From: Jose Alarcon <jose.alarcon@xxxxxx>
This commit enables i2c recovery, supported by the i2c core subsystem.
It defines the required GPIOs for SDA and SLC lines.
Signed-off-by: Jose Alarcon <jose.alarcon@xxxxxx>
Signed-off-by: Nandor Han <nandor.han@xxxxxx>
Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6q-bx50v3.dtsi | 42 +++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index c90b26f..75201ca 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -94,6 +94,29 @@
};
};
+&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
+ >;
+ };
+};
+
&ecspi5 {
cs-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
@@ -111,6 +134,11 @@
};
&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 +289,20 @@
};
};
+&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 06 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpio1 03 GPIO_ACTIVE_HIGH>;
+};
+
&usdhc4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc4>;
--
1.8.3.1
--
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