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charset="utf-8" From: Haibo Chen Enable lpi2c7 bus, and enable i2c IO expander. Reviewed-by: Clark Wang Signed-off-by: Haibo Chen Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boo= t/dts/freescale/imx8ulp-evk.dts index 1314383caf76..69dd8e31027c 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -118,6 +118,23 @@ &lpuart5 { status =3D "okay"; }; =20 +&lpi2c7 { + #address-cells =3D <1>; + #size-cells =3D <0>; + clock-frequency =3D <400000>; + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&pinctrl_lpi2c7>; + pinctrl-1 =3D <&pinctrl_lpi2c7>; + status =3D "okay"; + + pcal6408: gpio@21 { + compatible =3D "nxp,pcal9554b"; + reg =3D <0x21>; + gpio-controller; + #gpio-cells =3D <2>; + }; +}; + &usdhc0 { pinctrl-names =3D "default", "state_100mhz", "state_200mhz", "sleep"; pinctrl-0 =3D <&pinctrl_usdhc0>; @@ -200,6 +217,13 @@ MX8ULP_PAD_PTF15__LPUART5_RX 0x3 >; }; =20 + pinctrl_lpi2c7: lpi2c7grp { + fsl,pins =3D < + MX8ULP_PAD_PTE12__LPI2C7_SCL 0x20 + MX8ULP_PAD_PTE13__LPI2C7_SDA 0x20 + >; + }; + pinctrl_usdhc0: usdhc0grp { fsl,pins =3D < MX8ULP_PAD_PTD1__SDHC0_CMD 0x3 --=20 2.37.1