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| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2014-05-06 00:45:31 +0200 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2014-05-11 02:25:55 +0200 |
| commit | f59838d448356feb4f0ce70785a49045d842c9c3 (patch) | |
| tree | e8784380dac646b20a72a4af42a413346f9f243a /arch/arm/boot/dts/r8a7791-henninger.dts | |
| parent | ARM: shmobile: henninger: add SDHI0/2 DT support (diff) | |
| download | linux-f59838d448356feb4f0ce70785a49045d842c9c3.tar.xz linux-f59838d448356feb4f0ce70785a49045d842c9c3.zip | |
ARM: shmobile: henninger: add QSPI DT support
Define the Henninger board dependent part of the QSPI device node.
Add device nodes for Spansion S25FL512S SPI flash and MTD partitions on it.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/boot/dts/r8a7791-henninger.dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a7791-henninger.dts | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts index 2e45c06dd96b..1d715a3a6bb5 100644 --- a/arch/arm/boot/dts/r8a7791-henninger.dts +++ b/arch/arm/boot/dts/r8a7791-henninger.dts @@ -109,6 +109,11 @@ renesas,groups = "sdhi2_data4", "sdhi2_ctrl"; renesas,function = "sdhi2"; }; + + qspi_pins: spi0 { + renesas,groups = "qspi_ctrl", "qspi_data4"; + renesas,function = "qspi"; + }; }; &scif0 { @@ -158,3 +163,36 @@ cd-gpios = <&gpio6 22 GPIO_ACTIVE_LOW>; status = "okay"; }; + +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25fl512s"; + reg = <0>; + spi-max-frequency = <30000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + m25p,fast-read; + + partition@0 { + label = "loader_prg"; + reg = <0x00000000 0x00040000>; + read-only; + }; + partition@40000 { + label = "user_prg"; + reg = <0x00040000 0x00400000>; + read-only; + }; + partition@440000 { + label = "flash_fs"; + reg = <0x00440000 0x03bc0000>; + }; + }; +}; |