From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: [PATCH 1/2] dt-bindings: rtc: new binding for Amlogic VRTC Date: Fri, 7 Jun 2019 12:43:42 -0700 Message-ID: <20190607194343.18359-1-khilman@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-rtc@vger.kernel.org, Alexandre Belloni Cc: linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Kevin Hilman List-Id: devicetree@vger.kernel.org From: Kevin Hilman Add binding fo the new VRTC driver for Amlogic SoCs. The 64-bit family of SoCs only has an RTC managed by firmware, and this VRTC driver provides the simple, one-register firmware interface. Signed-off-by: Kevin Hilman --- .../devicetree/bindings/rtc/rtc-meson-vrtc.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/rtc-meson-vrtc.txt diff --git a/Documentation/devicetree/bindings/rtc/rtc-meson-vrtc.txt b/Documentation/devicetree/bindings/rtc/rtc-meson-vrtc.txt new file mode 100644 index 000000000000..f02886179788 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-meson-vrtc.txt @@ -0,0 +1,16 @@ +* Amlogic Virtual RTC (VRTC) + +This is a Linux interface to an RTC managed by firmware, hence it's +virtual from a Linux perspective. The interface is 1 register where +an alarm time is to be written. + +Required properties: +- compatible: should be "amlogic,meson-vrtc" +- reg: physical address for the alarm register + +Example: + + vrtc: rtc@0a8 { + compatible = "amlogic,meson-vrtc"; + reg = <0x0 0x000a8 0x0 0x4>; + }; -- 2.21.0