linux-kernel - Re: [PATCHv2] arm64: dts: agilex: add QSPI support for Intel Agilex

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Message-ID: <1a497a81-da4c-973b-3bfe-4d676e4a3715@kernel.org>
Date:   Mon, 21 Oct 2019 22:42:23 -0500
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Ley Foon Tan <ley.foon.tan@...el.com>,
        "Ooi, Joyce" <joyce.ooi@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ong Hean Loong <hean.loong.ong@...el.com>,
        See Chin Liang <chin.liang.see@...el.com>
Subject: Re: [PATCHv2] arm64: dts: agilex: add QSPI support for Intel Agilex



On 10/17/19 8:00 PM, Ley Foon Tan wrote:
> On Wed, 2019-10-16 at 02:40 -0700, Ooi, Joyce wrote:
>> This patch adds QSPI flash interface in device tree for Intel Agilex
>>
>> Signed-off-by: Ooi, Joyce <joyce.ooi@...el.com>
>> ---
>> v2: update the qspi_rootfs partition size
>> ---
>>  arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts | 35
>> ++++++++++++++++++++++
>>  1 file changed, 35 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
>> b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
>> index 7814a9e..8de8118 100644
>> --- a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
>> +++ b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
>> @@ -73,3 +73,38 @@
>>  &watchdog0 {
>>  	status = "okay";
>>  };
>> +
>> +&qspi {
>> +	flash@0 {
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		compatible = "mt25qu02g";
>> +		reg = <0>;
>> +		spi-max-frequency = <50000000>;
> QSPI can support up to 100MHz.

I've updated the patch accordingly.

Dinh