* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-09 16:48 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-09 16:48 UTC (permalink / raw) To: linux-arm-kernel, devicetree, Liviu Dudau; +Cc: Rob Herring, Sudeep Holla The latest DTC throws warnings for character '_' in the node names. Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name The general recommendation is to use character '-' for all the node names. This patch fixes the warnings following the recommendation. Cc: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index 7b8ff5b3b912..58e73131ecef 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -77,19 +77,19 @@ compatible = "arm,vexpress-sysreg"; reg = <0x010000 0x1000>; - v2m_led_gpios: sys_led { + v2m_led_gpios: sys-led { compatible = "arm,vexpress-sysreg,sys_led"; gpio-controller; #gpio-cells = <2>; }; - v2m_mmc_gpios: sys_mci { + v2m_mmc_gpios: sys-mci { compatible = "arm,vexpress-sysreg,sys_mci"; gpio-controller; #gpio-cells = <2>; }; - v2m_flash_gpios: sys_flash { + v2m_flash_gpios: sys-flash { compatible = "arm,vexpress-sysreg,sys_flash"; gpio-controller; #gpio-cells = <2>; -- 2.7.4 ^ permalink raw reply related [flat|nested] 20+ messages in thread
* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-09 16:48 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-09 16:48 UTC (permalink / raw) To: linux-arm-kernel The latest DTC throws warnings for character '_' in the node names. Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name The general recommendation is to use character '-' for all the node names. This patch fixes the warnings following the recommendation. Cc: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index 7b8ff5b3b912..58e73131ecef 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -77,19 +77,19 @@ compatible = "arm,vexpress-sysreg"; reg = <0x010000 0x1000>; - v2m_led_gpios: sys_led { + v2m_led_gpios: sys-led { compatible = "arm,vexpress-sysreg,sys_led"; gpio-controller; #gpio-cells = <2>; }; - v2m_mmc_gpios: sys_mci { + v2m_mmc_gpios: sys-mci { compatible = "arm,vexpress-sysreg,sys_mci"; gpio-controller; #gpio-cells = <2>; }; - v2m_flash_gpios: sys_flash { + v2m_flash_gpios: sys-flash { compatible = "arm,vexpress-sysreg,sys_flash"; gpio-controller; #gpio-cells = <2>; -- 2.7.4 ^ permalink raw reply related [flat|nested] 20+ messages in thread
* Re: [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names 2018-05-09 16:48 ` Sudeep Holla @ 2018-05-09 21:14 ` Rob Herring -1 siblings, 0 replies; 20+ messages in thread From: Rob Herring @ 2018-05-09 21:14 UTC (permalink / raw) To: Sudeep Holla, Linus Walleij Cc: devicetree, Liviu Dudau, moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: > The latest DTC throws warnings for character '_' in the node names. > > Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name > > The general recommendation is to use character '-' for all the node names. > This patch fixes the warnings following the recommendation. > > Cc: Liviu Dudau <liviu.dudau@arm.com> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > --- > arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > index 7b8ff5b3b912..58e73131ecef 100644 > --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > @@ -77,19 +77,19 @@ > compatible = "arm,vexpress-sysreg"; > reg = <0x010000 0x1000>; > > - v2m_led_gpios: sys_led { > + v2m_led_gpios: sys-led { Except this is a gpio-controller so it should have 'gpio' for its node name. (I have a dtc check written for that, but there are too many false positives.) But then you have 3 of them and no addressing, so you need to add reg property (with the register's offset and size) and unit-address. I'm surprised Linus W accepted these a GPIO when they are not really general purpose, but then lots of things slip in. Rob ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-09 21:14 ` Rob Herring 0 siblings, 0 replies; 20+ messages in thread From: Rob Herring @ 2018-05-09 21:14 UTC (permalink / raw) To: linux-arm-kernel On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: > The latest DTC throws warnings for character '_' in the node names. > > Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name > > The general recommendation is to use character '-' for all the node names. > This patch fixes the warnings following the recommendation. > > Cc: Liviu Dudau <liviu.dudau@arm.com> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > --- > arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > index 7b8ff5b3b912..58e73131ecef 100644 > --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > @@ -77,19 +77,19 @@ > compatible = "arm,vexpress-sysreg"; > reg = <0x010000 0x1000>; > > - v2m_led_gpios: sys_led { > + v2m_led_gpios: sys-led { Except this is a gpio-controller so it should have 'gpio' for its node name. (I have a dtc check written for that, but there are too many false positives.) But then you have 3 of them and no addressing, so you need to add reg property (with the register's offset and size) and unit-address. I'm surprised Linus W accepted these a GPIO when they are not really general purpose, but then lots of things slip in. Rob ^ permalink raw reply [flat|nested] 20+ messages in thread
