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Create generic i2c-rtc overlay for supporting ds1307, ds3231, pcf2127 and pcf8523.

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Signed-off-by: Jon Burgess <jburgess777@gmail.com>
This commit is contained in:
Jon Burgess
2015-02-17 13:22:17 +00:00
committed by popcornmix
parent 0d6a4ef40f
commit 77fa1da74d
2 changed files with 44 additions and 0 deletions
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1
arch/arm/boot/dts/Makefile
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@@ -14,6 +14,7 @@ endif
dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += ds1307-rtc-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += i2c-rtc-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += hifiberry-dac-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += hifiberry-dacplus-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += hifiberry-digi-overlay.dtb

43
arch/arm/boot/dts/i2c-rtc-overlay.dts Normal file
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@@ -0,0 +1,43 @@
// Definitions for several I2C based Real Time Clocks
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2708";
fragment@0 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
ds1307: ds1307@68 {
compatible = "maxim,ds1307";
reg = <0x68>;
status = "disable";
};
ds3231: ds3231@68 {
compatible = "maxim,ds3231";
reg = <0x68>;
status = "disable";
};
pcf2127: pcf2127@51 {
compatible = "nxp,pcf2127";
reg = <0x51>;
status = "disable";
};
pcf8523: pcf8523@68 {
compatible = "nxp,pcf8523";
reg = <0x68>;
status = "disable";
};
};
};
__overrides__ {
ds1307 = <&ds1307>,"status";
ds3231 = <&ds3231>,"status";
pcf2127 = <&pcf2127>,"status";
pcf8523 = <&pcf8523>,"status";
};
};