ARM: dts: meson8: add the xtal_32k_out pin

GPIOX_10 can generate a 32768Hz signal when enabling the "xtal_32k_out"
group with the xtal function. This is typically used as LPO clock for
the SDIO wifi chips.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230321171213.2808460-2-martin.blumenstingl@googlemail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 21eb59041a7d93c728f3d6a8d7f59f40f3bbcd0f..4d18bb4e3c33d5c1d5cee821e7fbf84fa0a9d551 100644 (file)
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -568,6 +568,14 @@
                                bias-disable;
                        };
                };
+
+               xtal_32k_out_pins: xtal-32k-out {
+                       mux {
+                               groups = "xtal_32k_out";
+                               function = "xtal";
+                               bias-disable;
+                       };
+               };
        };
 };