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arm64: dts: ti: k3-am69-sk: Enable camera peripherals

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CSI cameras are controlled using I2C. On AM69 Starter Kit, this is routed
to I2C-1, so enable the instance, TCA9543 I2C switch and the TCA6408
GPIO expander on the bus. AM69 SK has the CSI2RX routed to a MIPI CSI
connector and to 22-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.

AM69 SK schematics: https://www.ti.com/lit/zip/sprr466

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20240215085518.552692-5-vaishnav.a@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Vaishnav Achath 2024-02-15 14:25:13 +05:30 committed by Vignesh Raghavendra
parent 5dcc1aaf0b
commit 12d82b15b9
1 changed files with 51 additions and 0 deletions
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51
arch/arm64/boot/dts/ti/k3-am69-sk.dts
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@ -322,6 +322,14 @@
};
};
};
csi_mux: mux-controller {
compatible = "gpio-mux";
#mux-state-cells = <1>;
mux-gpios = <&exp2 1 GPIO_ACTIVE_HIGH>;
idle-state = <0>;
};
};
&main_pmx0 {
@ -341,6 +349,13 @@
>;
};
main_i2c1_pins_default: main-i2c1-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x0ac, PIN_INPUT_PULLUP, 13) /* (AE34) MCASP0_AXR15.I2C1_SCL */
J784S4_IOPAD(0x0b0, PIN_INPUT_PULLUP, 13) /* (AL33) MCASP1_AXR3.I2C1_SDA */
>;
};
main_mmc1_pins_default: main-mmc1-default-pins {
bootph-all;
pinctrl-single,pins = <
@ -775,6 +790,42 @@
};
};
&main_i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&main_i2c1_pins_default>;
clock-frequency = <400000>;
status = "okay";
exp2: gpio@21 {
compatible = "ti,tca6408";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
gpio-line-names = "CSI_VIO_SEL", "CSI_MUX_SEL_2", "CSI2_RSTz",
"IO_EXP_CAM0_GPIO1", "IO_EXP_CAM1_GPIO1";
};
i2c-mux@70 {
compatible = "nxp,pca9543";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
cam0_i2c: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
};
cam1_i2c: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
};
};
&main_sdhci0 {
bootph-all;
/* eMMC */