Add some properties for pcf85263/pcf85363 as follows: - interrupt-output-pin: string type - quartz-load-capacitance: integer type - quartz-drive-strength: integer type - quartz-low-jitter: bool type - wakeup-source: bool type
Signed-off-by: Martin Fuzzey <[email protected]> Signed-off-by: Biwen Li <[email protected]> --- .../devicetree/bindings/rtc/pcf85363.txt | 31 +++++++++++++++++++ include/dt-bindings/rtc/pcf85363.h | 15 +++++++++ 2 files changed, 46 insertions(+) create mode 100644 include/dt-bindings/rtc/pcf85363.h diff --git a/Documentation/devicetree/bindings/rtc/pcf85363.txt b/Documentation/devicetree/bindings/rtc/pcf85363.txt index 94adc1cf93d9..d83359990bd7 100644 --- a/Documentation/devicetree/bindings/rtc/pcf85363.txt +++ b/Documentation/devicetree/bindings/rtc/pcf85363.txt @@ -8,10 +8,41 @@ Required properties: Optional properties: - interrupts: IRQ line for the RTC (not implemented). +- interrupt-output-pin: The interrupt output pin must be + "NONE", "INTA" or "INTB", default value is "NONE" + +- quartz-load-capacitance: The internal capacitor to select for the quartz: + PCF85263_QUARTZCAP_7pF [0] + PCF85263_QUARTZCAP_6pF [1] + PCF85263_QUARTZCAP_12p5pF [2] DEFAULT + +- quartz-drive-strength: Drive strength for the quartz: + PCF85263_QUARTZDRIVE_NORMAL [0] DEFAULT + PCF85263_QUARTZDRIVE_LOW [1] + PCF85263_QUARTZDRIVE_HIGH [2] + +- quartz-low-jitter: Boolean property, if present enables low jitter mode + which reduces jitter at the cost of increased power consumption. + +- wakeup-source: Boolean property, mark the chip as a wakeup source, + independently of the availability of an IRQ line connected to the SoC. + This is useful if the IRQ line is connected to a PMIC or other circuit + that can power up the device rather than to a normal SOC interrupt. + Example: pcf85363: pcf85363@51 { compatible = "nxp,pcf85363"; reg = <0x51>; + + interrupt-parent = <&gpio1>; + interrupts = <18 IRQ_TYPE_EDGE_FALLING>; + + #include <dt-bindings/rtc/pcf85363.h> + wakeup-source; + interrupt-output-pin = "INTA"; + quartz-load-capacitance = <PCF85363_QUARTZCAP_12p5pF>; + quartz-drive-strength = <PCF85363_QUARTZDRIVE_LOW>; + quartz-low-jitter; }; diff --git a/include/dt-bindings/rtc/pcf85363.h b/include/dt-bindings/rtc/pcf85363.h new file mode 100644 index 000000000000..2c06c28eb5ff --- /dev/null +++ b/include/dt-bindings/rtc/pcf85363.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _DT_BINDINGS_RTC_PCF85363_H +#define _DT_BINDINGS_RTC_PCF85363_H + +/* Quartz capacitance */ +#define PCF85363_QUARTZCAP_7pF 0 +#define PCF85363_QUARTZCAP_6pF 1 +#define PCF85363_QUARTZCAP_12p5pF 2 + +/* Quartz drive strength */ +#define PCF85363_QUARTZDRIVE_NORMAL 0 +#define PCF85363_QUARTZDRIVE_LOW 1 +#define PCF85363_QUARTZDRIVE_HIGH 2 + +#endif /* _DT_BINDINGS_RTC_PCF85363_H */ -- 2.17.1
