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From: Samuel Holland <samuel@sholland.org>
To: Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Samuel Holland <samuel@sholland.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-sunxi@lists.linux.dev
Subject: [PATCH 1/2] ARM: dts: sunxi: Fix GPIO LED node names
Date: Fri, 25 Nov 2022 13:54:00 -0600
Message-Id: <20221125195401.61642-1-samuel@sholland.org>
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[1/2] ARM: dts: sunxi: Fix GPIO LED node names
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Commit Message
Samuel Holland
Nov. 25, 2022, 7:54 p.m. UTC
These board devicetrees fail to validate because the gpio-leds schema
requires its child nodes to have "led" in the node name.
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
arch/arm/boot/dts/sun5i-gr8-chip-pro.dts | 2 +-
arch/arm/boot/dts/sun5i-r8-chip.dts | 2 +-
arch/arm/boot/dts/sun6i-a31s-sina31s.dts | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
Comments
On Fri, 25 Nov 2022 13:54:00 -0600 Samuel Holland <samuel@sholland.org> wrote: Hi Samuel, > These board devicetrees fail to validate because the gpio-leds schema > requires its child nodes to have "led" in the node name. > > Signed-off-by: Samuel Holland <samuel@sholland.org> That looks alright, though the comment in the binding says that we should just have led-0, led-1 instead, so just (hex) numbers. The "status" name is also in the label, so we wouldn't lose information. Actually, also "label" is deprecated, in favour of "color" and "function", shall this be fixed on the way? Or is there anything that breaks (older kernels) when removing the label property? Cheers, Andre > --- > > arch/arm/boot/dts/sun5i-gr8-chip-pro.dts | 2 +- > arch/arm/boot/dts/sun5i-r8-chip.dts | 2 +- > arch/arm/boot/dts/sun6i-a31s-sina31s.dts | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts > index a32cde3e32eb..3222f1490716 100644 > --- a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts > +++ b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts > @@ -70,7 +70,7 @@ chosen { > leds { > compatible = "gpio-leds"; > > - status { > + led-status { > label = "chip-pro:white:status"; > gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; > default-state = "on"; > diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts > index 4bf4943d4eb7..303191c926c2 100644 > --- a/arch/arm/boot/dts/sun5i-r8-chip.dts > +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts > @@ -70,7 +70,7 @@ chosen { > leds { > compatible = "gpio-leds"; > > - status { > + led-status { > label = "chip:white:status"; > gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; > default-state = "on"; > diff --git a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts > index 0af48e143b66..b84822453381 100644 > --- a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts > +++ b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts > @@ -67,7 +67,7 @@ hdmi_con_in: endpoint { > leds { > compatible = "gpio-leds"; > > - status { > + led-status { > label = "sina31s:status:usr"; > gpios = <&pio 7 13 GPIO_ACTIVE_HIGH>; /* PH13 */ > };
Hi Andre, On 11/25/22 15:40, Andre Przywara wrote: > On Fri, 25 Nov 2022 13:54:00 -0600 > Samuel Holland <samuel@sholland.org> wrote: > > Hi Samuel, > >> These board devicetrees fail to validate because the gpio-leds schema >> requires its child nodes to have "led" in the node name. >> >> Signed-off-by: Samuel Holland <samuel@sholland.org> > > That looks alright, though the comment in the binding says that we > should just have led-0, led-1 instead, so just (hex) numbers. The > "status" name is also in the label, so we wouldn't lose information. I am not a fan of giving the LEDs meaningless enumerators, but I can do that if the maintainers insist. > Actually, also "label" is deprecated, in favour of "color" and > "function", shall this be fixed on the way? Or is there anything that > breaks (older kernels) when removing the label property? The label is exposed to userspace as the path in sysfs, so we cannot change it. There is no way to construct that exact label using function and color -- see led_compose_name(). Regards, Samuel >> --- >> >> arch/arm/boot/dts/sun5i-gr8-chip-pro.dts | 2 +- >> arch/arm/boot/dts/sun5i-r8-chip.dts | 2 +- >> arch/arm/boot/dts/sun6i-a31s-sina31s.dts | 2 +- >> 3 files changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts >> index a32cde3e32eb..3222f1490716 100644 >> --- a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts >> +++ b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts >> @@ -70,7 +70,7 @@ chosen { >> leds { >> compatible = "gpio-leds"; >> >> - status { >> + led-status { >> label = "chip-pro:white:status"; >> gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; >> default-state = "on"; >> diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts >> index 4bf4943d4eb7..303191c926c2 100644 >> --- a/arch/arm/boot/dts/sun5i-r8-chip.dts >> +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts >> @@ -70,7 +70,7 @@ chosen { >> leds { >> compatible = "gpio-leds"; >> >> - status { >> + led-status { >> label = "chip:white:status"; >> gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; >> default-state = "on"; >> diff --git a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts >> index 0af48e143b66..b84822453381 100644 >> --- a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts >> +++ b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts >> @@ -67,7 +67,7 @@ hdmi_con_in: endpoint { >> leds { >> compatible = "gpio-leds"; >> >> - status { >> + led-status { >> label = "sina31s:status:usr"; >> gpios = <&pio 7 13 GPIO_ACTIVE_HIGH>; /* PH13 */ >> }; >
