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Add on-board RTC support for ODROID-N2+ (#999)

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Make the NXP PCF8563TS on-board RTC the primary RTC of the system.
This commit is contained in:
Stefan Agner 2020-11-17 10:49:01 +01:00
parent 076f8ad8d1
commit 8e8b0c6231
3 changed files with 54 additions and 2 deletions
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2
buildroot-external/board/hardkernel/kernel-amlogic.config
View File

@ -4954,7 +4954,7 @@ CONFIG_RTC_DRV_RK808=m
# CONFIG_RTC_DRV_PCF8523 is not set # CONFIG_RTC_DRV_PCF8523 is not set
# CONFIG_RTC_DRV_PCF85063 is not set # CONFIG_RTC_DRV_PCF85063 is not set
# CONFIG_RTC_DRV_PCF85363 is not set # CONFIG_RTC_DRV_PCF85363 is not set
# CONFIG_RTC_DRV_PCF8563 is not set CONFIG_RTC_DRV_PCF8563=y
# CONFIG_RTC_DRV_PCF8583 is not set # CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_BQ32K is not set # CONFIG_RTC_DRV_BQ32K is not set

52
buildroot-external/board/hardkernel/patches/linux/0015-arm64-dts-meson-add-RTC-to-ODROID-N2-boards.patch Normal file
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@ -0,0 +1,52 @@
From 9a736bfb2ee71ed09e5f37ec4a506e7bd2a80bf5 Mon Sep 17 00:00:00 2001
Message-Id: <9a736bfb2ee71ed09e5f37ec4a506e7bd2a80bf5.1606127729.git.stefan@agner.ch>
In-Reply-To: <59bbf3567b02c36edfa4ee013d7e7e8c492756f2.1606127729.git.stefan@agner.ch>
References: <59bbf3567b02c36edfa4ee013d7e7e8c492756f2.1606127729.git.stefan@agner.ch>
From: Stefan Agner <stefan@agner.ch>
Date: Mon, 16 Nov 2020 23:11:02 +0100
Subject: [PATCH 15/15] arm64: dts: meson: add RTC to ODROID-N2 boards
All ODROID-N2 boards come with a NXP PCF8563TS RTC connected to I2C bus
3. This is the RTC which is connected to the on-board RTC backup battery.
Use it as primary RTC.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
.../boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
index 6982632ae646..40390feba053 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -13,6 +13,8 @@ / {
aliases {
serial0 = &uart_AO;
ethernet0 = &ethmac;
+ rtc0 = &board_rtc;
+ rtc1 = &vrtc;
};
dioo2133: audio-amplifier-0 {
@@ -471,6 +473,18 @@ hdmi_tx_tmds_out: endpoint {
};
};
+&i2c3 {
+ status = "okay";
+ pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+ pinctrl-names = "default";
+ clock-frequency = <400000>;
+
+ board_rtc: rtc@51 {
+ compatible = "nxp,pcf8563";
+ reg = <0x51>;
+ };
+};
+
&ir {
status = "okay";
pinctrl-0 = <&remote_input_ao_pins>;
--
2.29.2

2
buildroot-external/meta
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@ -1,5 +1,5 @@
VERSION_MAJOR=4 VERSION_MAJOR=4
VERSION_BUILD=17 VERSION_BUILD=18
HASSOS_NAME="HassOS" HASSOS_NAME="HassOS"
HASSOS_ID="hassos" HASSOS_ID="hassos"