Date: Thu, 9 Oct 2014 16:15:43 -0300 From: Luiz Otavio O Souza <lists.br@gmail.com> To: Ganbold Tsagaankhuu <ganbold@gmail.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Allwinner A13 support (patches attached) Message-ID: <CAB=2f8yhMGXUmXPGEb4m_ND%2BJLkoi7y4k8KV2OEXw-d7tJkLcw@mail.gmail.com> In-Reply-To: <CAGtf9xP3qBi3pXDHY7icA_-qrPYnPjTqKdf3oCc2OSHh3Tn3_A@mail.gmail.com> References: <18234.85.229.95.175.1412713132.squirrel@webmail.alvermark.net> <CAGtf9xP3qBi3pXDHY7icA_-qrPYnPjTqKdf3oCc2OSHh3Tn3_A@mail.gmail.com>
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On 9 October 2014 01:46, Ganbold Tsagaankhuu wrote: > On Wed, Oct 8, 2014 at 4:18 AM, Jakob Alvermark wrote: > >> Hello people! Hello Jakob, >> >> I have been sitting on this for too long now. (Thanks Arun Thomas for >> encouraging me to send this!) >> I have this Allwinner A13 board from Olimex, >> >> https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino/open-source-hardware >> >> I have made it boot FreeBSD-current, and here are the patches. Hoping >> anyone (committers?) might be interrested in looking at this. >> Yay, nice work! >> I also wanted to blink the onboard LED, so this is in the dts file:) >> --- >> leds { >> compatible = "gpio-leds"; >> >> led1 { >> label = "led1"; >> gpios = <&gpio 201 1>; >> }; >> }; >> --- >> I do not get a /dev/led/led1 as I expected, manually toggling the LED with >> 'gpioctl -t 201' works fine... The gpio node from the DTS you are using (sun5i-a13.dtsi) uses '3' as #gpio-cells: gpio: gpio@01c20800 { #gpio-cells = <3>; compatible = "allwinner,sun5i-gpio"; gpio-controller; reg =< 0x01c20800 0x400 >; interrupts = < 28 >; interrupt-parent = <&AINTC>; }; So you need to adjust the gpios property for led and add a third value (in this case: pin number, not used, pin flags): leds { compatible = "gpio-leds"; led1 { name = "led1"; gpios = <&gpio 201 0 1>; }; }; Changing the #gpio-cells back to 2 would also work. >> > > Cool. > > Can a10_gpio.c and a13_gpio.c combined into one? > Also you disabled some gpio settings in a10_ehci.c I guess olinuxino has > u-boot and u-boot sets that, or maybe different pins. > I think instead of disabling better make it work for both cubieboard and > olinuxino. Yes, they can. I've checked and the only differences are the number of available banks and pins. We have a similar situation with ti_gpio.c. You could use the DTS to pass the gpio pin (or pins) we need to tweak at boot to enable the onboard devices. Luiz
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