Message ID | 20220302173114.927476-11-clg@kaod.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | spi: spi-mem: Add driver for Aspeed SMC controllers | expand |
On Wed, 2 Mar 2022 at 17:31, Cédric Le Goater <clg@kaod.org> wrote: > > All these controllers support at least Dual SPI. Update the DTs. > > Reviewed-by: Joel Stanley <joel@jms.id.au> > Signed-off-by: Cédric Le Goater <clg@kaod.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? > --- > 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 >
On Wed, 2 Mar 2022 at 22:45, Joel Stanley <joel@jms.id.au> wrote: > > On Wed, 2 Mar 2022 at 17:31, Cédric Le Goater <clg@kaod.org> wrote: > > > > All these controllers support at least Dual SPI. Update the DTs. > > > > Reviewed-by: Joel Stanley <joel@jms.id.au> > > Signed-off-by: Cédric Le Goater <clg@kaod.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. > > > --- > > 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 > >
On 3/2/22 23:48, Joel Stanley wrote: > On Wed, 2 Mar 2022 at 22:45, Joel Stanley <joel@jms.id.au> wrote: >> >> On Wed, 2 Mar 2022 at 17:31, Cédric Le Goater <clg@kaod.org> wrote: >>> >>> All these controllers support at least Dual SPI. Update the DTs. >>> >>> Reviewed-by: Joel Stanley <joel@jms.id.au> >>> Signed-off-by: Cédric Le Goater <clg@kaod.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@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 >>>
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"; }; };