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| author | Chuanhua Han <chuanhua.han@nxp.com> | 2019-07-26 19:24:00 +0800 |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2019-08-22 09:07:36 +0530 |
| commit | db07c447caacd5f9003a57ef2802afa8a4c81348 (patch) | |
| tree | 03bd2a7657d4cfecd4a9684fbc87c7c29eac1da0 /include | |
| parent | 6672ab1628a7837361524ebbc5e2119be9202fa7 (diff) | |
| download | u-boot-db07c447caacd5f9003a57ef2802afa8a4c81348.tar.gz u-boot-db07c447caacd5f9003a57ef2802afa8a4c81348.tar.bz2 u-boot-db07c447caacd5f9003a57ef2802afa8a4c81348.zip | |
rtc: ds3232/ds3231: Add support to generate 32KHz output for driver module
Add an implementation of the rtc_enable_32khz_output() that uses the
driver model i2c APIs.
Also put code related to rtc_enable_32khz_output
under CONFIG_RTC_ENABLE_32KHZ_OUTPUT.
Signed-off-by: Chuanhua Han <chuanhua.han@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/ls2080aqds.h | 1 | ||||
| -rw-r--r-- | include/rtc.h | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/configs/ls2080aqds.h b/include/configs/ls2080aqds.h index 18f30b585c..81af1d9ea4 100644 --- a/include/configs/ls2080aqds.h +++ b/include/configs/ls2080aqds.h @@ -325,6 +325,7 @@ unsigned long get_board_ddr_clk(void); #define RTC #define CONFIG_RTC_DS3231 1 #define CONFIG_SYS_I2C_RTC_ADDR 0x68 +#define CONFIG_RTC_ENABLE_32KHZ_OUTPUT /* EEPROM */ #define CONFIG_ID_EEPROM diff --git a/include/rtc.h b/include/rtc.h index b255bdc7a3..7386d52db1 100644 --- a/include/rtc.h +++ b/include/rtc.h @@ -166,11 +166,17 @@ int rtc_read32(struct udevice *dev, unsigned int reg, u32 *valuep); */ int rtc_write32(struct udevice *dev, unsigned int reg, u32 value); +#ifdef CONFIG_RTC_ENABLE_32KHZ_OUTPUT +int rtc_enable_32khz_output(int busnum, int chip_addr); +#endif + #else int rtc_get (struct rtc_time *); int rtc_set (struct rtc_time *); void rtc_reset (void); +#ifdef CONFIG_RTC_ENABLE_32KHZ_OUTPUT void rtc_enable_32khz_output(void); +#endif /** * rtc_read8() - Read an 8-bit register |