linux-kernel - Re: [PATCH v10 11/13] arm64: dts: freescale: sl28: enable LED support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20200922025904.GX25109@dragon>
Date:   Tue, 22 Sep 2020 10:59:05 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Michael Walle <michael@...le.cc>
Cc:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Lee Jones <lee.jones@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Li Yang <leoyang.li@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>, Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Pavel Machek <pavel@....cz>
Subject: Re: [PATCH v10 11/13] arm64: dts: freescale: sl28: enable LED support

On Mon, Sep 14, 2020 at 11:43:39PM +0200, Michael Walle wrote:
> Now that we have support for GPIO lines of the SMARC connector, enable
> LED support on the KBox A-230-LS. There are two LEDs without fixed
> functions, one is yellow and one is green. Unfortunately, it is just one
> multi-color LED, thus while it is possible to enable both at the same
> time it is hard to tell the difference between "yellow only" and "yellow
> and green".
> 
> Signed-off-by: Michael Walle <michael@...le.cc>
> Acked-by: Pavel Machek <pavel@....cz>
> ---
> Changes since v9:
>  - none
> 
> Changes since v8:
>  - none
> 
> Changes since v7:
>  - use new "function" and "color" properties instead of a label
>  - added default-on trigger for the power-led
> 
> Changes since v6:
>  - none
> 
> Changes since v5:
>  - changed the label, suggested by Pavel Machek
> 
> Changes since v4:
>  - none
> 
> Changes since v3:
>  - see cover letter
> 
>  .../fsl-ls1028a-kontron-kbox-a-230-ls.dts      | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
> index 4b4cc6a1573d..dd516c0efd8b 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
> @@ -11,11 +11,29 @@
>  
>  /dts-v1/;
>  #include "fsl-ls1028a-kontron-sl28-var4.dts"
> +#include <dt-bindings/leds/common.h>
>  
>  / {
>  	model = "Kontron KBox A-230-LS";
>  	compatible = "kontron,kbox-a-230-ls", "kontron,sl28-var4",
>  		     "kontron,sl28", "fsl,ls1028a";
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		alarm-led {
> +			function = LED_FUNCTION_ALARM;
> +			color = <LED_COLOR_ID_YELLOW>;
> +			gpios = <&sl28cpld_gpio0 0 0>;
> +		};
> +
> +		power-led {
> +			linux,default-trigger = "default-on";
> +			function = LED_FUNCTION_POWER;
> +			color = <LED_COLOR_ID_GREEN>;
> +			gpios = <&sl28cpld_gpio1 3 0>;

Use GPIO_ACTIVE_HIGH for polarity to improve the readability.

I fixed them up and applied patch #9 ~ #13.

Shawn

> +		};
> +	};
>  };
>  
>  &enetc_mdio_pf3 {
> -- 
> 2.20.1
>