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Date: Thu, 3 Mar 2022 08:57:22 +0100
From: Cédric Le Goater <clg@...d.org>
To: Joel Stanley <joel@....id.au>
CC: <linux-spi@...r.kernel.org>,
linux-mtd <linux-mtd@...ts.infradead.org>,
Mark Brown <broonie@...nel.org>,
Tudor Ambarus <tudor.ambarus@...rochip.com>,
Pratyush Yadav <p.yadav@...com>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
Andrew Jeffery <andrew@...id.au>,
Chin-Ting Kuo <chin-ting_kuo@...eedtech.com>,
devicetree <devicetree@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 10/10] ARM: dts: aspeed: Enable Dual SPI RX transfers
On 3/2/22 23:48, Joel Stanley wrote:
> On Wed, 2 Mar 2022 at 22:45, Joel Stanley <joel@....id.au> wrote:
>>
>> On Wed, 2 Mar 2022 at 17:31, Cédric Le Goater <clg@...d.org> wrote:
>>>
>>> All these controllers support at least Dual SPI. Update the DTs.
>>>
>>> Reviewed-by: Joel Stanley <joel@....id.au>
>>> Signed-off-by: Cédric Le Goater <clg@...d.org>
>>
>> Thanks. I'll apply this to the aspeed tree now.
>>
>> Did you also have a patch to add a second flash chip to the AST2400 FMC?
>
> That was a reference to the discussion on the openbmc list with Tao. I
> was mistaken; the flash chips are there, but they lack the
> spi-max-frequency property.
Yes.
I will include a patch in v3 for the second flash chip of the AST2400 FMC.
Thanks,
C.
>
>>
>>> ---
>>> arch/arm/boot/dts/aspeed-g4.dtsi | 6 ++++++
>>> arch/arm/boot/dts/aspeed-g5.dtsi | 7 +++++++
>>> arch/arm/boot/dts/aspeed-g6.dtsi | 8 ++++++++
>>> 3 files changed, 21 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
>>> index 9ae67e83cf60..31e6569db97e 100644
>>> --- a/arch/arm/boot/dts/aspeed-g4.dtsi
>>> +++ b/arch/arm/boot/dts/aspeed-g4.dtsi
>>> @@ -64,27 +64,32 @@ fmc: spi@...20000 {
>>> flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> + spi-rx-bus-width = <2>;
>>> spi-max-frequency = <50000000>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@2 {
>>> reg = < 2 >;
>>> compatible = "jedec,spi-nor";
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@3 {
>>> reg = < 3 >;
>>> compatible = "jedec,spi-nor";
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@4 {
>>> reg = < 4 >;
>>> compatible = "jedec,spi-nor";
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> @@ -100,6 +105,7 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
>>> index c3e0a8e13c8a..29bf017899b6 100644
>>> --- a/arch/arm/boot/dts/aspeed-g5.dtsi
>>> +++ b/arch/arm/boot/dts/aspeed-g5.dtsi
>>> @@ -66,18 +66,21 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@2 {
>>> reg = < 2 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> @@ -93,12 +96,14 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> @@ -114,12 +119,14 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
>>> index 1ad05dde19d2..ce93c56a21a7 100644
>>> --- a/arch/arm/boot/dts/aspeed-g6.dtsi
>>> +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
>>> @@ -106,18 +106,21 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@2 {
>>> reg = < 2 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> @@ -133,12 +136,14 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> @@ -154,18 +159,21 @@ flash@0 {
>>> reg = < 0 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@1 {
>>> reg = < 1 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> flash@2 {
>>> reg = < 2 >;
>>> compatible = "jedec,spi-nor";
>>> spi-max-frequency = <50000000>;
>>> + spi-rx-bus-width = <2>;
>>> status = "disabled";
>>> };
>>> };
>>> --
>>> 2.34.1
>>>
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