commit 4fa1edc83b2b2b467ed47bd682c7beab81a38ef5 upstream.

Enable i2c{0,1} on RZ/G2LC SMARC EVK by deleting respective
entries from board dts and adding pincontrol entries to the
soc-pinctrl dtsi. Also enable i2c2 by adding to soc dtsi.

Signed-off-by: Biju Das <biju.das.jz@...>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
Link: https://lore.kernel.org/r/20220303164155.7706-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@...>
Signed-off-by: Biju Das <biju.das.jz@...>
---
arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts | 12 ------------
.../dts/renesas/rzg2lc-smarc-pinfunction.dtsi | 15 +++++++++++++++
arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi | 6 +++++-
3 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
index dc39b05e9256..52b834205126 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
@@ -14,18 +14,6 @@ / {
compatible = "renesas,smarc-evk", "renesas,r9a07g044c2", "renesas,r9a07g044";
};

-&i2c0 {
- /delete-property/ pinctrl-0;
- /delete-property/ pinctrl-names;
- status = "disabled";
-};
-
-&i2c1 {
- /delete-property/ pinctrl-0;
- /delete-property/ pinctrl-names;
- status = "disabled";
-};
-
&spi1 {
/delete-property/ pinctrl-0;
/delete-property/ pinctrl-names;
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi
index 53759c3ddecb..1322e5bcd456 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi
@@ -35,6 +35,21 @@ can1_pins: can1 {
};
#endif

+ i2c0_pins: i2c0 {
+ pins = "RIIC0_SDA", "RIIC0_SCL";
+ input-enable;
+ };
+
+ i2c1_pins: i2c1 {
+ pins = "RIIC1_SDA", "RIIC1_SCL";
+ input-enable;
+ };
+
+ i2c2_pins: i2c2 {
+ pinmux = <RZG2L_PORT_PINMUX(42, 3, 1)>, /* SDA */
+ <RZG2L_PORT_PINMUX(42, 4, 1)>; /* SCL */
+ };
+
scif0_pins: scif0 {
pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>, /* TxD */
<RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
index 55d3b73f84e7..f73b4acb8f9e 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
@@ -61,7 +61,11 @@ &canfd {
#endif

&i2c2 {
- status = "disabled";
+ pinctrl-0 = <&i2c2_pins>;
+ pinctrl-names = "default";
+ clock-frequency = <400000>;
+
+ status = "okay";

wm8978: codec@1a {
compatible = "wlf,wm8978";
--
2.25.1