rtc: rv8803: add Epson RX8803 support

The Epson rx8803 is mostly similar to the Microcrystal RV8803 but the size
of the offset register is 4 bits vs 6 bits but it has a configurable
temperature compensation.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c
index 17ccef5..450a0b8 100644 (file)
--- a/drivers/rtc/rtc-rv8803.c
+++ b/drivers/rtc/rtc-rv8803.c
@@ -615,6 +615,7 @@ static int rv8803_probe(struct i2c_client *client,
 
 static const struct i2c_device_id rv8803_id[] = {
        { "rv8803", rv_8803 },
+       { "rx8803", rv_8803 },
        { "rx8900", rx_8900 },
        { }
 };
@@ -626,6 +627,10 @@ static const struct of_device_id rv8803_of_match[] = {
                .data = (void *)rv_8803
        },
        {
+               .compatible = "epson,rx8803",
+               .data = (void *)rv_8803
+       },
+       {
                .compatible = "epson,rx8900",
                .data = (void *)rx_8900
        },