| Message ID | 20190716101655.47418-2-biwen.li@nxp.com |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
| Series | None | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success |
> -----Original Message----- > From: Biwen Li <biwen.li@nxp.com> > Sent: Tuesday, July 16, 2019 5:17 AM > To: a.zummo@towertech.it; alexandre.belloni@bootlin.com; Leo Li > <leoyang.li@nxp.com>; robh+dt@kernel.org > Cc: linux-rtc@vger.kernel.org; linux-kernel@vger.kernel.org; Xiaobo Xie > <xiaobo.xie@nxp.com>; Jiafei Pan <jiafei.pan@nxp.com>; Ran Wang > <ran.wang_1@nxp.com>; mark.rutland@arm.com; > devicetree@vger.kernel.org; Biwen Li <biwen.li@nxp.com> > Subject: [v5,2/2] Documentation: dt: binding: rtc: add binding for ftm alarm > driver > > The patch adds binding for ftm alarm driver > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > --- > Change in v5: > - None > > Change in v4: > - add note about dts and kernel options > - add aliases in example > > Change in v3: > - remove reg-names property > - correct cells number > > Change in v2: > - replace ls1043a with ls1088a as example > - add rcpm node and fsl,rcpm-wakeup property > > > .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 +++++++++++++++++++ > 1 file changed, 49 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm- > alarm.txt > > diff --git a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > new file mode 100644 > index 000000000000..fb018065406c > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > @@ -0,0 +1,49 @@ > +Freescale FlexTimer Module (FTM) Alarm > + > +Note: > +- The driver depends on RCPM driver > + to wake up system in sleep. > +- Need stop using RTC_HCTOSYS or use the DT aliases > + to ensure the driver is not used as the primary RTC. > + (Select DT aliases defaultly) > + > +Required properties: > +- compatible : Should be "fsl,<chip>-ftm-alarm", the > + supported chips include > + "fsl,ls1012a-ftm-alarm" > + "fsl,ls1021a-ftm-alarm" > + "fsl,ls1028a-ftm-alarm" > + "fsl,ls1043a-ftm-alarm" > + "fsl,ls1046a-ftm-alarm" > + "fsl,ls1088a-ftm-alarm" > + "fsl,ls208xa-ftm-alarm" > +- reg : Specifies base physical address and size of the register sets for the > + FlexTimer Module and base physical address of IP Powerdown Exception > Control > + Register. You removed the IP Powerdown exception register in the examples, but not here. > +- interrupts : Should be the FlexTimer Module interrupt. > +- fsl,rcpm-wakeup property and rcpm node : Please refer > + Documentation/devicetree/bindings/soc/fsl/rcpm.txt > + > +Optional properties: > +- big-endian: If the host controller is big-endian mode, specify this property. > + The default endian mode is little-endian. > + > +Example: > +aliases { > + ... > + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ > + ... > +}; > + > +rcpm: rcpm@1e34040 { > + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; > + reg = <0x0 0x1e34040 0x0 0x18>; > + fsl,#rcpm-wakeup-cells = <6>; > +}; > + > +ftm_alarm0: timer@2800000 { > + compatible = "fsl,ls1088a-ftm-alarm"; > + reg = <0x0 0x2800000 0x0 0x10000>; > + fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>; > + interrupts = <0 44 4>; > +}; > -- > 2.17.1
On Tue, Jul 16, 2019 at 4:26 AM Biwen Li <biwen.li@nxp.com> wrote: > > The patch adds binding for ftm alarm driver Bindings are for h/w, not drivers... 'dt-bindings: rtc: ...' for the subject prefix. > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > --- > Change in v5: > - None > > Change in v4: > - add note about dts and kernel options > - add aliases in example > > Change in v3: > - remove reg-names property > - correct cells number > > Change in v2: > - replace ls1043a with ls1088a as example > - add rcpm node and fsl,rcpm-wakeup property > > > .