[Linux-stm32] [PATCH V2 08/22] ARM: dts: stm32: Add eMMC attached to SDMMC2 on AV96

[Marek Vasut]

On 3/31/20 6:43 AM, Manivannan Sadhasivam wrote:
> On Tue, Mar 31, 2020 at 02:56:47AM +0200, Marek Vasut wrote:
>> Add DT node describing the eMMC attached to SDMMC2 controller
>> of the STM32MP1 on DHCOR SoM, which is the SoM soldered on AV96.
>>
>> Signed-off-by: Marek Vasut <marex at denx.de>
>> Cc: Alexandre Torgue <alexandre.torgue at st.com>
>> Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
>> Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
>> Cc: Patrice Chotard <patrice.chotard at st.com>
>> Cc: Patrick Delaunay <patrick.delaunay at st.com>
>> Cc: linux-stm32 at st-md-mailman.stormreply.com
>> To: linux-arm-kernel at lists.infradead.org
>> ---
>> V2: No change
>> ---
>>  arch/arm/boot/dts/stm32mp157a-avenger96.dts | 15 +++++++++++++++
>>  1 file changed, 15 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
>> index 04280353fdbe..6c34a003c3f6 100644
>> --- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts
>> +++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
>> @@ -333,6 +333,21 @@ &sdmmc1 {
>>  	status = "okay";
>>  };
>>  
>> +&sdmmc2 {
>> +	pinctrl-names = "default", "opendrain", "sleep";
>> +	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
>> +	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
>> +	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
>> +	bus-width = <8>;
>> +	mmc-ddr-1_8v;
>> +	no-sd;
>> +	no-sdio;
>> +	non-removable;
>> +	st,neg-edge;
>> +	vmmc-supply = <&v1v8>;
> 
> As per the latest schematics, vmmc supply is 3v3 and vqmmc supply is 1v8.
> With that fixed,

Oh sigh, this actually exposes an issue in mmci driver, thanks for
pointing this out.