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/linux/Documentation/devicetree/bindings/rtc/
H A Datmel,at91sam9260-rtt.yaml44 - description: Phandle to the GPBR node.
45 - description: Offset within the GPBR block.
47 Should encode the GPBR register used to store the time base when the
48 RTT is used as an RTC. The first cell should point to the GPBR node
49 and the second one encodes the offset within the GPBR block (or in
50 other words, the GPBR register used to store the time base).
70 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
/linux/drivers/rtc/
H A Drtc-at91sam9.c42 * choose from, or a "real" RTC module. All systems have multiple GPBR
72 struct regmap *gpbr; member
90 regmap_read(rtc->gpbr, rtc->gpbr_offset, &val); in gpbr_readl()
97 regmap_write(rtc->gpbr, rtc->gpbr_offset, val); in gpbr_writel()
370 rtc->gpbr = syscon_node_to_regmap(args.np); in at91_rtc_probe()
373 if (IS_ERR(rtc->gpbr)) { in at91_rtc_probe()
374 dev_err(&pdev->dev, "failed to retrieve gpbr regmap, aborting.\n"); in at91_rtc_probe()
H A DKconfig1559 small coin cell battery) which keeps this block and the GPBR
/linux/arch/arm/boot/dts/microchip/
H A Dat91sam9m10g45ek.dts223 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
227 gpbr: syscon@fffffd60 { label
H A Dat91-sam9x60ek.dts301 &gpbr {
650 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dat91sam9rlek.dts216 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dat91sam9261.dtsi646 gpbr: syscon@fffffd50 { label
647 compatible = "atmel,at91sam9260-gpbr", "syscon";
H A Dsama7g5.dtsi285 gpbr: gpbr@e001d060 { label
286 compatible = "microchip,sama7g5-gpbr", "syscon";
H A Dat91sam9260.dtsi738 gpbr: syscon@fffffd50 { label
739 compatible = "atmel,at91sam9260-gpbr", "syscon";
H A Dat91sam9rl.dtsi817 gpbr: syscon@fffffd60 { label
818 compatible = "atmel,at91sam9260-gpbr", "syscon";
H A Dat91sam9263.dtsi753 gpbr: syscon@fffffd60 { label
754 compatible = "atmel,at91sam9260-gpbr", "syscon";
H A Dat91sam9g45.dtsi949 gpbr: syscon@fffffd60 { label
950 compatible = "atmel,at91sam9260-gpbr", "syscon";
H A Dat91-sam9x60_curiosity.dts444 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dat91-sama7g54_curiosity.dts466 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
H A Dat91-sama7g5ek.dts845 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
/linux/drivers/platform/x86/
H A Dsony-laptop.c663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");