LF-749 ARM: dts: imx6qdl: add bus recovery for i2c buses

Add bus recovery for all i2c buses to avoid bus dead lock.

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>

diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
index 2a31718..0ef11a6 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -391,8 +391,11 @@
 
 &i2c1 {
        clock-frequency = <100000>;
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c1>;
+       pinctrl-1 = <&pinctrl_i2c1_gpio>;
+       scl-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;
+       sda-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>;
        status = "okay";
 
        codec: wm8962@1a {
@@ -474,8 +477,11 @@
 
 &i2c2 {
        clock-frequency = <100000>;
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c2>;
+       pinctrl-1 = <&pinctrl_i2c2_gpio>;
+       scl-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
+       sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
        status = "okay";
 
        touchscreen@4 {
@@ -645,8 +651,11 @@
 
 &i2c3 {
        clock-frequency = <100000>;
-       pinctrl-names = "default";
+       pinctrl-names = "default", "gpio";
        pinctrl-0 = <&pinctrl_i2c3>;
+       pinctrl-1 = <&pinctrl_i2c3_gpio>;
+       scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+       sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
        status = "okay";
 
        egalax_ts@4 {
@@ -779,6 +788,13 @@
                        >;
                };
 
+               pinctrl_i2c1_gpio: i2c1_gpio_grp {
+                       fsl,pins = <
+                               MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26        0x1b0b0
+                               MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27        0x1b8b0
+                       >;
+               };
+
                pinctrl_i2c1_mma8451_int: i2c1mma8451intgrp {
                        fsl,pins = <
                                MX6QDL_PAD_SD1_CMD__GPIO1_IO18          0xb0b1
@@ -792,6 +808,13 @@
                        >;
                };
 
+               pinctrl_i2c2_gpio: i2c2_gpio_grp {
+                       fsl,pins = <
+                               MX6QDL_PAD_KEY_COL3__GPIO4_IO12         0x1b8b0
+                               MX6QDL_PAD_KEY_ROW3__GPIO4_IO13         0x1b0b0
+                       >;
+               };
+
                pinctrl_i2c2_egalax_int: i2c2egalaxintgrp {
                        fsl,pins = <
                                MX6QDL_PAD_NANDF_ALE__GPIO6_IO08        0x1b0b0
@@ -805,6 +828,13 @@
                        >;
                };
 
+               pinctrl_i2c3_gpio: i2c3_gpio_grp {
+                       fsl,pins = <
+                               MX6QDL_PAD_GPIO_3__GPIO1_IO03           0x1b8b0
+                               MX6QDL_PAD_GPIO_6__GPIO1_IO06           0x1b0b0
+                       >;
+               };
+
                pinctrl_i2c3_isl29023_int: i2c3isl29023intgrp {
                        fsl,pins = <
                                MX6QDL_PAD_EIM_DA9__GPIO3_IO09          0xb0b1