From: Uwe Kleine-König <uwe@kleine-koenig.org>
Date: Tue, 2 Apr 2024 00:04:15 +0000 (+0300)
Subject: ARM: dts: bcm2711-rpi-cm4-io: Add RTC on I2C0
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d72e40d41736d083e47dc50c6c2e1d59e5af6944;p=linux.git

ARM: dts: bcm2711-rpi-cm4-io: Add RTC on I2C0

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>
Acked-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20240402000424.4650-9-laurent.pinchart@ideasonboard.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
---

diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
index d7ba02f586d30..7c6a5bdf48aa1 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
@@ -101,6 +101,15 @@
 	status = "okay";
 };
 
+&i2c0_1 {
+	rtc@51 {
+		/* Attention: An alarm resets the machine */
+		compatible = "nxp,pcf85063a";
+		reg = <0x51>;
+		quartz-load-femtofarads = <7000>;
+	};
+};
+
 &led_act {
 	gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
 };