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Date: Tue, 2 Jul 2024 10:51:53 +0200
From: Alexander Dahl <ada@...rsis.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: microchip: at91: align LED node name with
bindings
Hello Krzysztof,
Am Mon, Jul 01, 2024 at 06:49:52PM +0200 schrieb Krzysztof Kozlowski:
> Bindings expect the LED node names to follow certain pattern, see
> dtbs_check warnings:
>
> at91sam9g15ek.dtb: leds: 'pb18', 'pd21' do not match any of the regexes: '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> .../boot/dts/microchip/at91sam9g20ek_2mmc.dts | 4 ++--
> .../at91sam9g25-gardena-smart-gateway.dts | 24 +++++++++----------
> arch/arm/boot/dts/microchip/at91sam9n12ek.dts | 6 ++---
> arch/arm/boot/dts/microchip/at91sam9x5cm.dtsi | 4 ++--
> 4 files changed, 19 insertions(+), 19 deletions(-)
>
> diff --git a/arch/arm/boot/dts/microchip/at91sam9g20ek_2mmc.dts b/arch/arm/boot/dts/microchip/at91sam9g20ek_2mmc.dts
> index 172af6ff4b18..3e5eab57d1a5 100644
> --- a/arch/arm/boot/dts/microchip/at91sam9g20ek_2mmc.dts
> +++ b/arch/arm/boot/dts/microchip/at91sam9g20ek_2mmc.dts
> @@ -40,13 +40,13 @@ pinctrl_board_mmc0_slot0: mmc0_slot0-board {
> leds {
> compatible = "gpio-leds";
>
> - ds1 {
> + led-ds1 {
> label = "ds1";
> gpios = <&pioB 9 GPIO_ACTIVE_HIGH>;
> linux,default-trigger = "heartbeat";
> };
>
> - ds5 {
> + led-ds5 {
> label = "ds5";
> gpios = <&pioB 8 GPIO_ACTIVE_LOW>;
> };
> diff --git a/arch/arm/boot/dts/microchip/at91sam9g25-gardena-smart-gateway.dts b/arch/arm/boot/dts/microchip/at91sam9g25-gardena-smart-gateway.dts
> index af70eb8a3a02..e0c1e8df81b1 100644
> --- a/arch/arm/boot/dts/microchip/at91sam9g25-gardena-smart-gateway.dts
> +++ b/arch/arm/boot/dts/microchip/at91sam9g25-gardena-smart-gateway.dts
> @@ -37,71 +37,71 @@ button {
> leds {
> compatible = "gpio-leds";
>
> - power_blue {
> + led-power-blue {
> label = "smartgw:power:blue";
> gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - power_green {
> + led-power-green {
> label = "smartgw:power:green";
> gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
> default-state = "on";
> };
>
> - power_red {
> + led-power-red {
> label = "smartgw:power:red";
> gpios = <&pioC 19 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - radio_blue {
> + led-radio-blue {
> label = "smartgw:radio:blue";
> gpios = <&pioC 18 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - radio_green {
> + led-radio-green {
> label = "smartgw:radio:green";
> gpios = <&pioC 17 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - radio_red {
> + led-radio-red {
> label = "smartgw:radio:red";
> gpios = <&pioC 16 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - internet_blue {
> + led-internet-blue {
> label = "smartgw:internet:blue";
> gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - internet_green {
> + led-internet-green {
> label = "smartgw:internet:green";
> gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - internet_red {
> + led-internet-red {
> label = "smartgw:internet:red";
> gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
> default-state = "off";
> };
>
> - heartbeat {
> + led-heartbeat {
> label = "smartgw:heartbeat";
> gpios = <&pioB 8 GPIO_ACTIVE_HIGH>;
> linux,default-trigger = "heartbeat";
> };
>
> - pb18 {
> + led-pb18 {
> status = "disabled";
> };
>
> - pd21 {
> + led-pd21 {
> status = "disabled";
> };
> };
> diff --git a/arch/arm/boot/dts/microchip/at91sam9n12ek.dts b/arch/arm/boot/dts/microchip/at91sam9n12ek.dts
> index 4c644d4c6be7..643c3b2ab97e 100644
> --- a/arch/arm/boot/dts/microchip/at91sam9n12ek.dts
> +++ b/arch/arm/boot/dts/microchip/at91sam9n12ek.dts
> @@ -207,19 +207,19 @@ bl_reg: backlight_regulator {
> leds {
> compatible = "gpio-leds";
>
> - d8 {
> + led-d8 {
> label = "d8";
> gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
> linux,default-trigger = "mmc0";
> };
>
> - d9 {
> + led-d9 {
> label = "d9";
> gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
> linux,default-trigger = "nand-disk";
> };
>
> - d10 {
> + led-d10 {
> label = "d10";
> gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
> linux,default-trigger = "heartbeat";
> diff --git a/arch/arm/boot/dts/microchip/at91sam9x5cm.dtsi b/arch/arm/boot/dts/microchip/at91sam9x5cm.dtsi
> index cdd37f67280b..fb3c19bdfcb6 100644
> --- a/arch/arm/boot/dts/microchip/at91sam9x5cm.dtsi
> +++ b/arch/arm/boot/dts/microchip/at91sam9x5cm.dtsi
> @@ -120,13 +120,13 @@ rootfs@...000 {
> leds {
> compatible = "gpio-leds";
>
> - pb18 {
> + led-pb18 {
> label = "pb18";
> gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
> linux,default-trigger = "heartbeat";
> };
>
> - pd21 {
> + led-pd21 {
> label = "pd21";
> gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
> };
In this case these are all gpio-leds and the pattern is in the
leds-gpio gpio binding. I'm wondering however why you chose the very
generic 'led' match over the more strict one requiring the names to
look like 'led-0', 'led-1' an so forth? The generic match would also
match names like 'knowledge' or 'controlled'. But besides that:
Reviewed-by: Alexander Dahl <ada@...rsis.com>
Greets
Alex
> --
> 2.43.0
>
>
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