* Re: [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names 2018-05-09 21:14 ` Rob Herring @ 2018-05-10 10:51 ` Sudeep Holla -1 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-10 10:51 UTC (permalink / raw) To: Rob Herring, Linus Walleij Cc: devicetree, Liviu Dudau, linux-arm-kernel, Sudeep Holla On 09/05/18 22:14, Rob Herring wrote: > On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> The latest DTC throws warnings for character '_' in the node names. >> >> Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name >> >> The general recommendation is to use character '-' for all the node names. >> This patch fixes the warnings following the recommendation. >> >> Cc: Liviu Dudau <liviu.dudau@arm.com> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >> --- >> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> index 7b8ff5b3b912..58e73131ecef 100644 >> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> @@ -77,19 +77,19 @@ >> compatible = "arm,vexpress-sysreg"; >> reg = <0x010000 0x1000>; >> >> - v2m_led_gpios: sys_led { >> + v2m_led_gpios: sys-led { > > Except this is a gpio-controller so it should have 'gpio' for its node > name. (I have a dtc check written for that, but there are too many > false positives.) > True, sorry I didn't look at it in detail. > But then you have 3 of them and no addressing, so you need to add reg > property (with the register's offset and size) and unit-address. > Indeed. I had a look at the history but couldn't gather much. All I could get is that this is one of those weird mix of all functionality on ARM Ltd platforms which fits no subsystem. Me and Lorenzo has similar issue on TC2 platform. Pawel seem to have plumed this system control registers block into MFD and GPIO long back. > I'm surprised Linus W accepted these a GPIO when they are not really > general purpose, but then lots of things slip in. > I assume all these happened in early days of DT. I will drop this for now. I will take a look if these nodes can be made better to align with standard gpio controller nodes. -- Regards, Sudeep ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-10 10:51 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-10 10:51 UTC (permalink / raw) To: linux-arm-kernel On 09/05/18 22:14, Rob Herring wrote: > On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> The latest DTC throws warnings for character '_' in the node names. >> >> Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name >> >> The general recommendation is to use character '-' for all the node names. >> This patch fixes the warnings following the recommendation. >> >> Cc: Liviu Dudau <liviu.dudau@arm.com> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >> --- >> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> index 7b8ff5b3b912..58e73131ecef 100644 >> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> @@ -77,19 +77,19 @@ >> compatible = "arm,vexpress-sysreg"; >> reg = <0x010000 0x1000>; >> >> - v2m_led_gpios: sys_led { >> + v2m_led_gpios: sys-led { > > Except this is a gpio-controller so it should have 'gpio' for its node > name. (I have a dtc check written for that, but there are too many > false positives.) > True, sorry I didn't look at it in detail. > But then you have 3 of them and no addressing, so you need to add reg > property (with the register's offset and size) and unit-address. > Indeed. I had a look at the history but couldn't gather much. All I could get is that this is one of those weird mix of all functionality on ARM Ltd platforms which fits no subsystem. Me and Lorenzo has similar issue on TC2 platform. Pawel seem to have plumed this system control registers block into MFD and GPIO long back. > I'm surprised Linus W accepted these a GPIO when they are not really > general purpose, but then lots of things slip in. > I assume all these happened in early days of DT. I will drop this for now. I will take a look if these nodes can be made better to align with standard gpio controller nodes. -- Regards, Sudeep ^ permalink raw reply [flat|nested] 20+ messages in thread
* Re: [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names 2018-05-10 10:51 ` Sudeep Holla @ 2018-05-10 14:05 ` Rob Herring -1 siblings, 0 replies; 20+ messages in thread From: Rob Herring @ 2018-05-10 14:05 UTC (permalink / raw) To: Sudeep Holla Cc: devicetree, Linus Walleij, Liviu Dudau, moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE On Thu, May 10, 2018 at 5:51 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: > > > On 09/05/18 22:14, Rob Herring wrote: >> On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >>> The latest DTC throws warnings for character '_' in the node names. >>> >>> Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name >>> Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name >>> Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name >>> >>> The general recommendation is to use character '-' for all the node names. >>> This patch fixes the warnings following the recommendation. >>> >>> Cc: Liviu Dudau <liviu.dudau@arm.com> >>> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >>> --- >>> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >>> 1 file changed, 3 insertions(+), 3 deletions(-) >>> >>> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>> index 7b8ff5b3b912..58e73131ecef 100644 >>> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>> @@ -77,19 +77,19 @@ >>> compatible = "arm,vexpress-sysreg"; >>> reg = <0x010000 0x1000>; >>> >>> - v2m_led_gpios: sys_led { >>> + v2m_led_gpios: sys-led { >> >> Except this is a gpio-controller so it should have 'gpio' for its node >> name. (I have a dtc check written for that, but there are too many >> false positives.) >> > > True, sorry I didn't look at it in detail. > >> But then you have 3 of them and no addressing, so you need to add reg >> property (with the register's offset and size) and unit-address. >> > > Indeed. I had a look at the history but couldn't gather much. All I > could get is that this is one of those weird mix of all functionality on > ARM Ltd platforms which fits no subsystem. Me and Lorenzo has similar > issue on TC2 platform. Pawel seem to have plumed this system control > registers block into MFD and GPIO long back. > >> I'm surprised Linus W accepted these a GPIO when they are not really >> general purpose, but then lots