arm64: dts: renesas: rzg2ul-smarc-som: Enable ADC on SMARC platform

Enable the ADC found on RZ/G2UL SMARC SoM.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220608173025.22792-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
index 8fdc956cd6c76acc7271576e9832995ddeb76ac0..cf3b3d118ef170ceae53ef8e83b92fad2dfa980c 100644 (file)
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
@@ -57,6 +57,14 @@
 #endif
 };
 
+#if (SW_SW0_DEV_SEL)
+&adc {
+       pinctrl-0 = <&adc_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+};
+#endif
+
 #if (!SW_ET0_EN_N)
 &eth0 {
        pinctrl-0 = <&eth0_pins>;
@@ -124,6 +132,10 @@
 };
 
 &pinctrl {
+       adc_pins: adc {
+               pinmux = <RZG2L_PORT_PINMUX(6, 2, 1)>; /* ADC_TRG */
+       };
+
        eth0_pins: eth0 {
                pinmux = <RZG2L_PORT_PINMUX(4, 5, 1)>, /* ET0_LINKSTA */
                         <RZG2L_PORT_PINMUX(4, 3, 1)>, /* ET0_MDC */