diff mbox series

[v2,1/9] arm64: dts: ti: k3-j721s2-common-proc-board: Enable camera peripherals

Message ID 20240208084254.295289-2-vaishnav.a@ti.com
State New
Headers
Series Add CSI2RX capture support on TI J7 platforms |

Commit Message

Vaishnav Achath Feb. 8, 2024, 8:42 a.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.

Common Processor Board schematics: https://www.ti.com/lit/zip/sprr411
J721S2 SoM schematics: https://www.ti.com/lit/zip/sprr439

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
---

V1->V2: Update commit message with schematics.

 .../dts/ti/k3-j721s2-common-proc-board.dts    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

Comments

Jai Luthra Feb. 8, 2024, 10:23 a.m. UTC | #1 
On Feb 08, 2024 at 14:12:46 +0530, Vaishnav Achath wrote:
> 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.
> 
> Common Processor Board schematics: https://www.ti.com/lit/zip/sprr411
> J721S2 SoM schematics: https://www.ti.com/lit/zip/sprr439
> 
> Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>

Reviewed-by: Jai Luthra <j-luthra@ti.com>

> ---
> 
> V1->V2: Update commit message with schematics.
> 
>  .../dts/ti/k3-j721s2-common-proc-board.dts    | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> [...]
diff mbox series

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 361365bb5523..5631735c9b7a 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";