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 +++++++++++++++++++ > 1 file changed, 49 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > diff --git a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > new file mode 100644 > index 000000000000..fb018065406c > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > @@ -0,0 +1,49 @@ > +Freescale FlexTimer Module (FTM) Alarm > + > +Note: > +- The driver depends on RCPM driver > + to wake up system in sleep. > +- Need stop using RTC_HCTOSYS or use the DT aliases > + to ensure the driver is not used as the primary RTC. > + (Select DT aliases defaultly) This is Linux specific and not relevant to the binding. > + > +Required properties: > +- compatible : Should be "fsl,<chip>-ftm-alarm", the > + supported chips include > + "fsl,ls1012a-ftm-alarm" > + "fsl,ls1021a-ftm-alarm" > + "fsl,ls1028a-ftm-alarm" > + "fsl,ls1043a-ftm-alarm" > + "fsl,ls1046a-ftm-alarm" > + "fsl,ls1088a-ftm-alarm" > + "fsl,ls208xa-ftm-alarm" > +- reg : Specifies base physical address and size of the register sets for the > + FlexTimer Module and base physical address of IP Powerdown Exception Control > + Register. > +- interrupts : Should be the FlexTimer Module interrupt. > +- fsl,rcpm-wakeup property and rcpm node : Please refer > + Documentation/devicetree/bindings/soc/fsl/rcpm.txt > + > +Optional properties: > +- big-endian: If the host controller is big-endian mode, specify this property. > + The default endian mode is little-endian. > + > +Example: > +aliases { > + ... > + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ > + ... > +}; Drop the aliases part. It's not going to work when this is converted to DT schema and the comment is Linux specific. > + > +rcpm: rcpm@1e34040 { > + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; > + reg = <0x0 0x1e34040 0x0 0x18>; > + fsl,#rcpm-wakeup-cells = <6>; Before there are any users of this, either drop it if it is not variable or the correct form would be '#fsl,rcpm-wakeup-cells'. > +}; > + > +ftm_alarm0: timer@2800000 { > + compatible = "fsl,ls1088a-ftm-alarm"; > + reg = <0x0 0x2800000 0x0 0x10000>; > + fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>; > + interrupts = <0 44 4>; > +}; > -- > 2.17.1 >
> > From: Biwen Li <biwen.li@nxp.com> > > Sent: Tuesday, July 16, 2019 5:17 AM > > To: a.zummo@towertech.it; alexandre.belloni@bootlin.com; Leo Li > > <leoyang.li@nxp.com>; robh+dt@kernel.org > > Cc: linux-rtc@vger.kernel.org; linux-kernel@vger.kernel.org; Xiaobo > > Xie <xiaobo.xie@nxp.com>; Jiafei Pan <jiafei.pan@nxp.com>; Ran Wang > > <ran.wang_1@nxp.com>; mark.rutland@arm.com; > > devicetree@vger.kernel.org; Biwen Li <biwen.li@nxp.com> > > Subject: [v5,2/2] Documentation: dt: binding: rtc: add binding for ftm > > alarm driver > > > > The patch adds binding for ftm alarm driver > > > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > > --- > > Change in v5: > > - None > > > > Change in v4: > > - add note about dts and kernel options > > - add aliases in example > > > > Change in v3: > > - remove reg-names property > > - correct cells number > > > > Change in v2: > > - replace ls1043a with ls1088a as example > > - add rcpm node and fsl,rcpm-wakeup property > > > > > > .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 +++++++++++++++++++ > > 1 file changed, 49 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm- > > alarm.txt > > > > diff --git > > a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > new file mode 100644 > > index 000000000000..fb018065406c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > @@ -0,0 +1,49 @@ > > +Freescale FlexTimer Module (FTM) Alarm > > + > > +Note: > > +- The driver depends on RCPM driver > > + to wake up system in sleep. > > +- Need stop using RTC_HCTOSYS or use the DT aliases > > + to ensure the driver is not used as the primary RTC. > > + (Select DT aliases defaultly) > > + > > +Required properties: > > +- compatible : Should be "fsl,<chip>-ftm-alarm", the > > + supported chips include > > + "fsl,ls1012a-ftm-alarm" > > + "fsl,ls1021a-ftm-alarm" > > + "fsl,ls1028a-ftm-alarm" > > + "fsl,ls1043a-ftm-alarm" > > + "fsl,ls1046a-ftm-alarm" > > + "fsl,ls1088a-ftm-alarm" > > + "fsl,ls208xa-ftm-alarm" > > +- reg : Specifies base physical address and size of the register sets > > +for the > > + FlexTimer Module and base physical address of IP Powerdown > > +Exception > > Control > > + Register. > > You removed the IP Powerdown exception register in the examples, but not > here. Ok,I will remove it in v6. > > > +- interrupts : Should be the FlexTimer Module interrupt. > > +- fsl,rcpm-wakeup property and rcpm node : Please refer > > + Documentation/devicetree/bindings/soc/fsl/rcpm.txt > > + > > +Optional properties: > > +- big-endian: If the host controller is big-endian mode, specify this property. > > + The default endian mode is little-endian. > > + > > +Example: > > +aliases { > > + ... > > + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ > > + ... > > +}; > > + > > +rcpm: rcpm@1e34040 { > > + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; > > + reg = <0x0 0x1e34040 0x0 0x18>; > > + fsl,#rcpm-wakeup-cells = <6>; > > +}; > > + > > +ftm_alarm0: timer@2800000 { > > + compatible = "fsl,ls1088a-ftm-alarm"; > > + reg = <0x0 0x2800000 0x0 0x10000>; > > + fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>; > > + interrupts = <0 44 4>; > > +}; > > -- > > 2.17.1
> > Caution: EXT Email > > On Tue, Jul 16, 2019 at 4:26 AM Biwen Li <biwen.li@nxp.com> wrote: > > > > The patch adds binding for ftm alarm driver > > Bindings are for h/w, not drivers... > > 'dt-bindings: rtc: ...' for the subject prefix. I will correct it in v6. > > > > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > > --- > > Change in v5: > > - None > > > > Change in v4: > > - add note about dts and kernel options > > - add aliases in example > > > > Change in v3: > > - remove reg-names property > > - correct cells number > > > > Change in v2: > > - replace ls1043a with ls1088a as example > > - add rcpm node and fsl,rcpm-wakeup property > > > > > > .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 +++++++++++++++++++ > > 1 file changed, 49 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > > diff --git > > a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > new file mode 100644 > > index 000000000000..fb018065406c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > @@ -0,0 +1,49 @@ > > +Freescale FlexTimer Module (FTM) Alarm > > + > > +Note: > > +- The driver depends on RCPM driver > > + to wake up system in sleep. > > +- Need stop using RTC_HCTOSYS or use the DT aliases > > + to ensure the driver is not used as the primary RTC. > > + (Select DT aliases defaultly) > > This is Linux specific and not relevant to the binding. Ok, I will remove all of the Note in v6. > > > + > > +Required properties: > > +- compatible : Should be "fsl,<chip>-ftm-alarm", the > > + supported chips include > > + "fsl,ls1012a-ftm-alarm" > > + "fsl,ls1021a-ftm-alarm" > > + "fsl,ls1028a-ftm-alarm" > > + "fsl,ls1043a-ftm-alarm" > > + "fsl,ls1046a-ftm-alarm" > > + "fsl,ls1088a-ftm-alarm" > > + "fsl,ls208xa-ftm-alarm" > > +- reg : Specifies base physical address and size of the register sets > > +for the > > + FlexTimer Module and base physical address of IP Powerdown > > +Exception Control > > + Register. > > +- interrupts : Should be the FlexTimer Module interrupt. > > +- fsl,rcpm-wakeup property and rcpm node : Please refer > > + Documentation/devicetree/bindings/soc/fsl/rcpm.txt > > + > > +Optional properties: > > +- big-endian: If the host controller is big-endian mode, specify this property. > > + The default endian mode is little-endian. > > + > > +Example: > > +aliases { > > + ... > > + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ > > + ... > > +}; > > Drop the aliases part. It's not going to work when this is converted to DT schema > and the comment is Linux specific. Sorry,I can't drop the aliases part. If any user uses the alarm driver as rtc0, the user will get wrong time from /dev/rtc0.It is very important. > > > + > > +rcpm: rcpm@1e34040 { > > + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; > > + reg = <0x0 0x1e34040 0x0 0x18>; > > + fsl,#rcpm-wakeup-cells = <6>; > > Before there are any users of this, either drop it if it is not variable or the correct > form would be '#fsl,rcpm-wakeup-cells'. I will replace 'fsl,#rcpm-wakeup-cells' with '#fsl,rcpm-wakeup-cells' in v6. > > > +}; > > + > > +ftm_alarm0: timer@2800000 { > > + compatible = "fsl,ls1088a-ftm-alarm"; > > + reg = <0x0 0x2800000 0x0 0x10000>; > > + fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>; > > + interrupts = <0 44 4>; > > +}; > > -- > > 2.17.1 > >
