Schematics mention a 24cs64 on the bus, but I definitely have only a
24c64. So, it is only mentioned as a comment.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
.../dts/renesas/r9a06g032-rzn1d400-db.dts | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
index 31cdca3e623c..d50a1d91e968 100644
--- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
+++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
@@ -57,6 +57,44 @@ fixed-link {
};
};
+&i2c2 {
+ pinctrl-0 = <&pins_i2c2>;
+ pinctrl-names = "default";
+ status = "okay";
+ clock-frequency = <400000>;
+
+ pca9698: gpio@20 {
+ compatible = "nxp,pca9698";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ /* configure the analog switch to let i2c2 access the eeprom */
+ max4662-in1-hog {
+ gpio-hog;
+ gpios = <16 0>;
+ output-high;
+ };
+ max4662-in2-hog {
+ gpio-hog;
+ gpios = <17 0>;
+ output-low;
+ };
+ max4662-in3-hog {
+ gpio-hog;
+ gpios = <18 0>;
+ output-low;
+ };
+ };
+
+ /* Some revisions may have a 24cs64 at address 0x58 */
+ eeprom@50 {
+ compatible = "atmel,24c64";
+ pagesize = <32>;
+ reg = <0x50>;
+ };
+};
+
&mii_conv4 {
renesas,miic-input = <MIIC_SWITCH_PORTB>;
status = "okay";
@@ -114,6 +152,12 @@ pins_eth4: pins_eth4 {
bias-disable;
};
+ pins_i2c2: pins_i2c2 {
+ pinmux = <RZN1_PINMUX(115, RZN1_FUNC_I2C)>,
+ <RZN1_PINMUX(116, RZN1_FUNC_I2C)>;
+ drive-strength = <12>;
+ };
+
pins_mdio1: pins_mdio1 {
pinmux = <RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)>,
<RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)>;
--
2.47.2
