From: Petr Åtetiar <ynezz@xxxxxxx>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
Signed-off-by: Petr Åtetiar <ynezz@xxxxxxx>
Reviewed-by: Stefan Agner <stefan@xxxxxxxx>
---
- fixed HDMI DDC (requires GPIO-based bitbanging I2C to be enabled)
+ /* DDC_I2C: I2C2_SDA/SCL on MXM3 205/207 */
+ i2cddc: i2c@0 {
+ compatible = "i2c-gpio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c_ddc>;
+ gpios = <&gpio3 16 GPIO_ACTIVE_HIGH /* sda */
+ &gpio2 30 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <2>; /* ~100 kHz */
+ status = "disabled";
+ };
+
+ pinctrl_i2c_ddc: gpioi2cddcgrp {
+ fsl,pins = <
+ /* DDC bitbang */
+ MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x1b0b0
+ MX6QDL_PAD_EIM_D16__GPIO3_IO16 0x1b0b0
+ >;
+ };
+