From 9bf4d7bed324aee2e4c903d53b466772c166094b Mon Sep 17 00:00:00 2001 From: Gao Pan Date: Wed, 9 Aug 2017 16:47:05 +0800 Subject: [PATCH] MLK-16189 arm64: dts: enable i2c bus expander for imx8qxp-mek enable i2c bus expander for imx8qxp-mek Signed-off-by: Gao Pan --- arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts index e8f26a14001e..8e81c49c51be 100644 --- a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-mek.dts @@ -134,6 +134,12 @@ >; }; + pinctrl_ioexp_rst: ioexp_rst_grp { + fsl,pins = < + SC_P_SPI2_SDO_LSIO_GPIO1_IO01 0x06000021 + >; + }; + pinctrl_isl29023: isl29023grp { fsl,pins = < SC_P_SPI2_SDI_LSIO_GPIO1_IO02 0x00000021 @@ -323,7 +329,8 @@ #size-cells = <0>; clock-frequency = <100000>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_lpi2c1>; + pinctrl-0 = <&pinctrl_lpi2c1 &pinctrl_ioexp_rst>; + pinctrl-assert-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>; status = "okay"; pca9646@71 { -- 2.17.1