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authorAkinobu Mita <akinobu.mita@gmail.com>2016-12-04 23:04:39 +0900
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2016-12-19 00:59:21 +0100
commit0b6a8f5c9bebe51b95ff23939db570e8d298a36f (patch)
treeea663bd68c43da6e15dc01bf5bf6fabc22ebeca9 /Documentation
parent9c19b8930d2cf95f5dc5ec11610400a7c61845d1 (diff)
downloadlinux-stericsson-0b6a8f5c9bebe51b95ff23939db570e8d298a36f.tar.gz
rtc: add support for EPSON TOYOCOM RTC-7301SF/DG
This adds support for EPSON TOYOCOM RTC-7301SF/DG which has parallel interface compatible with SRAM. This driver supports basic clock, calendar and alarm functionality. Tested with Microblaze linux running on Artix7 FPGA board with my own custom IP for RTC-7301. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/rtc/epson,rtc7301.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/epson,rtc7301.txt b/Documentation/devicetree/bindings/rtc/epson,rtc7301.txt
new file mode 100644
index 000000000000..5f9df3f1467c
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/epson,rtc7301.txt
@@ -0,0 +1,16 @@
+EPSON TOYOCOM RTC-7301SF/DG
+
+Required properties:
+
+- compatible: Should be "epson,rtc7301sf" or "epson,rtc7301dg"
+- reg: Specifies base physical address and size of the registers.
+- interrupts: A single interrupt specifier.
+
+Example:
+
+rtc: rtc@44a00000 {
+ compatible = "epson,rtc7301dg";
+ reg = <0x44a00000 0x10000>;
+ interrupt-parent = <&axi_intc_0>;
+ interrupts = <3 2>;
+};