Op 6 sep. 2013, om 08:57 heeft George Cherian <george.cherian@xxxxxx> het volgende geschreven:
> On 9/6/2013 12:03 PM, Koen Kooi wrote:
>> The BeagleBone Black is basically a regular BeagleBone with eMMC and HDMI added,
>> so create a common dtsi both can use. MMC support for AM335x still isn't in, so
>> only the LDO change has been added.
>>
>> Signed-off-by: Koen Kooi <koen@xxxxxxxxxxxxxxxxxxxxx>
>> ---
>> .../{am335x-bone.dts => am335x-bone-common.dtsi} | 3 -
>> arch/arm/boot/dts/am335x-bone.dts | 256 +--------------------
>> arch/arm/boot/dts/am335x-boneblack.dts | 18 ++
>> 3 files changed, 19 insertions(+), 258 deletions(-)
>> copy arch/arm/boot/dts/{am335x-bone.dts => am335x-bone-common.dtsi} (99%)
>> create mode 100644 arch/arm/boot/dts/am335x-boneblack.dts
> How did you test am335x-boneblack.dtb? where are the Makefile changes for boneblack?
Ah, I missed the makefile in my commit. I have a bunch of other patches on top to make more stuff work.
[..]
>>
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/am335x-boneblack.dts
>> @@ -0,0 +1,18 @@
>> +/*
>> + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> + */
>> +/dts-v1/;
>> +
>> +#include "am33xx.dtsi"
> Why cant we add am33xx.dtsi in am335x-bone-common.dtsi ?
That didn't work when I tried it. It did work before the preprocessor changes when using /include/
>> +#include "am335x-bone-common.dtsi"
>> +
>> +&ldo3_reg {
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-always-on;
>> +};
>> +
> With this ldo values mmc was not working for me on Boneblack.
> got it working with
>
> &ldo3_reg {
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <3300000>;
> regulator-always-on;
> };
That LDO is shared, the other consumer will get fried if you use 3.3V. I forget if it's DDR3 or HDMI.--
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