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arm64: dts: imx8mm-kontron: Add RTC aliases 

Add aliases for the RTCs on the board and on the SoC. This ensures that
the primary RTC is always the one on the board that has a buffered supply
and maximum accuracy.

This is a direct port of the pending commit from linux-next.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Reviewed-by: Fabio Estevam <festevam@denx.de>
This commit is contained in:
Frieder Schrempf 2023-01-09 12:42:18 +01:00 committed by Stefano Babic
parent 14d3c8fd0a
commit 6e91c06a73
2 changed files with 9 additions and 2 deletions
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4
arch/arm/dts/imx8mm-kontron-bl.dts
View File

@ -13,6 +13,8 @@
aliases { aliases {
ethernet1 = &usbnet; ethernet1 = &usbnet;
rtc0 = &rx8900;
rtc1 = &snvs_rtc;
}; };
/* fixed crystal dedicated to mcp2515 */ /* fixed crystal dedicated to mcp2515 */
@ -136,7 +138,7 @@
pinctrl-0 = <&pinctrl_i2c4>; pinctrl-0 = <&pinctrl_i2c4>;
status = "okay"; status = "okay";
rtc@32 { rx8900: rtc@32 {
compatible = "epson,rx8900"; compatible = "epson,rx8900";
reg = <0x32>; reg = <0x32>;
}; };

7
arch/arm/dts/imx8mm-kontron-osm-s.dtsi
View File

@ -10,6 +10,11 @@
model = "Kontron OSM-S i.MX8MM (N802X SOM)"; model = "Kontron OSM-S i.MX8MM (N802X SOM)";
compatible = "kontron,imx8mm-osm-s", "fsl,imx8mm"; compatible = "kontron,imx8mm-osm-s", "fsl,imx8mm";
aliases {
rtc0 = &rv3028;
rtc1 = &snvs_rtc;
};
memory@40000000 { memory@40000000 {
device_type = "memory"; device_type = "memory";
/* /*
@ -200,7 +205,7 @@
}; };
}; };
rtc@52 { rv3028: rtc@52 {
compatible = "microcrystal,rv3028"; compatible = "microcrystal,rv3028";
reg = <0x52>; reg = <0x52>;
pinctrl-names = "default"; pinctrl-names = "default";