Define the Condor board dependent part of the I2C0 device node.
The I2C0 bus is populated by 2 ON Semiconductor PCA9654 I/O expanders
and Analog Devices ADV7511W HDMI transmitter (but we're only describing
the former chips now).
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/r8a77980-condor.dts | 27 ++++++++++++++++++++++++
1 file changed, 27 insertions(+)
Index: renesas/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ renesas/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -80,6 +80,28 @@
clock-frequency = <32768>;
};
+&i2c0 {
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ io_expander0: gpio@20 {
+ compatible = "onnn,pca9654";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ io_expander1: gpio@21 {
+ compatible = "onnn,pca9654";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
&mmc0 {
pinctrl-0 = <&mmc_pins>;
pinctrl-1 = <&mmc_pins_uhs>;
@@ -104,6 +126,11 @@
function = "canfd0";
};
+ i2c0_pins: i2c0 {
+ groups = "i2c0";
+ function = "i2c0";
+ };
+
mmc_pins: mmc {
groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
function = "mmc";
