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/linux-6.12.1/drivers/rtc/
Drtc-m41t80.c3 * I2C client/driver for the ST M41T80 family of i2c rtc chips.
75 { "m41t80", M41T80_FEATURE_SQ },
98 .compatible = "st,m41t80",
160 struct m41t80_data *m41t80 = i2c_get_clientdata(client); in m41t80_handle_irq() local
164 rtc_lock(m41t80->rtc); in m41t80_handle_irq()
168 rtc_unlock(m41t80->rtc); in m41t80_handle_irq()
174 rtc_unlock(m41t80->rtc); in m41t80_handle_irq()
185 rtc_update_irq(m41t80->rtc, 1, events); in m41t80_handle_irq()
191 rtc_unlock(m41t80->rtc); in m41t80_handle_irq()
441 static unsigned long m41t80_get_freq(struct m41t80_data *m41t80) in m41t80_get_freq() argument
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DKconfig520 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
523 and M41T80 RTC chips series. Currently, the following chips are
524 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
528 will be called rtc-m41t80.
531 bool "ST M41T65/M41T80 series RTC watchdog timer"
535 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
DMakefile86 obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o
/linux-6.12.1/Documentation/devicetree/bindings/rtc/
Dst,m41t80.yaml4 $id: http://devicetree.org/schemas/rtc/st,m41t80.yaml#
7 title: ST M41T80 family of RTC and compatible
17 - st,m41t80
62 compatible = "st,m41t80";
/linux-6.12.1/arch/arm/mach-orion5x/
Ddns323-setup.c401 MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
425 MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
489 * 0x68 | ST M41T80 | RTC w/ alarm
497 I2C_BOARD_INFO("m41t80", 0x68),
506 * 0x68 | ST M41T80 | RTC w/ alarm
512 I2C_BOARD_INFO("m41t80", 0x68),
/linux-6.12.1/arch/powerpc/boot/dts/
Dcurrituck.dts119 compatible = "st,m41t80", "m41st85";
Dsam440ep.dts199 compatible = "st,m41t80";
Dbluestone.dts267 compatible = "st,m41t80";
Dakebono.dts227 compatible = "st,m41t80", "m41st85";
Dcanyonlands.dts322 compatible = "st,m41t80";
Dglacier.dts290 compatible = "st,m41t80";