MLK-10369 ARM: dts: Add i2c bus support for i.MX7d-sdb board

- Add i2c1,2,3,4 bus support for i.MX7d-sdb board (i2c4 bus need to
  rework: swap R485 and R33).
- Add i2c device PMIC support.

Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherry picked from commit: 45acb911f7192fcc574f1e0faaf19513b9879046)

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 8bf6316..340f816 100644 (file)
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -178,6 +178,7 @@
 };
 
 &i2c1 {
+       clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c1>;
        status = "okay";
@@ -274,18 +275,21 @@
 };
 
 &i2c2 {
+       clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c2>;
        status = "okay";
 };
 
 &i2c3 {
+       clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c3>;
        status = "okay";
 };
 
 &i2c4 {
+       clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c4>;
        status = "okay";