From: Biju Das <biju.das.jz@...>

commit 04637e2f73d1e77dc00aa046b4845af5fe7e7cef upstream.

Enable I2C{0,1,3} support on RZ/G2L SMARC EVK.

Signed-off-by: Biju Das <biju.das.jz@...>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
Link: https://lore.kernel.org/r/20210920182955.13445-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@...>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
---
arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 39 ++++++++++++++++++++
1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 7ecd4a3f4175..8ecc5b45fc99 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -11,6 +11,9 @@
/ {
aliases {
serial0 = &scif0;
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c3 = &i2c3;
};

chosen {
@@ -45,6 +48,27 @@
status = "okay";
};

+&i2c0 {
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&i2c1 {
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&i2c3 {
+ pinctrl-0 = <&i2c3_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
&ohci0 {
dr_mode = "otg";
status = "okay";
@@ -59,6 +83,21 @@
};

&pinctrl {
+ i2c0_pins: i2c0 {
+ pins = "RIIC0_SDA", "RIIC0_SCL";
+ input-enable;
+ };
+
+ i2c1_pins: i2c1 {
+ pins = "RIIC1_SDA", "RIIC1_SCL";
+ input-enable;
+ };
+
+ i2c3_pins: i2c3 {
+ pinmux = <RZG2L_PORT_PINMUX(18, 0, 3)>, /* SDA */
+ <RZG2L_PORT_PINMUX(18, 1, 3)>; /* SCL */
+ };
+
scif0_pins: scif0 {
pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>, /* TxD */
<RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */
--
2.17.1