From: "H. Nikolaus Schaller" <hns@goldelico.com>
To: Paul Cercueil <paul@crapouillou.net>
Cc: Paul Boddie <paul@boddie.org.uk>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ralf Baechle <ralf@linux-mips.org>,
Paul Burton <paulburton@kernel.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Andi Kleen <ak@linux.intel.com>,
Kees Cook <keescook@chromium.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
devicetree@vger.kernel.org, linux-mips@vger.kernel.org,
linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org,
kernel@pyra-handheld.com
Subject: Re: [PATCH v3 5/6] MIPS: DTS: CI20: multiple DTS improvements
Date: Fri, 28 Feb 2020 15:42:01 +0100 [thread overview]
Message-ID: <6EC236FB-2F3F-4556-8711-66F5AAE2D574@goldelico.com> (raw)
In-Reply-To: <1582900568.3.2@crapouillou.net>
> Am 28.02.2020 um 15:36 schrieb Paul Cercueil <paul@crapouillou.net>:
>
> Hi Nikolaus,
>
> Le dim., févr. 16, 2020 at 21:20, H. Nikolaus Schaller <hns@goldelico.com> a écrit :
>> a) add DT node for SW1 as Enter button
>> The SW1 button can be used as a simple one-button keyboard
>> and is connected to PD17.
>> Note: SW1 has a second meaning to change the boot sequence
>> when pressed while powering on.
>> b) give eth0_power a defined voltage.
>> This is a 3.3V power switch (DVNET3.3V ).
>> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
>> ---
>> arch/mips/boot/dts/ingenic/ci20.dts | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
>> index 1ab55be707af..4bacefa2cfce 100644
>> --- a/arch/mips/boot/dts/ingenic/ci20.dts
>> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
>> @@ -4,6 +4,7 @@
>> #include "jz4780.dtsi"
>> #include <dt-bindings/clock/ingenic,tcu.h>
>> #include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/input/input.h>
>> / {
>> compatible = "img,ci20", "ingenic,jz4780";
>> @@ -25,6 +26,17 @@
>> 0x30000000 0x30000000>;
>> };
>> + gpio-keys {
>> + compatible = "gpio-keys";
>> +
>> + sw1 {
>> + label = "ci20:sw1";
>> + linux,code = <KEY_ENTER>;
>
> Why KEY_ENTER? It would make it impossible for applications to know that it's actually the switch that has been pressed an not the keyboard.
Ah, ok. I didn't think about the use case that a physical keyboard is connected to one of the USB ports.
What else would you propose? I think your argument is for every existing KEY_CODE. Should we add a new one?
BR and thanks,
Nikolaus
next prev parent reply other threads:[~2020-02-28 14:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-16 20:20 [PATCH v3 0/6] MIPS: Fixes and improvements for CI20 board (JZ4780) H. Nikolaus Schaller
2020-02-16 20:20 ` [PATCH v3 1/6] MIPS: DTS: jz4780: add #includes for irq.h and gpio.h H. Nikolaus Schaller
2020-02-28 14:33 ` Paul Cercueil
2020-02-16 20:20 ` [PATCH v3 2/6] MIPS: DTS: CI20: add DT node for IR sensor H. Nikolaus Schaller
2020-02-16 20:20 ` [PATCH v3 3/6] MIPS: DTS: CI20: fix PMU definitions for ACT8600 H. Nikolaus Schaller
2020-02-28 14:34 ` Paul Cercueil
2020-02-28 14:40 ` H. Nikolaus Schaller
2020-02-16 20:20 ` [PATCH v3 4/6] MIPS: DTS: CI20: fix interrupt for pcf8563 RTC H. Nikolaus Schaller
2020-02-16 20:20 ` [PATCH v3 5/6] MIPS: DTS: CI20: multiple DTS improvements H. Nikolaus Schaller
2020-02-28 14:36 ` Paul Cercueil
2020-02-28 14:42 ` H. Nikolaus Schaller [this message]
2020-02-28 14:50 ` Paul Cercueil
2020-02-16 20:21 ` [PATCH v3 6/6] MIPS: CI20: defconfig: multiple improvements H. Nikolaus Schaller
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