diff mbox series

[v4,2/2] ARM: dts: bcm2711-rpi-cm4-io: Add RTC on I2C0

Message ID 20230731215515.20682-3-laurent.pinchart@ideasonboard.com (mailing list archive)
State New, archived
Headers show
Series ARM: dts: bcm2711-rpi-cm4-io: Add rtc on a pinctrl-muxed i2c bus | expand

Commit Message

Laurent Pinchart July 31, 2023, 9:55 p.m. UTC 
From: Uwe Kleine-König <uwe@kleine-koenig.org>

The cm4-io board comes with a PCF85063 on I2C0, connected to the GPIO44
and GPIO45 pins. Add it to the device tree.

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
Changes since v3:

- Separate addition of the RTC to a patch of its own
---
 arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts
index d7ba02f586d3..0d9b328a215a 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts
@@ -101,6 +101,22 @@  &genet {
 	status = "okay";
 };
 
+&i2c0 {
+	status = "okay";
+};
+
+&i2c0_1 {
+	rtc@51 {
+		/* Attention: An alarm resets the machine */
+		compatible = "nxp,pcf85063";
+		reg = <0x51>;
+	};
+};
+
+&i2c0mux {
+	status = "okay";
+};
+
 &led_act {
 	gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 };