Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1462115

Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload

From ayaka <ayaka@soulik.info>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload
Date 2016-08-14 14:40 +0200
Message-ID <s62RP-857-9@gated-at.bofh.it> (permalink)
References <s4qlz-6S2-11@gated-at.bofh.it> <s62oN-7TC-3@gated-at.bofh.it> <s62oN-7TC-1@gated-at.bofh.it> <s62RP-857-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw



On 08/14/2016 08:30 PM, Heiko Stuebner wrote:
> Am Sonntag, 14. August 2016, 19:27:23 CEST schrieb Randy Li:
>> Because of a bug in hardware design, the sdcard at firefly
>> rk3288 reload board can't switch the io voltage level to 1.8v.
>>
>> Signed-off-by: Randy Li <ayaka@soulik.info>
>> ---
>>   arch/arm/boot/dts/rk3288-firefly-reload.dts | 7 +------
>>   1 file changed, 1 insertion(+), 6 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/rk3288-firefly-reload.dts
>> b/arch/arm/boot/dts/rk3288-firefly-reload.dts index 43145d1..a2b1f14 100644
>> --- a/arch/arm/boot/dts/rk3288-firefly-reload.dts
>> +++ b/arch/arm/boot/dts/rk3288-firefly-reload.dts
>> @@ -202,18 +202,13 @@
>>   	bus-width = <4>;
>>   	cap-mmc-highspeed;
>>   	cap-sd-highspeed;
>> -	sd-uhs-sdr12;
>> -	sd-uhs-sdr25;
>> -	sd-uhs-sdr50;
>> -	sd-uhs-sdr104;
>> -	sd-uhs-ddr50;
>>   	card-detect-delay = <200>;
>>   	disable-wp;
>>   	num-slots = <1>;
>>   	pinctrl-names = "default";
>>   	pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
>>   	vmmc-supply = <&vcc_sd>;
>> -	vqmmc-supply = <&vccio_sd>;
>> +	vqmmc-supply = <&vcc_sd>;
> that looks wrong. vccio_sd is still the vqmmc supply in the schematics even
> though we don't want to switch to 1.8V . But that regulator should still be
I think the vccio_sd is just the one connected to the io_domains, but 
the voltage source for the
pull up register is not vccio_sd but vcc_io.
> controllable without needing a regulator-always-on in the future.
>
>
> Heiko

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload Randy Li <ayaka@soulik.info> - 2016-08-14 14:10 +0200
  Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload Heiko Stuebner <heiko@sntech.de> - 2016-08-14 14:40 +0200
    Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for  firefly reload ayaka <ayaka@soulik.info> - 2016-08-14 14:40 +0200
      Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload Heiko Stübner <heiko@sntech.de> - 2016-08-17 16:20 +0200
        [PATCH 0/2 v2] ARM: dts: rockchip: correct the regulators in firefly reload Randy Li <ayaka@soulik.info> - 2016-08-17 19:10 +0200
          [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload Randy Li <ayaka@soulik.info> - 2016-08-17 19:10 +0200
            Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for firefly reload Heiko Stübner <heiko@sntech.de> - 2016-08-18 15:40 +0200
              Re: [PATCH 1/2] ARM: dts: rockchip: remove excess sd properties for  firefly reload ayaka <ayaka@soulik.info> - 2016-08-18 16:30 +0200
          [PATCH 2/2] ARM: dts: rockchip: add missing regulators for firefly reload board Randy Li <ayaka@soulik.info> - 2016-08-17 19:10 +0200
            Re: [PATCH 2/2] ARM: dts: rockchip: add missing regulators for firefly reload board Heiko Stübner <heiko@sntech.de> - 2016-08-19 06:30 +0200

csiph-web