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Message-ID: <CAMuHMdVzW=pAbJzSmC3Wt3zH4F8kUfd-s0JkQeg5NdPsGJAVrw@mail.gmail.com>
Date: Mon, 29 Mar 2021 10:30:49 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Cc: Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] arm64: dts: renesas: falcon-cpu: Add GP LEDs
Hi Kieran,
On Mon, Mar 22, 2021 at 6:20 PM Kieran Bingham
<kieran.bingham+renesas@...asonboard.com> wrote:
> Three general purpose LEDs are provided on the Falcon CPU board.
>
> Connect GP_LED1, GP_LED2, and GP_LED3 to the gpio-leds frameworks as
> indicator LEDs.
>
> These LEDs are arranged in a block of four LEDs on the board itself, but
> the fourth LED is as yet unidentified.
>
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Thanks for your patch (which does not apply against renesas-devel)!
> --
--- ;-)
> v2:
> - Move to r8a779a0-falcon-cpu.dtsi
> - Define the colour, and function.
> --- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
> @@ -6,12 +6,37 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +
> #include "r8a779a0.dtsi"
>
> / {
> model = "Renesas Falcon CPU board";
> compatible = "renesas,falcon-cpu", "renesas,r8a779a0";
>
> + leds {
> + compatible = "gpio-leds";
> +
> + led1 {
led-1?
Documentation/devicetree/bindings/leds/leds-gpio.yaml says:
# The first form is preferred, but fall back to just 'led' anywhere in the
# node name to at least catch some child nodes.
"(^led-[0-9a-f]$|led)":
> + gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_INDICATOR;
> + function-enumerator = <1>;
> + };
> + led2 {
> + gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_INDICATOR;
> + function-enumerator = <2>;
> + };
> + led3 {
> + gpios = <&gpio4 20 GPIO_ACTIVE_HIGH>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_INDICATOR;
> + function-enumerator = <3>;
> + };
> + };
> +
> memory@...00000 {
> device_type = "memory";
> /* first 128MB is reserved for secure area. */
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-devel for v5.13, with the above fixed.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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