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2017-05-16 17:40 GMT+02:00 Marcin Wojtas <mw@xxxxxxxxxxxx>:
> Russel,
>
> 2017-05-16 15:45 GMT+02:00 Russell King <rmk+kernel@xxxxxxxxxxxxxxx>:
>>
>> Add sdhci support for MACCHIATOBin boards. This uses the AP806 SDHCI
>> for eMMC and CP110 master for the SD card slot.
>>
>> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
>> ---
>>
>> This version labels up the uSD connector, adds the vqmmc regulator for
>> the uSD (the regulator itself already present in the DT), and supports
>> the card detect signal.
>>
>> For eMMC, this version adds the vqmmc regulator, which again is already
>> present in the DT, marks it as not supporting SD or SDIO, and also
>> includes "slow mode" since testing with previous versions of the driver
>> have shown that selecting faster speeds results in errors.
>>
>> arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 23
>> ++++++++++++++++++++++
>> 1 file changed, 23 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
>> b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
>> index cc167e05941a..60111ed3234a 100644
>> --- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
>> +++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
>> @@ -95,6 +95,21 @@
>> status = "okay";
>> };
>>
>> +&ap_sdhci0 {
>> + bus-width = <8>;
>> + /*
>> + * Not stable in HS modes - phy needs "more calibration", so add
>> + * the "slow-mode" and disable SDR104, SDR50 and DDR50 modes.
>> + */
>> + marvell,xenon-phy-slow-mode;
>
>
> FYI, this property is by default present in armada-ap806.dtsi.
>
> Marcin
>
>>
>> + no-1-8-v;
>> + no-sd;
>> + no-sdio;
>> + non-removable;
>> + status = "okay";
>> + vqmmc-supply = <&v_vddo_h>;
>> +};
>> +
>> &cpm_i2c0 {
>> clock-frequency = <100000>;
>> status = "okay";
>> @@ -105,6 +120,14 @@
>> status = "okay";
>> };
>>
>> +&cpm_sdhci0 {
>> + /* U6 */
>> + broken-cd;
>> + bus-width = <4>;
>> + status = "okay";
>> + vqmmc-supply = <&v_3_3>;
>> +};
>> +
>> &cpm_usb3_0 {
>> /* J38? - USB2.0 only */
>> status = "okay";
>> --
>> 2.7.4
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
>
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