of things slip in. >> > > I assume all these happened in early days of DT. > > I will drop this for now. I will take a look if these nodes can be made > better to align with standard gpio controller nodes. Why not just make the changes I suggested? It shouldn't break anything. You can add reg property even though the kernel doesn't use it. Rob ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-10 14:05 ` Rob Herring 0 siblings, 0 replies; 20+ messages in thread From: Rob Herring @ 2018-05-10 14:05 UTC (permalink / raw) To: linux-arm-kernel On Thu, May 10, 2018 at 5:51 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: > > > On 09/05/18 22:14, Rob Herring wrote: >> On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >>> The latest DTC throws warnings for character '_' in the node names. >>> >>> Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name >>> Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name >>> Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name >>> >>> The general recommendation is to use character '-' for all the node names. >>> This patch fixes the warnings following the recommendation. >>> >>> Cc: Liviu Dudau <liviu.dudau@arm.com> >>> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >>> --- >>> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >>> 1 file changed, 3 insertions(+), 3 deletions(-) >>> >>> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>> index 7b8ff5b3b912..58e73131ecef 100644 >>> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>> @@ -77,19 +77,19 @@ >>> compatible = "arm,vexpress-sysreg"; >>> reg = <0x010000 0x1000>; >>> >>> - v2m_led_gpios: sys_led { >>> + v2m_led_gpios: sys-led { >> >> Except this is a gpio-controller so it should have 'gpio' for its node >> name. (I have a dtc check written for that, but there are too many >> false positives.) >> > > True, sorry I didn't look at it in detail. > >> But then you have 3 of them and no addressing, so you need to add reg >> property (with the register's offset and size) and unit-address. >> > > Indeed. I had a look at the history but couldn't gather much. All I > could get is that this is one of those weird mix of all functionality on > ARM Ltd platforms which fits no subsystem. Me and Lorenzo has similar > issue on TC2 platform. Pawel seem to have plumed this system control > registers block into MFD and GPIO long back. > >> I'm surprised Linus W accepted these a GPIO when they are not really >> general purpose, but then lots of things slip in. >> > > I assume all these happened in early days of DT. > > I will drop this for now. I will take a look if these nodes can be made > better to align with standard gpio controller nodes. Why not just make the changes I suggested? It shouldn't break anything. You can add reg property even though the kernel doesn't use it. Rob ^ permalink raw reply [flat|nested] 20+ messages in thread
* Re: [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names 2018-05-10 14:05 ` Rob Herring @ 2018-05-10 14:16 ` Sudeep Holla -1 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-10 14:16 UTC (permalink / raw) To: Rob Herring Cc: devicetree, Linus Walleij, Liviu Dudau, moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE, Sudeep Holla On 10/05/18 15:05, Rob Herring wrote: > On Thu, May 10, 2018 at 5:51 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> >> >> On 09/05/18 22:14, Rob Herring wrote: >>> On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >>>> The latest DTC throws warnings for character '_' in the node names. >>>> >>>> Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name >>>> Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name >>>> Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name >>>> >>>> The general recommendation is to use character '-' for all the node names. >>>> This patch fixes the warnings following the recommendation. >>>> >>>> Cc: Liviu Dudau <liviu.dudau@arm.com> >>>> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >>>> --- >>>> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >>>> 1 file changed, 3 insertions(+), 3 deletions(-) >>>> >>>> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>>> index 7b8ff5b3b912..58e73131ecef 100644 >>>> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>>> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>>> @@ -77,19 +77,19 @@ >>>> compatible = "arm,vexpress-sysreg"; >>>> reg = <0x010000 0x1000>; >>>> >>>> - v2m_led_gpios: sys_led { >>>> + v2m_led_gpios: sys-led { >>> >>> Except this is a gpio-controller so it should have 'gpio' for its node >>> name. (I have a dtc check written for that, but there are too many >>> false positives.) >>> >> >> True, sorry I didn't look at it in detail. >> >>> But then you have 3 of them and no addressing, so you need to add reg >>> property (with the register's offset and size) and unit-address. >>> >> >> Indeed. I had a look at the history but couldn't gather much. All I >> could get is that this is one of those weird mix of all functionality on >> ARM Ltd platforms which fits no subsystem. Me and Lorenzo has similar >> issue on TC2 platform. Pawel seem to have plumed this system control >> registers block into MFD and GPIO long back. >> >>> I'm surprised Linus W accepted these a GPIO when they are not really >>> general purpose, but then lots of things slip in. >>> >> >> I assume all these happened in early days of DT. >> >> I will drop this for now. I will take a look if these nodes can be made >> better to align with standard gpio controller nodes. > > Why not just make the changes I suggested? It shouldn't break > anything. You can add reg property even though the kernel doesn't use > it. > Ah OK. That makes sense. IIRC it used to have some @<offset> value previously which has some correlation to HW