAN14_RX.I2C5_SDA */
+		>;
+	};
+
 	main_mmc1_pins_default: main-mmc1-default-pins {
 		pinctrl-single,pins = <
 			J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */
@@ -356,6 +363,24 @@  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_GPIO2",
+				  "CSI2_EXP_B_GPIO1", "CSI2_EXP_B_GPIO2",
+				  "CSI2_EXP_B_GPIO3", "CSI2_EXP_B_GPIO4";
+	};
+};
+
 &main_sdhci0 {
 	/* eMMC */
 	status = "okay";