arm64: dts: renesas: gen3: use 400kHz for I2C DVFS bus

The PMIC and EEPROM can operate at 400kHz, so use this speed.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index d298f7c9ada10fa25cfa2ba80224754f1d1aa5ca..7f91ff5241091b2fca66f9059911f50360628803 100644 (file)
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -474,6 +474,8 @@
 &i2c_dvfs {
        status = "okay";
 
+       clock-frequency = <400000>;
+
        pmic: pmic@30 {
                pinctrl-0 = <&irq0_pins>;
                pinctrl-names = "default";

diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index 7e6078508ba0ba1959d274b1b86a28a20444b0be..30506c5ba4e9abb9f5a7a71490db9b2357bd9a65 100644 (file)
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -241,6 +241,8 @@
 &i2c_dvfs {
        status = "okay";
 
+       clock-frequency = <400000>;
+
        pmic: pmic@30 {
                pinctrl-0 = <&irq0_pins>;
                pinctrl-names = "default";