From: "Uwe Kleine-König" <uwe@kleine-koenig.org>
To: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Stefan Wahren <stefan.wahren@i2se.com>,
Cyril Brulebois <kibi@debian.org>
Subject: [PATCH] ARM: dts: bcm2711-rpi-cm4-io: Add rtc on i2c0
Date: Mon, 22 Nov 2021 16:26:48 +0100 [thread overview]
Message-ID: <20211122152648.57242-1-uwe@kleine-koenig.org> (raw)
The cm4-io board comes with an PCF85063. Add it to the device tree to make
it usable.
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
---
arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts
index 19600b629be5..1b67ad65e228 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4-io.dts
@@ -20,6 +20,17 @@ led-pwr {
};
};
+&i2c0 {
+ pinctrl-0 = <&i2c0_gpio44>;
+ status = "okay";
+
+ rtc@51 {
+ /* Attention: An alarm resets the machine */
+ compatible = "nxp,pcf85063";
+ reg = <0x51>;
+ };
+};
+
&ddc0 {
status = "okay";
};
base-commit: 8ab774587903771821b59471cc723bba6d893942
--
2.30.2
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next reply other threads:[~2021-11-22 15:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 15:26 Uwe Kleine-König [this message]
2021-11-22 16:08 ` [PATCH] ARM: dts: bcm2711-rpi-cm4-io: Add rtc on i2c0 Cyril Brulebois
2021-11-22 16:33 ` Dave Stevenson
2021-11-30 12:02 ` nicolas saenz julienne
2021-11-30 17:18 ` Stefan Wahren
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