block. I will dig that out. Sorry I missed that you were suggesting to add reg property. -- Regards, Sudeep ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-10 14:16 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-10 14:16 UTC (permalink / raw) To: linux-arm-kernel On 10/05/18 15:05, Rob Herring wrote: > On Thu, May 10, 2018 at 5:51 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> >> >> On 09/05/18 22:14, Rob Herring wrote: >>> On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >>>> The latest DTC throws warnings for character '_' in the node names. >>>> >>>> Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name >>>> Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name >>>> Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name >>>> >>>> The general recommendation is to use character '-' for all the node names. >>>> This patch fixes the warnings following the recommendation. >>>> >>>> Cc: Liviu Dudau <liviu.dudau@arm.com> >>>> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >>>> --- >>>> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >>>> 1 file changed, 3 insertions(+), 3 deletions(-) >>>> >>>> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>>> index 7b8ff5b3b912..58e73131ecef 100644 >>>> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>>> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >>>> @@ -77,19 +77,19 @@ >>>> compatible = "arm,vexpress-sysreg"; >>>> reg = <0x010000 0x1000>; >>>> >>>> - v2m_led_gpios: sys_led { >>>> + v2m_led_gpios: sys-led { >>> >>> Except this is a gpio-controller so it should have 'gpio' for its node >>> name. (I have a dtc check written for that, but there are too many >>> false positives.) >>> >> >> True, sorry I didn't look at it in detail. >> >>> But then you have 3 of them and no addressing, so you need to add reg >>> property (with the register's offset and size) and unit-address. >>> >> >> Indeed. I had a look at the history but couldn't gather much. All I >> could get is that this is one of those weird mix of all functionality on >> ARM Ltd platforms which fits no subsystem. Me and Lorenzo has similar >> issue on TC2 platform. Pawel seem to have plumed this system control >> registers block into MFD and GPIO long back. >> >>> I'm surprised Linus W accepted these a GPIO when they are not really >>> general purpose, but then lots of things slip in. >>> >> >> I assume all these happened in early days of DT. >> >> I will drop this for now. I will take a look if these nodes can be made >> better to align with standard gpio controller nodes. > > Why not just make the changes I suggested? It shouldn't break > anything. You can add reg property even though the kernel doesn't use > it. > Ah OK. That makes sense. IIRC it used to have some @<offset> value previously which has some correlation to HW block. I will dig that out. Sorry I missed that you were suggesting to add reg property. -- Regards, Sudeep ^ permalink raw reply [flat|nested] 20+ messages in thread
* Re: [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names 2018-05-09 21:14 ` Rob Herring @ 2018-05-23 8:02 ` Linus Walleij -1 siblings, 0 replies; 20+ messages in thread From: Linus Walleij @ 2018-05-23 8:02 UTC (permalink / raw) To: Rob Herring Cc: open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, Liviu Dudau, moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE, Sudeep Holla On Wed, May 9, 2018 at 11:14 PM, Rob Herring <robh+dt@kernel.org> wrote: > On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> The latest DTC throws warnings for character '_' in the node names. >> >> Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name >> >> The general recommendation is to use character '-' for all the node names. >> This patch fixes the warnings following the recommendation. >> >> Cc: Liviu Dudau <liviu.dudau@arm.com> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >> --- >> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> index 7b8ff5b3b912..58e73131ecef 100644 >> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> @@ -77,19 +77,19 @@ >> compatible = "arm,vexpress-sysreg"; >> reg = <0x010000 0x1000>; >> >> - v2m_led_gpios: sys_led { >> + v2m_led_gpios: sys-led { > > Except this is a gpio-controller so it should have 'gpio' for its node > name. (I have a dtc check written for that, but there are too many > false positives.) > > But then you have 3 of them and no addressing, so you need to add reg > property (with the register's offset and size) and unit-address. > > I'm surprised Linus W accepted these a GPIO when they are not really > general purpose, but then lots of things slip in. I guess is was back in this day when we had a finger constantly on the fastforward button for DT conversion, and a few not so elegant things slipped in. I was annoyed by this thing later, especially since others started to use it as a consistency argument "well you allowed this so now allow this other crazy thing that looks the same" :D I suspect I either was not CC:ed or I just sucked at shepherding this, I try to do better these days. Yours, Linus Walleij ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names @ 2018-05-23 8:02 ` Linus Walleij 0 siblings, 0 replies; 20+ messages in thread From: Linus Walleij @ 2018-05-23 8:02 UTC (permalink / raw) To: linux-arm-kernel On Wed, May 9, 2018 at 11:14 PM, Rob Herring <robh+dt@kernel.org> wrote: > On Wed, May 9, 2018 at 11:48 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> The latest DTC throws warnings for character '_' in the node names. >> >> Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name >> >> The general recommendation is to use character '-' for all the node names. >> This patch fixes the warnings following the recommendation. >> >> Cc: Liviu Dudau <liviu.dudau@arm.com> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >> --- >> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> index 7b8ff5b3b912..58e73131ecef 100644 >> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> @@ -77,19 +77,19 @@ >> compatible = "arm,vexpress-sysreg"; >> reg = <0x010000 0x1000>; >> >> - v2m_led_gpios: sys_led { >> + v2m_led_gpios: sys-led { > > Except this is a gpio-controller so it should have 'gpio' for its node > name. (I have a dtc check written for that, but there are too many > false positives.) > > But then you have 3 of them and no addressing, so you need to add reg > property (with the register's offset and size) and unit-address. > > I'm surprised Linus W accepted these a GPIO when they are not really > general purpose, but then lots of things slip in. I guess is was back in this day when we had a finger constantly on the fastforward button for DT conversion, and a few not so elegant things slipped in. I was annoyed by this thing later, especially since others started to use it as a consistency argument "well you allowed this so now allow this other crazy thing that looks the same" :D I suspect I either was not CC:ed or I just sucked at shepherding this, I try to do better these days. Yours, Linus Walleij ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led, mci, flash} 2018-05-09 16:48 ` Sudeep Holla @ 2018-05-11 10:23 ` Sudeep Holla -1 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-11 10:23 UTC (permalink / raw) To: linux-arm-kernel, devicetree, Liviu Dudau; +Cc: Rob Herring, Sudeep Holla Commit 2cff6dba57b7 ("ARM: dts: vexpress: fix node name unit-address presence warnings") removed the unit address as there was no associated reg property in these sysreg nodes. Also the latest DTC throws warnings for character '_' in the node names. Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name The correct way to fix this as well as the original unit-address presence warnings is to use the standard gpio controller binding and specify the reg properties as per the hardware as it was before. However note that Vexpress sysreg MFD driver will still continue to use the hardcoded values for compatibility reasons. Cc: Liviu Dudau <liviu.dudau@arm.com> Suggested-by: Rob Herring <robh@kernel.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 11 ++++++++--- arch/arm/boot/dts/vexpress-v2m.dtsi | 11 ++++++++--- 2 files changed, 16 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index 7b8ff5b3b912..a8586a0b957d 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -76,21 +76,26 @@ v2m_sysreg: sysreg@10000 { compatible = "arm,vexpress-sysreg"; reg = <0x010000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; - v2m_led_gpios: sys_led { + v2m_led_gpios: gpio@8 { compatible = "arm,vexpress-sysreg,sys_led"; + reg = <0x008 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_mmc_gpios: sys_mci { + v2m_mmc_gpios: gpio@48 { compatible = "arm,vexpress-sysreg,sys_mci"; + reg = <0x048 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_flash_gpios: sys_flash { + v2m_flash_gpios: gpio@4c { compatible = "arm,vexpress-sysreg,sys_flash"; + reg = <0x04c 4>; gpio-controller; #gpio-cells = <2>; }; diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi index 9cd5e146abd5..37ecccebd937 100644 --- a/arch/arm/boot/dts/vexpress-v2m.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -76,21 +76,26 @@ v2m_sysreg: sysreg@0 { compatible = "arm,vexpress-sysreg"; reg = <0x00000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; - v2m_led_gpios: sys_led { + v2m_led_gpios: gpio@8 { compatible = "arm,vexpress-sysreg,sys_led"; + reg = <0x008 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_mmc_gpios: sys_mci { + v2m_mmc_gpios: gpio@48 { compatible = "arm,vexpress-sysreg,sys_mci"; + reg = <0x048 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_flash_gpios: sys_flash { + v2m_flash_gpios: gpio@4c { compatible = "arm,vexpress-sysreg,sys_flash"; + reg = <0x04c 4>; gpio-controller; #gpio-cells = <2>; }; -- 2.7.4 ^ permalink raw reply related [flat|nested] 20+ messages in thread
* [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led, mci, flash} @ 2018-05-11 10:23 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-11 10:23 UTC (permalink / raw) To: linux-arm-kernel Commit 2cff6dba57b7 ("ARM: dts: vexpress: fix node name unit-address presence warnings") removed the unit address as there was no associated reg property in these sysreg nodes. Also the latest DTC throws warnings for character '_' in the node names. Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name The correct way to fix this as well as the original unit-address presence warnings is to use the standard gpio controller binding and specify the reg properties as per the hardware as it was before. However note that Vexpress sysreg MFD driver will still continue to use the hardcoded values for compatibility reasons. Cc: Liviu Dudau <liviu.dudau@arm.com> Suggested-by: Rob Herring <robh@kernel.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 11 ++++++++--- arch/arm/boot/dts/vexpress-v2m.dtsi | 11 ++++++++--- 2 files changed, 16 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index 7b8ff5b3b912..a8586a0b957d 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -76,21 +76,26 @@ v2m_sysreg: sysreg at 10000 { compatible = "arm,vexpress-sysreg"; reg = <0x010000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; - v2m_led_gpios: sys_led { + v2m_led_gpios: gpio at 8 { compatible = "arm,vexpress-sysreg,sys_led"; + reg = <0x008 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_mmc_gpios: sys_mci { + v2m_mmc_gpios: gpio at 48 { compatible = "arm,vexpress-sysreg,sys_mci"; + reg = <0x048 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_flash_gpios: sys_flash { + v2m_flash_gpios: gpio at 4c { compatible = "arm,vexpress-sysreg,sys_flash"; + reg = <0x04c 4>; gpio-controller; #gpio-cells = <2>; }; diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi index 9cd5e146abd5..37ecccebd937 100644 --- a/arch/arm/boot/dts/vexpress-v2m.