On Wed, Jul 17, 2019 at 4:05 AM Biwen Li <biwen.li@nxp.com> wrote: > > > > > Caution: EXT Email > > > > On Tue, Jul 16, 2019 at 4:26 AM Biwen Li <biwen.li@nxp.com> wrote: > > > > > > The patch adds binding for ftm alarm driver > > > > Bindings are for h/w, not drivers... > > > > 'dt-bindings: rtc: ...' for the subject prefix. > I will correct it in v6. > > > > > > > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > > > --- > > > Change in v5: > > > - None > > > > > > Change in v4: > > > - add note about dts and kernel options > > > - add aliases in example > > > > > > Change in v3: > > > - remove reg-names property > > > - correct cells number > > > > > > Change in v2: > > > - replace ls1043a with ls1088a as example > > > - add rcpm node and fsl,rcpm-wakeup property > > > > > > > > > .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 +++++++++++++++++++ > > > 1 file changed, 49 insertions(+) > > > create mode 100644 > > > Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > > > > diff --git > > > a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > new file mode 100644 > > > index 000000000000..fb018065406c > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > @@ -0,0 +1,49 @@ > > > +Freescale FlexTimer Module (FTM) Alarm > > > + > > > +Note: > > > +- The driver depends on RCPM driver > > > + to wake up system in sleep. > > > +- Need stop using RTC_HCTOSYS or use the DT aliases > > > + to ensure the driver is not used as the primary RTC. > > > + (Select DT aliases defaultly) > > > > This is Linux specific and not relevant to the binding. > Ok, I will remove all of the Note in v6. > > > > > + > > > +Required properties: > > > +- compatible : Should be "fsl,<chip>-ftm-alarm", the > > > + supported chips include > > > + "fsl,ls1012a-ftm-alarm" > > > + "fsl,ls1021a-ftm-alarm" > > > + "fsl,ls1028a-ftm-alarm" > > > + "fsl,ls1043a-ftm-alarm" > > > + "fsl,ls1046a-ftm-alarm" > > > + "fsl,ls1088a-ftm-alarm" > > > + "fsl,ls208xa-ftm-alarm" > > > +- reg : Specifies base physical address and size of the register sets > > > +for the > > > + FlexTimer Module and base physical address of IP Powerdown > > > +Exception Control > > > + Register. > > > +- interrupts : Should be the FlexTimer Module interrupt. > > > +- fsl,rcpm-wakeup property and rcpm node : Please refer > > > + Documentation/devicetree/bindings/soc/fsl/rcpm.txt > > > + > > > +Optional properties: > > > +- big-endian: If the host controller is big-endian mode, specify this property. > > > + The default endian mode is little-endian. > > > + > > > +Example: > > > +aliases { > > > + ... > > > + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ > > > + ... > > > +}; > > > > Drop the aliases part. It's not going to work when this is converted to DT schema > > and the comment is Linux specific. > Sorry,I can't drop the aliases part. If any user uses the alarm driver as rtc0, > the user will get wrong time from /dev/rtc0.It is very important. I just mean don't put it in the example. You can use it in your dts file.
> > > > > > > > Caution: EXT Email > > > > > > On Tue, Jul 16, 2019 at 4:26 AM Biwen Li <biwen.li@nxp.com> wrote: > > > > > > > > The patch adds binding for ftm alarm driver > > > > > > Bindings are for h/w, not drivers... > > > > > > 'dt-bindings: rtc: ...' for the subject prefix. > > I will correct it in v6. > > > > > > > > > > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > > > > --- > > > > Change in v5: > > > > - None > > > > > > > > Change in v4: > > > > - add note about dts and kernel options > > > > - add aliases in example > > > > > > > > Change in v3: > > > > - remove reg-names property > > > > - correct cells number > > > > > > > > Change in v2: > > > > - replace ls1043a with ls1088a as example > > > > - add rcpm node and fsl,rcpm-wakeup property > > > > > > > > > > > > .