diff options
| author | Vaishnav Achath <vaishnav.a@ti.com> | 2024-02-15 11:55:10 +0300 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2024-02-19 07:26:39 +0300 |
| commit | f00c6ead159fb028ac989916ed2999bac2f7d43b (patch) | |
| tree | 14dc6d346402701caeaa15b9d86abd96f77f0877 /arch/arm64/boot/dts/ti | |
| parent | 14a65ea5fee71d716d246b8cc494a95bc9924306 (diff) | |
| download | linux-f00c6ead159fb028ac989916ed2999bac2f7d43b.tar.xz | |
arm64: dts: ti: k3-j721s2-common-proc-board: Enable camera peripherals
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>
Link: https://lore.kernel.org/r/20240215085518.552692-2-vaishnav.a@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts | 25 |
1 files changed, 25 insertions, 0 deletions
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 @@ >; }; + 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 @@ }; }; +&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"; |