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| author | Thomas Perrot <thomas.perrot@bootlin.com> | 2023-03-17 15:22:41 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-03-30 15:09:59 -0400 |
| commit | fdef6b982f0a24d4b3a83d107da4f817efa4566f (patch) | |
| tree | fb0a4668cdcd76af321a82d58e400654ceefa367 | |
| parent | 39409fac2c9d9f3cc9cb23b88502b5ff08887339 (diff) | |
| download | u-boot-fdef6b982f0a24d4b3a83d107da4f817efa4566f.zip u-boot-fdef6b982f0a24d4b3a83d107da4f817efa4566f.tar.gz u-boot-fdef6b982f0a24d4b3a83d107da4f817efa4566f.tar.bz2 | |
rtc: m41t62: implements read8/write8 operations
These operations are required by dm_rtc_read and
dm_bootcount_get helpers.
Signed-off-by: Thomas Perrot <thomas.perrot@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/rtc/m41t62.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/rtc/m41t62.c b/drivers/rtc/m41t62.c index 66a0faa..891fe09 100644 --- a/drivers/rtc/m41t62.c +++ b/drivers/rtc/m41t62.c @@ -283,6 +283,16 @@ static int m41t62_rtc_reset(struct udevice *dev) return m41t62_sqw_enable(dev, true); } +static int m41t62_rtc_read8(struct udevice *dev, unsigned int reg) +{ + return dm_i2c_reg_read(dev, reg); +} + +static int m41t62_rtc_write8(struct udevice *dev, unsigned int reg, int val) +{ + return dm_i2c_reg_write(dev, reg, val); +} + /* * Make sure HT bit is cleared. This bit is set on entering battery backup * mode, so do this before the first read access. @@ -296,6 +306,8 @@ static const struct rtc_ops m41t62_rtc_ops = { .get = m41t62_rtc_get, .set = m41t62_rtc_set, .reset = m41t62_rtc_reset, + .read8 = m41t62_rtc_read8, + .write8 = m41t62_rtc_write8, }; static const struct udevice_id m41t62_rtc_ids[] = { |