On Wed, Sep 17, 2025 at 12:04:21PM +0300, Ioana Ciornei wrote:
> Describe the two SFP+ cages found on the LX2160ARDB board with their
> respective I2C buses and GPIO lines.
>
> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
> Changes in v2:
> - none
> Changes in v3:
> - Moved the reg property before address/cells-size.
>
> .../boot/dts/freescale/fsl-lx2160a-rdb.dts | 47 +++++++++++++++++++
> 1 file changed, 47 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> index 4ede1295f29d..1c1ed0c5f016 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> @@ -31,6 +31,28 @@ sb_3v3: regulator-sb3v3 {
> regulator-boot-on;
> regulator-always-on;
> };
> +
> + sfp2: sfp-2 {
> + compatible = "sff,sfp";
> + i2c-bus = <&sfp2_i2c>;
> + maximum-power-milliwatt = <2000>;
> + /* Leave commented out if using DPMAC_LINK_TYPE_FIXED mode */
> + /* tx-disable-gpios = <&sfp2_csr 0 GPIO_ACTIVE_HIGH>; */
> + los-gpios = <&sfp2_csr 4 GPIO_ACTIVE_HIGH>;
> + tx-fault-gpios = <&sfp2_csr 5 GPIO_ACTIVE_HIGH>;
> + mod-def0-gpios = <&sfp2_csr 7 GPIO_ACTIVE_LOW>;
> + };
> +
> + sfp3: sfp-3 {
> + compatible = "sff,sfp";
> + i2c-bus = <&sfp3_i2c>;
> + maximum-power-milliwatt = <2000>;
> + /* Leave commented out if using DPMAC_LINK_TYPE_FIXED mode */
> + /* tx-disable-gpios = <&sfp3_csr 0 GPIO_ACTIVE_HIGH>; */
> + los-gpios = <&sfp3_csr 4 GPIO_ACTIVE_HIGH>;
> + tx-fault-gpios = <&sfp3_csr 5 GPIO_ACTIVE_HIGH>;
> + mod-def0-gpios = <&sfp3_csr 7 GPIO_ACTIVE_LOW>;
> + };
> };
>
> &crypto {
> @@ -236,6 +258,31 @@ temperature-sensor@4d {
> vcc-supply = <&sb_3v3>;
> };
> };
> +
> + i2c@7 {
> + reg = <0x7>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + i2c-mux@75 {
> + compatible = "nxp,pca9547";
> + reg = <0x75>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + sfp2_i2c: i2c@4 {
> + reg = <0x4>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + sfp3_i2c: i2c@5 {
> + reg = <0x5>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + };
> + };
> };
> };
>
> --
> 2.25.1
>