Hi Samuel, Dne petek, 25. november 2022 ob 22:50:07 CET je Samuel Holland napisal(a): > Hi Andre, > > On 11/25/22 15:40, Andre Przywara wrote: > > On Fri, 25 Nov 2022 13:54:00 -0600 > > Samuel Holland <samuel@sholland.org> wrote: > > > > Hi Samuel, > > > >> These board devicetrees fail to validate because the gpio-leds schema > >> requires its child nodes to have "led" in the node name. > >> > >> Signed-off-by: Samuel Holland <samuel@sholland.org> > > > > That looks alright, though the comment in the binding says that we > > should just have led-0, led-1 instead, so just (hex) numbers. The > > "status" name is also in the label, so we wouldn't lose information. > > I am not a fan of giving the LEDs meaningless enumerators, but I can do > that if the maintainers insist. I'm not a fan of that either, but binding really wants enumerator. So let's conform to that. Best regards, Jernej > > > Actually, also "label" is deprecated, in favour of "color" and > > "function", shall this be fixed on the way? Or is there anything that > > breaks (older kernels) when removing the label property? > > The label is exposed to userspace as the path in sysfs, so we cannot > change it. There is no way to construct that exact label using function > and color -- see led_compose_name(). > > Regards, > Samuel > > >> --- > >> > >> arch/arm/boot/dts/sun5i-gr8-chip-pro.dts | 2 +- > >> arch/arm/boot/dts/sun5i-r8-chip.dts | 2 +- > >> arch/arm/boot/dts/sun6i-a31s-sina31s.dts | 2 +- > >> 3 files changed, 3 insertions(+), 3 deletions(-) > >> > >> diff --git a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts > >> b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts index > >> a32cde3e32eb..3222f1490716 100644 > >> --- a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts > >> +++ b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts > >> @@ -70,7 +70,7 @@ chosen { > >> > >> leds { > >> > >> compatible = "gpio-leds"; > >> > >> - status { > >> + led-status { > >> > >> label = "chip-pro:white:status"; > >> gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; > >> default-state = "on"; > >> > >> diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts > >> b/arch/arm/boot/dts/sun5i-r8-chip.dts index 4bf4943d4eb7..303191c926c2 > >> 100644 > >> --- a/arch/arm/boot/dts/sun5i-r8-chip.dts > >> +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts > >> @@ -70,7 +70,7 @@ chosen { > >> > >> leds { > >> > >> compatible = "gpio-leds"; > >> > >> - status { > >> + led-status { > >> > >> label = "chip:white:status"; > >> gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; > >> default-state = "on"; > >> > >> diff --git a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts > >> b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts index > >> 0af48e143b66..b84822453381 100644 > >> --- a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts > >> +++ b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts > >> @@ -67,7 +67,7 @@ hdmi_con_in: endpoint { > >> > >> leds { > >> > >> compatible = "gpio-leds"; > >> > >> - status { > >> + led-status { > >> > >> label = "sina31s:status:usr"; > >> gpios = <&pio 7 13 GPIO_ACTIVE_HIGH>; /* PH13 */ > >> > >> };
diff --git a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts index a32cde3e32eb..3222f1490716 100644 --- a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts +++ b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts @@ -70,7 +70,7 @@ chosen { leds { compatible = "gpio-leds"; - status { + led-status { label = "chip-pro:white:status"; gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; default-state = "on"; diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts index 4bf4943d4eb7..303191c926c2 100644 --- a/arch/arm/boot/dts/sun5i-r8-chip.dts +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts @@ -70,7 +70,7 @@ chosen { leds { compatible = "gpio-leds"; - status { + led-status { label = "chip:white:status"; gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>; default-state = "on"; diff --git a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts index 0af48e143b66..b84822453381 100644 --- a/arch/arm/boot/dts/sun6i-a31s-sina31s.dts +++ b/arch/arm/boot/dts/sun6i-a31s-sina31s.dts @@ -67,7 +67,7 @@ hdmi_con_in: endpoint { leds { compatible = "gpio-leds"; - status { + led-status { label = "sina31s:status:usr"; gpios = <&pio 7 13 GPIO_ACTIVE_HIGH>; /* PH13 */ };