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -76,21 +76,26 @@ v2m_sysreg: sysreg at 0 { compatible = "arm,vexpress-sysreg"; reg = <0x00000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; - v2m_led_gpios: sys_led { + v2m_led_gpios: gpio at 8 { compatible = "arm,vexpress-sysreg,sys_led"; + reg = <0x008 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_mmc_gpios: sys_mci { + v2m_mmc_gpios: gpio at 48 { compatible = "arm,vexpress-sysreg,sys_mci"; + reg = <0x048 4>; gpio-controller; #gpio-cells = <2>; }; - v2m_flash_gpios: sys_flash { + v2m_flash_gpios: gpio at 4c { compatible = "arm,vexpress-sysreg,sys_flash"; + reg = <0x04c 4>; gpio-controller; #gpio-cells = <2>; }; -- 2.7.4 ^ permalink raw reply related [flat|nested] 20+ messages in thread
* [PATCH v2 2/2] ARM: dts: vexpress: replace '_' with '-' in node names 2018-05-11 10:23 ` Sudeep Holla @ 2018-05-11 10:23 ` Sudeep Holla -1 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-11 10:23 UTC (permalink / raw) To: linux-arm-kernel, devicetree, Liviu Dudau; +Cc: Rob Herring, Sudeep Holla The latest DTC throws warnings for character '_' in the node names. Warning (node_name_chars_strict): /pmu_a15: Character '_' not recommended in node name Warning (node_name_chars_strict): /pmu_a7: Character '_' not recommended in node name The general recommendation is to use character '-' for all the node names. This patch fixes the warnings following the recommendation. Cc: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) v1->v2: - This patch is newly added in v2 and was missing earlier diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 65a874ea66be..ac6b90e9d806 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -204,7 +204,7 @@ <1 10 0xf08>; }; - pmu_a15 { + pmu-a15 { compatible = "arm,cortex-a15-pmu"; interrupts = <0 68 4>, <0 69 4>; @@ -212,7 +212,7 @@ <&cpu1>; }; - pmu_a7 { + pmu-a7 { compatible = "arm,cortex-a7-pmu"; interrupts = <0 128 4>, <0 129 4>, -- 2.7.4 ^ permalink raw reply related [flat|nested] 20+ messages in thread
* [PATCH v2 2/2] ARM: dts: vexpress: replace '_' with '-' in node names @ 2018-05-11 10:23 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-11 10:23 UTC (permalink / raw) To: linux-arm-kernel The latest DTC throws warnings for character '_' in the node names. Warning (node_name_chars_strict): /pmu_a15: Character '_' not recommended in node name Warning (node_name_chars_strict): /pmu_a7: Character '_' not recommended in node name The general recommendation is to use character '-' for all the node names. This patch fixes the warnings following the recommendation. Cc: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) v1->v2: - This patch is newly added in v2 and was missing earlier diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 65a874ea66be..ac6b90e9d806 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -204,7 +204,7 @@ <1 10 0xf08>; }; - pmu_a15 { + pmu-a15 { compatible = "arm,cortex-a15-pmu"; interrupts = <0 68 4>, <0 69 4>; @@ -212,7 +212,7 @@ <&cpu1>; }; - pmu_a7 { + pmu-a7 { compatible = "arm,cortex-a7-pmu"; interrupts = <0 128 4>, <0 129 4>, -- 2.7.4 ^ permalink raw reply related [flat|nested] 20+ messages in thread
* Re: [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led, mci, flash} 2018-05-11 10:23 ` Sudeep Holla @ 2018-05-11 12:10 ` Rob Herring -1 siblings, 0 replies; 20+ messages in thread From: Rob Herring @ 2018-05-11 12:10 UTC (permalink / raw) To: Sudeep Holla Cc: devicetree, Liviu Dudau, moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE On Fri, May 11, 2018 at 5:23 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: > Commit 2cff6dba57b7 ("ARM: dts: vexpress: fix node name unit-address presence warnings") > removed the unit address as there was no associated reg property in > these sysreg nodes. > > Also the latest DTC throws warnings for character '_' in the node names. > > Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name > > The correct way to fix this as well as the original unit-address presence > warnings is to use the standard gpio controller binding and specify the > reg properties as per the hardware as it was before. > > However note that Vexpress sysreg MFD driver will still continue to use > the hardcoded values for compatibility reasons. > > Cc: Liviu Dudau <liviu.dudau@arm.com> > Suggested-by: Rob Herring <robh@kernel.org> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > --- > arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 11 ++++++++--- > arch/arm/boot/dts/vexpress-v2m.dtsi | 11 ++++++++--- > 2 files changed, 16 insertions(+), 6 deletions(-) > > diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > index 7b8ff5b3b912..a8586a0b957d 100644 > --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > @@ -76,21 +76,26 @@ > v2m_sysreg: sysreg@10000 { > compatible = "arm,vexpress-sysreg"; > reg = <0x010000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; You need a ranges here and below to translate from 0-0x10000 range. With that, Reviewed-by: Rob Herring <robh@kernel.org> > > - v2m_led_gpios: sys_led { > + v2m_led_gpios: gpio@8 { > compatible = "arm,vexpress-sysreg,sys_led"; > + reg = <0x008 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_mmc_gpios: sys_mci { > + v2m_mmc_gpios: gpio@48 { > compatible = "arm,vexpress-sysreg,sys_mci"; > + reg = <0x048 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_flash_gpios: sys_flash { > + v2m_flash_gpios: gpio@4c { > compatible = "arm,vexpress-sysreg,sys_flash"; > + reg = <0x04c 