Re: [PATCH v2 10/10] ARM: dts: aspeed: Enable Dual SPI RX transfers

From: Joel Stanley
Date: Wed Mar 02 2022 - 17:50:26 EST

On Wed, 2 Mar 2022 at 22:45, Joel Stanley <joel@xxxxxxxxx> wrote:
>
> On Wed, 2 Mar 2022 at 17:31, Cédric Le Goater <clg@xxxxxxxx> wrote:
> >
> > All these controllers support at least Dual SPI. Update the DTs.
> >
> > Reviewed-by: Joel Stanley <joel@xxxxxxxxx>
> > Signed-off-by: Cédric Le Goater <clg@xxxxxxxx>
>
> 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.

>
> > ---
> > 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@1e620000 {
> > 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
> >