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| author | Jose Alarcon <jose.alarcon@ge.com> | 2017-08-10 13:42:29 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2017-08-14 04:45:13 +0300 |
| commit | b3766c518172188b220282fa412ff6f6f65be856 (patch) | |
| tree | f09c332b7988abbc9382e2e75b790757acc42123 /arch/arm | |
| parent | c6a9f138197cbd7e6ea09dea58a98821b9862cd7 (diff) | |
| download | linux-b3766c518172188b220282fa412ff6f6f65be856.tar.xz | |
ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism
This commit enables i2c recovery, supported by the i2c core subsystem.
It defines the required GPIOs for SDA and SCL lines.
Signed-off-by: Jose Alarcon <jose.alarcon@ge.com>
Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/imx6q-bx50v3.dtsi | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi index c90b26f00e24..1015e55ca8f7 100644 --- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi +++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi @@ -111,6 +111,11 @@ }; &i2c1 { + pinctrl-names = "default", "gpio"; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + sda-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; + scl-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; + pca9547: mux@70 { compatible = "nxp,pca9547"; reg = <0x70>; @@ -261,6 +266,43 @@ }; }; +&i2c2 { + pinctrl-names = "default", "gpio"; + pinctrl-1 = <&pinctrl_i2c2_gpio>; + sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>; + scl-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>; +}; + +&i2c3 { + pinctrl-names = "default", "gpio"; + pinctrl-1 = <&pinctrl_i2c3_gpio>; + sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; + scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>; +}; + +&iomuxc { + pinctrl_i2c1_gpio: i2c1gpiogrp { + fsl,pins = < + MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x1b0b0 + MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x1b0b0 + >; + }; + + pinctrl_i2c2_gpio: i2c2gpiogrp { + fsl,pins = < + MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x1b0b0 + MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x1b0b0 + >; + }; + + pinctrl_i2c3_gpio: i2c3gpiogrp { + fsl,pins = < + MX6QDL_PAD_GPIO_3__GPIO1_IO03 0x1b0b0 + MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x1b0b0 + >; + }; +}; + &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; |