| Message ID | 1447139641-11480-4-git-send-email-horms+renesas@verge.net.au (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Simon, On Tue, Nov 10, 2015 at 8:14 AM, Simon Horman <horms+renesas@verge.net.au> wrote: > Enable the QSPI controller in the gose device tree. > > Based similar work for the silk board by by Vladimir Barinov and > Sergei Shtylyov. > > Cc: Vladimir Barinov <vladimir.barinov@cogentembedded.com> > Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> > > --- > Tested: Read /dev/mtd0 with 512K blocks at 1.7MB/s > --- > arch/arm/boot/dts/r8a7793-gose.dts | 40 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts > index 1575ef759047..3bc4230aa2b5 100644 > --- a/arch/arm/boot/dts/r8a7793-gose.dts > +++ b/arch/arm/boot/dts/r8a7793-gose.dts > @@ -92,3 +97,38 @@ > > status = "okay"; > }; > + > +&qspi { > + pinctrl-0 = <&qspi_pins>; > + pinctrl-names = "default"; > + > + status = "okay"; > + > + flash@0 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "spansion,s25fl512s", "jedec,spi-nor"; > + reg = <0>; > + spi-max-frequency = <30000000>; > + spi-tx-bus-width = <4>; > + spi-rx-bus-width = <4>; > + spi-cpol; > + spi-cpha; > + m25p,fast-read; > + > + partition@0 { > + label = "loader"; > + reg = <0x00000000 0x00040000>; > + read-only; > + }; > + partition@40000 { > + label = "user"; > + reg = <0x00040000 0x00400000>; > + read-only; > + }; > + partition@440000 { > + label = "flash"; > + reg = <0x00440000 0x03bc0000>; > + }; > + }; Please move the partitions inside a "partitions" subnode, cfr. the patch I've just sent for Koelsch ("[PATCH] ARM: shmobile: koelsch: Move SPI FLASH partitions to subnode"). I haven't updated the other DTSes yet. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts index 1575ef759047..3bc4230aa2b5 100644 --- a/arch/arm/boot/dts/r8a7793-gose.dts +++ b/arch/arm/boot/dts/r8a7793-gose.dts @@ -57,6 +57,11 @@ renesas,groups = "intc_irq0"; renesas,function = "intc"; }; + + qspi_pins: spi0 { + renesas,groups = "qspi_ctrl", "qspi_data4"; + renesas,function = "qspi"; + }; }; ðer { @@ -92,3 +97,38 @@ status = "okay"; }; + +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25fl512s", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <30000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + spi-cpol; + spi-cpha; + m25p,fast-read; + + partition@0 { + label = "loader"; + reg = <0x00000000 0x00040000>; + read-only; + }; + partition@40000 { + label = "user"; + reg = <0x00040000 0x00400000>; + read-only; + }; + partition@440000 { + label = "flash"; + reg = <0x00440000 0x03bc0000>; + }; + }; +};
Enable the QSPI controller in the gose device tree. Based similar work for the silk board by by Vladimir Barinov and Sergei Shtylyov. Cc: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> --- Tested: Read /dev/mtd0 with 512K blocks at 1.7MB/s --- arch/arm/boot/dts/r8a7793-gose.dts | 40 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)