diff options
| author | Vaishnav Achath <vaishnav.a@ti.com> | 2024-02-15 11:55:12 +0300 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2024-02-19 07:26:39 +0300 |
| commit | 5dcc1aaf0b7aa861bf9cfd48a9db46a4a3b2d47a (patch) | |
| tree | 3b7e16612de2e3ac9abeb1a4ed62b57eff355fec /arch/arm64/boot/dts/ti | |
| parent | fa646b7096708db6d87b43bedefaddc7c605a9bf (diff) | |
| download | linux-5dcc1aaf0b7aa861bf9cfd48a9db46a4a3b2d47a.tar.xz | |
arm64: dts: ti: k3-am68-sk-base-board: Enable camera peripherals
CSI cameras are controlled using I2C. On AM68 Starter Kit, this is routed
to I2C-1, so enable the instance and the TCA9543 I2C switch on the bus.
AM68 SK schematics: https://www.ti.com/lit/zip/sprr463
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20240215085518.552692-4-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-am68-sk-base-board.dts | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts index f48155dd16a3..d743f023cdd9 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -169,6 +169,13 @@ }; }; }; + + csi_mux: mux-controller { + compatible = "gpio-mux"; + #mux-state-cells = <1>; + mux-gpios = <&exp3 1 GPIO_ACTIVE_HIGH>; + idle-state = <0>; + }; }; &main_pmx0 { @@ -186,6 +193,13 @@ >; }; + main_i2c1_pins_default: main-i2c1-default-pins { + pinctrl-single,pins = < + J721S2_IOPAD(0x0ac, PIN_INPUT, 13) /* (AC25) MCASP0_AXR15.I2C1_SCL */ + J721S2_IOPAD(0x0b0, PIN_INPUT, 13) /* (AD26) MCASP1_AXR3.I2C1_SDA */ + >; + }; + main_mmc1_pins_default: main-mmc1-default-pins { pinctrl-single,pins = < J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */ @@ -431,6 +445,42 @@ }; }; +&main_i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c1_pins_default>; + status = "okay"; + + exp3: gpio@20 { + compatible = "ti,tca6408"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "CSI_VIO_SEL", "CSI_SEL_FPC_EXPn", + "IO_EXP_CSI2_EXP_RSTz","CSI0_B_GPIO1", + "CSI1_B_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_i2c4 { status = "okay"; pinctrl-names = "default"; |