4>; > gpio-controller; > #gpio-cells = <2>; > }; > diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi > index 9cd5e146abd5..37ecccebd937 100644 > --- a/arch/arm/boot/dts/vexpress-v2m.dtsi > +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi > @@ -76,21 +76,26 @@ > v2m_sysreg: sysreg@0 { > compatible = "arm,vexpress-sysreg"; > reg = <0x00000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > > - v2m_led_gpios: sys_led { > + v2m_led_gpios: gpio@8 { > compatible = "arm,vexpress-sysreg,sys_led"; > + reg = <0x008 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_mmc_gpios: sys_mci { > + v2m_mmc_gpios: gpio@48 { > compatible = "arm,vexpress-sysreg,sys_mci"; > + reg = <0x048 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_flash_gpios: sys_flash { > + v2m_flash_gpios: gpio@4c { > compatible = "arm,vexpress-sysreg,sys_flash"; > + reg = <0x04c 4>; > gpio-controller; > #gpio-cells = <2>; > }; > -- > 2.7.4 > ^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led, mci, flash} @ 2018-05-11 12:10 ` Rob Herring 0 siblings, 0 replies; 20+ messages in thread From: Rob Herring @ 2018-05-11 12:10 UTC (permalink / raw) To: linux-arm-kernel On Fri, May 11, 2018 at 5:23 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: > Commit 2cff6dba57b7 ("ARM: dts: vexpress: fix node name unit-address presence warnings") > removed the unit address as there was no associated reg property in > these sysreg nodes. > > Also the latest DTC throws warnings for character '_' in the node names. > > Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name > Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name > > The correct way to fix this as well as the original unit-address presence > warnings is to use the standard gpio controller binding and specify the > reg properties as per the hardware as it was before. > > However note that Vexpress sysreg MFD driver will still continue to use > the hardcoded values for compatibility reasons. > > Cc: Liviu Dudau <liviu.dudau@arm.com> > Suggested-by: Rob Herring <robh@kernel.org> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > --- > arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 11 ++++++++--- > arch/arm/boot/dts/vexpress-v2m.dtsi | 11 ++++++++--- > 2 files changed, 16 insertions(+), 6 deletions(-) > > diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > index 7b8ff5b3b912..a8586a0b957d 100644 > --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi > @@ -76,21 +76,26 @@ > v2m_sysreg: sysreg at 10000 { > compatible = "arm,vexpress-sysreg"; > reg = <0x010000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; You need a ranges here and below to translate from 0-0x10000 range. With that, Reviewed-by: Rob Herring <robh@kernel.org> > > - v2m_led_gpios: sys_led { > + v2m_led_gpios: gpio at 8 { > compatible = "arm,vexpress-sysreg,sys_led"; > + reg = <0x008 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_mmc_gpios: sys_mci { > + v2m_mmc_gpios: gpio at 48 { > compatible = "arm,vexpress-sysreg,sys_mci"; > + reg = <0x048 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_flash_gpios: sys_flash { > + v2m_flash_gpios: gpio at 4c { > compatible = "arm,vexpress-sysreg,sys_flash"; > + reg = <0x04c 4>; > gpio-controller; > #gpio-cells = <2>; > }; > diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi > index 9cd5e146abd5..37ecccebd937 100644 > --- a/arch/arm/boot/dts/vexpress-v2m.dtsi > +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi > @@ -76,21 +76,26 @@ > v2m_sysreg: sysreg at 0 { > compatible = "arm,vexpress-sysreg"; > reg = <0x00000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > > - v2m_led_gpios: sys_led { > + v2m_led_gpios: gpio at 8 { > compatible = "arm,vexpress-sysreg,sys_led"; > + reg = <0x008 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_mmc_gpios: sys_mci { > + v2m_mmc_gpios: gpio at 48 { > compatible = "arm,vexpress-sysreg,sys_mci"; > + reg = <0x048 4>; > gpio-controller; > #gpio-cells = <2>; > }; > > - v2m_flash_gpios: sys_flash { > + v2m_flash_gpios: gpio at 4c { > compatible = "arm,vexpress-sysreg,sys_flash"; > + reg = <0x04c 4>; > gpio-controller; > #gpio-cells = <2>; > }; > -- > 2.7.4 > ^ permalink raw reply [flat|nested] 20+ messages in thread
* Re: [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led,mci,flash} 2018-05-11 12:10 ` Rob Herring @ 2018-05-11 13:16 ` Sudeep Holla -1 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-11 13:16 UTC (permalink / raw) To: Rob Herring Cc: devicetree, Liviu Dudau, moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE, Sudeep Holla On 11/05/18 13:10, Rob Herring wrote: > On Fri, May 11, 2018 at 5:23 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> Commit 2cff6dba57b7 ("ARM: dts: vexpress: fix node name unit-address presence warnings") >> removed the unit address as there was no associated reg property in >> these sysreg nodes. >> >> Also the latest DTC throws warnings for character '_' in the node names. >> >> Warning (node_name_chars_strict): /sysreg@10000/sys_led: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg@10000/sys_mci: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg@10000/sys_flash: Character '_' not recommended in node name >> >> The correct way to fix this as well as the original unit-address presence >> warnings is to use the standard gpio controller binding and specify the >> reg properties as per the hardware as it was before. >> >> However note that Vexpress sysreg MFD driver will still continue to use >> the hardcoded values for compatibility reasons. >> >> Cc: Liviu Dudau <liviu.dudau@arm.com> >> Suggested-by: Rob Herring <robh@kernel.org> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >> --- >> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 11 ++++++++--- >> arch/arm/boot/dts/vexpress-v2m.dtsi | 11 ++++++++--- >> 2 files changed, 16 insertions(+), 6 deletions(-) >> >> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> index 7b8ff5b3b912..a8586a0b957d 100644 >> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> @@ -76,21 +76,26 @@ >> v2m_sysreg: sysreg@10000 { >> compatible = "arm,vexpress-sysreg"; >> reg = <0x010000 0x1000>; >> + #address-cells = <1>; >> + #size-cells = <1>; > > You need a ranges here and below to translate from 0-0x10000 range. > > With that, > > Reviewed-by: Rob Herring <robh@kernel.org> > Thanks, I have appended it with below change Regards, Sudeep -- diff --git c/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi w/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index a8586a0b957d..4488c8fe213a 100644 --- c/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ w/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -78,6 +78,7 @@ reg = <0x010000 0x1000>; #address-cells = <1>; #size-cells = <1>; + ranges = <0 0x10000 0x1000>; v2m_led_gpios: gpio@8 { compatible = "arm,vexpress-sysreg,sys_led"; diff --git c/arch/arm/boot/dts/vexpress-v2m.dtsi w/arch/arm/boot/dts/vexpress-v2m.dtsi index 37ecccebd937..4db42f6326a3 100644 --- c/arch/arm/boot/dts/vexpress-v2m.dtsi +++ w/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -78,6 +78,7 @@ reg = <0x00000 0x1000>; #address-cells = <1>; #size-cells = <1>; + ranges = <0 0 0x1000>; v2m_led_gpios: gpio@8 { compatible = "arm,vexpress-sysreg,sys_led"; ^ permalink raw reply related [flat|nested] 20+ messages in thread
* [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led,mci,flash} @ 2018-05-11 13:16 ` Sudeep Holla 0 siblings, 0 replies; 20+ messages in thread From: Sudeep Holla @ 2018-05-11 13:16 UTC (permalink / raw) To: linux-arm-kernel On 11/05/18 13:10, Rob Herring wrote: > On Fri, May 11, 2018 at 5:23 AM, Sudeep Holla <sudeep.holla@arm.com> wrote: >> Commit 2cff6dba57b7 ("ARM: dts: vexpress: fix node name unit-address presence warnings") >> removed the unit address as there was no associated reg property in >> these sysreg nodes. >> >> Also the latest DTC throws warnings for character '_' in the node names. >> >> Warning (node_name_chars_strict): /sysreg at 10000/sys_led: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg at 10000/sys_mci: Character '_' not recommended in node name >> Warning (node_name_chars_strict): /sysreg at 10000/sys_flash: Character '_' not recommended in node name >> >> The correct way to fix this as well as the original unit-address presence >> warnings is to use the standard gpio controller binding and specify the >> reg properties as per the hardware as it was before. >> >> However note that Vexpress sysreg MFD driver will still continue to use >> the hardcoded values for compatibility reasons. >> >> Cc: Liviu Dudau <liviu.dudau@arm.com> >> Suggested-by: Rob Herring <robh@kernel.org> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> >> --- >> arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 11 ++++++++--- >> arch/arm/boot/dts/vexpress-v2m.dtsi | 11 ++++++++--- >> 2 files changed, 16 insertions(+), 6 deletions(-) >> >> diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> index 7b8ff5b3b912..a8586a0b957d 100644 >> --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi >> @@ -76,21 +76,26 @@ >> v2m_sysreg: sysreg at 10000 { >> compatible = "arm,vexpress-sysreg"; >> reg = <0x010000 0x1000>; >> + #address-cells = <1>; >> + #size-cells = <1>; > > You need a ranges here and below to translate from 0-0x10000 range. > > With that, > > Reviewed-by: Rob Herring <robh@kernel.org> > Thanks, I have appended it with below change Regards, Sudeep -- diff --git c/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi w/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index a8586a0b957d..4488c8fe213a 100644 --- c/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ w/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -78,6 +78,7 @@ reg = <0x010000 0x1000>; #address-cells = <1>; #size-cells = <1>; + ranges = <0 0x10000 0x1000>; v2m_led_gpios: gpio at 8 { compatible = "arm,vexpress-sysreg,sys_led"; diff --git c/arch/arm/boot/dts/vexpress-v2m.dtsi w/arch/arm/boot/dts/vexpress-v2m.dtsi index 37ecccebd937..4db42f6326a3 100644 --- c/arch/arm/boot/dts/vexpress-v2m.dtsi +++ w/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -78,6 +78,7 @@ reg = <0x00000 0x1000>; #address-cells = <1>; #size-cells = <1>; + ranges = <0 0 0x1000>; v2m_led_gpios: gpio at 8 { compatible = "arm,vexpress-sysreg,sys_led"; ^ permalink raw reply related [flat|nested] 20+ messages in thread
end of thread, other threads:[~2018-05-23 8:02 UTC | newest]
Thread overview: 20+ messages (download: mbox.gz / follow: Atom feed)
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2018-05-09 16:48 [PATCH] ARM: dts: vexpress: Replace '_' with '-' in node names Sudeep Holla
2018-05-09 16:48 ` Sudeep Holla
2018-05-09 21:14 ` Rob Herring
2018-05-09 21:14 ` Rob Herring
2018-05-10 10:51 ` Sudeep Holla
2018-05-10 10:51 ` Sudeep Holla
2018-05-10 14:05 ` Rob Herring
2018-05-10 14:05 ` Rob Herring
2018-05-10 14:16 ` Sudeep Holla
2018-05-10 14:16 ` Sudeep Holla
2018-05-23 8:02 ` Linus Walleij
2018-05-23 8:02 ` Linus Walleij
2018-05-11 10:23 ` [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led, mci, flash} Sudeep Holla
2018-05-11 10:23 ` Sudeep Holla
2018-05-11 10:23 ` [PATCH v2 2/2] ARM: dts: vexpress: replace '_' with '-' in node names Sudeep Holla
2018-05-11 10:23 ` Sudeep Holla
2018-05-11 12:10 ` [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led, mci, flash} Rob Herring
2018-05-11 12:10 ` Rob Herring
2018-05-11 13:16 ` [PATCH v2 1/2] ARM: dts: vexpress: use standard gpio bindings for sys_{led,mci,flash} Sudeep Holla
2018-05-11 13:16 ` Sudeep Holla
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