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 > +++++++++++++++++++ > > > > 1 file changed, 49 insertions(+) > > > > create mode 100644 > > > > Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > > > > > > diff --git > > > > a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > > b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > > new file mode 100644 > > > > index 000000000000..fb018065406c > > > > --- /dev/null > > > > +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt > > > > @@ -0,0 +1,49 @@ > > > > +Freescale FlexTimer Module (FTM) Alarm > > > > + > > > > +Note: > > > > +- The driver depends on RCPM driver > > > > + to wake up system in sleep. > > > > +- Need stop using RTC_HCTOSYS or use the DT aliases > > > > + to ensure the driver is not used as the primary RTC. > > > > + (Select DT aliases defaultly) > > > > > > This is Linux specific and not relevant to the binding. > > Ok, I will remove all of the Note in v6. > > > > > > > + > > > > +Required properties: > > > > +- compatible : Should be "fsl,<chip>-ftm-alarm", the > > > > + supported chips include > > > > + "fsl,ls1012a-ftm-alarm" > > > > + "fsl,ls1021a-ftm-alarm" > > > > + "fsl,ls1028a-ftm-alarm" > > > > + "fsl,ls1043a-ftm-alarm" > > > > + "fsl,ls1046a-ftm-alarm" > > > > + "fsl,ls1088a-ftm-alarm" > > > > + "fsl,ls208xa-ftm-alarm" > > > > +- reg : Specifies base physical address and size of the register > > > > +sets for the > > > > + FlexTimer Module and base physical address of IP Powerdown > > > > +Exception Control > > > > + Register. > > > > +- interrupts : Should be the FlexTimer Module interrupt. > > > > +- fsl,rcpm-wakeup property and rcpm node : Please refer > > > > + Documentation/devicetree/bindings/soc/fsl/rcpm.txt > > > > + > > > > +Optional properties: > > > > +- big-endian: If the host controller is big-endian mode, specify this > property. > > > > + The default endian mode is little-endian. > > > > + > > > > +Example: > > > > +aliases { > > > > + ... > > > > + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ > > > > + ... > > > > +}; > > > > > > Drop the aliases part. It's not going to work when this is converted > > > to DT schema and the comment is Linux specific. > > Sorry,I can't drop the aliases part. If any user uses the alarm driver > > as rtc0, the user will get wrong time from /dev/rtc0.It is very important. > > I just mean don't put it in the example. You can use it in your dts file. Thank you so much,I need put it in the example for a note(Please not use it as rtc0). I use it as a note in the example to avoid that someone use FlexTimer module as rtc0.
diff --git a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt new file mode 100644 index 000000000000..fb018065406c --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt @@ -0,0 +1,49 @@ +Freescale FlexTimer Module (FTM) Alarm + +Note: +- The driver depends on RCPM driver + to wake up system in sleep. +- Need stop using RTC_HCTOSYS or use the DT aliases + to ensure the driver is not used as the primary RTC. + (Select DT aliases defaultly) + +Required properties: +- compatible : Should be "fsl,<chip>-ftm-alarm", the + supported chips include + "fsl,ls1012a-ftm-alarm" + "fsl,ls1021a-ftm-alarm" + "fsl,ls1028a-ftm-alarm" + "fsl,ls1043a-ftm-alarm" + "fsl,ls1046a-ftm-alarm" + "fsl,ls1088a-ftm-alarm" + "fsl,ls208xa-ftm-alarm" +- reg : Specifies base physical address and size of the register sets for the + FlexTimer Module and base physical address of IP Powerdown Exception Control + Register. +- interrupts : Should be the FlexTimer Module interrupt. +- fsl,rcpm-wakeup property and rcpm node : Please refer + Documentation/devicetree/bindings/soc/fsl/rcpm.txt + +Optional properties: +- big-endian: If the host controller is big-endian mode, specify this property. + The default endian mode is little-endian. + +Example: +aliases { + ... + rtc1 = ftm_alarm0; /* Use flextimer alarm driver as /dev/rtc1 */ + ... +}; + +rcpm: rcpm@1e34040 { + compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+"; + reg = <0x0 0x1e34040 0x0 0x18>; + fsl,#rcpm-wakeup-cells = <6>; +}; + +ftm_alarm0: timer@2800000 { + compatible = "fsl,ls1088a-ftm-alarm"; + reg = <0x0 0x2800000 0x0 0x10000>; + fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>; + interrupts = <0 44 4>; +};
The patch adds binding for ftm alarm driver Signed-off-by: Biwen Li <biwen.li@nxp.com> --- Change in v5: - None Change in v4: - add note about dts and kernel options - add aliases in example Change in v3: - remove reg-names property - correct cells number Change in v2: - replace ls1043a with ls1088a as example - add rcpm node and fsl,rcpm-wakeup property .../bindings/rtc/rtc-fsl-ftm-alarm.txt | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt