Tweak the node name to make it aliasable, then add aliases for the on-board RTC chip and meson-vrtc timer so they probe as rtc0 and rtc1 respectively.
before: VIM3:~ # dmesg | grep rtc [ 3.622530] meson-vrtc ff8000a8.rtc: registered as rtc0 [ 3.622574] meson-vrtc ff8000a8.rtc: setting system clock to 1970-01-01T00:00:03 UTC (3) [ 3.646936] rtc-hym8563 0-0051: no valid clock/calendar values available [ 3.647125] rtc-hym8563 0-0051: registered as rtc1 [ 3.852382] rtc-hym8563 0-0051: no valid clock/calendar values available after: VIM3:~ # dmesg | grep rtc [ 3.583735] meson-vrtc ff8000a8.rtc: registered as rtc1 [ 3.633888] rtc-hym8563 0-0051: no valid clock/calendar values available [ 3.634120] rtc-hym8563 0-0051: registered as rtc0 [ 3.635250] rtc-hym8563 0-0051: no valid clock/calendar values available [ 3.635267] rtc-hym8563 0-0051: hctosys: unable to read the hardware clock [ 3.852632] rtc-hym8563 0-0051: no valid clock/calendar values available Signed-off-by: Christian Hewitt <[email protected]> --- arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi index 69e6c03a787c..8f8656262ae7 100644 --- a/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi @@ -14,6 +14,8 @@ aliases { serial0 = &uart_AO; ethernet0 = ðmac; + rtc0 = &rtc; + rtc1 = &vrtc; }; chosen { @@ -333,7 +335,7 @@ #gpio-cells = <2>; }; - rtc@51 { + rtc: rtc@51 { compatible = "haoyu,hym8563"; reg = <0x51>; #clock-cells = <0>; -- 2.17.1
