Enable the third I2C channel, and describe the I2C EEPROM connected to
it.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
To be queued in renesas-devel for v5.15.
arch/arm/boot/dts/r7s9210-rza2mevb.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/r7s9210-rza2mevb.dts b/arch/arm/boot/dts/r7s9210-rza2mevb.dts
index 68498ce2aec0ebd9..ececb1bc995a5918 100644
--- a/arch/arm/boot/dts/r7s9210-rza2mevb.dts
+++ b/arch/arm/boot/dts/r7s9210-rza2mevb.dts
@@ -109,6 +109,20 @@ &extal_clk {
clock-frequency = <24000000>; /* 24MHz */
};
+&i2c3 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
+
+ eeprom@50 {
+ compatible = "renesas,r1ex24128", "atmel,24c128";
+ reg = <0x50>;
+ pagesize = <64>;
+ };
+};
+
/* High resolution System tick timers */
&ostm0 {
status = "okay";
@@ -147,6 +161,11 @@ eth1_pins: eth1 {
<RZA2_PINMUX(PORTL, 1, 5)>; /* IRQ5 */
};
+ i2c3_pins: i2c3 {
+ pinmux = <RZA2_PINMUX(PORTD, 6, 1)>, /* RIIC3SCL */
+ <RZA2_PINMUX(PORTD, 7, 1)>; /* RIIC3SDA */
+ };
+
keyboard_pins: keyboard {
pinmux = <RZA2_PINMUX(PORTJ, 1, 6)>; /* IRQ0 */
};
--
2.25.1
