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arm64: dts: ti: k3-am67a-beagley-ai: Add DSI0/CSI1 mux

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The DSI0 connector is shared with the CSI1 and selectable via the
TMUX646 switch present on the board. Model it using a gpio-mux so that
camera sensor or DSI panel overlays can override it.

Link: https://docs.beagle.cc/boards/beagley/ai/03-design.html#dsi
Reviewed-by: Rishikesh Donadkar <r-donadkar@ti.com>
Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
Link: https://patch.msgid.link/20260602-beagley-cameras-v3-2-fe6ae35b7eda@ideasonboard.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Jai Luthra 2026-06-02 18:29:28 +05:30 committed by Vignesh Raghavendra
parent f0d750aa40
commit 7859b66bfa
1 changed files with 20 additions and 0 deletions
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20
arch/arm64/boot/dts/ti/k3-am67a-beagley-ai.dts
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@ -146,6 +146,19 @@ led-1 {
default-state = "on";
};
};
dsi_csi_mux: mux-controller {
compatible = "gpio-mux";
#mux-state-cells = <1>;
pinctrl-names = "default";
pinctrl-0 = <&dsi_csi_mux_pins_default>;
mux-gpios = <&main_gpio0 2 GPIO_ACTIVE_HIGH>,
<&main_gpio0 1 GPIO_ACTIVE_HIGH>;
/* state = SEL + 2*OE : 0 = DSI0, 1 = CSI1, 2,3 = off */
idle-state = <2>;
};
};
&main_pmx0 {
@ -199,6 +212,13 @@ J722S_IOPAD(0x015c, PIN_INPUT, 0) /* (AD25) MDIO0_MDIO */
>;
};
dsi_csi_mux_pins_default: dsi-csi-mux-default-pins {
pinctrl-single,pins = <
J722S_IOPAD(0x0004, PIN_OUTPUT, 7) /* (L23) OSPI0_LBCLKO.GPIO0_1 */
J722S_IOPAD(0x0008, PIN_OUTPUT, 7) /* (L22) OSPI0_DQS.GPIO0_2 */
>;
};
rgmii1_pins_default: rgmii1-default-pins {
pinctrl-single,pins = <
J722S_IOPAD(0x014c, PIN_INPUT, 0) /* (AC25) RGMII1_RD0 */