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| author | Fabrizio Castro <fabrizio.castro@bp.renesas.com> | 2017-09-13 19:05:41 +0200 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2017-09-21 10:46:44 +0200 |
| commit | cf1cc6f1da41ceb60f6389b6b46f4f6dc06a2b63 (patch) | |
| tree | be12b2151e241ccc1a58afd4bd57c8250aef3972 /arch/arm | |
| parent | ARM: dts: r8a7745: Add QSPI support (diff) | |
| download | linux-cf1cc6f1da41ceb60f6389b6b46f4f6dc06a2b63.tar.xz linux-cf1cc6f1da41ceb60f6389b6b46f4f6dc06a2b63.zip | |
ARM: dts: iwg22m: Add SPI NOR support
Add support for the SPI NOR device used to boot up the system
to the System on Module DT.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/r8a7745-iwg22m.dtsi | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi index f7f9ceff35a6..ed9a8cf3fe36 100644 --- a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi +++ b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi @@ -39,6 +39,11 @@ function = "mmc"; }; + qspi_pins: qspi { + groups = "qspi_ctrl", "qspi_data2"; + function = "qspi"; + }; + sdhi1_pins: sd1 { groups = "sdhi1_data4", "sdhi1_ctrl"; function = "sdhi1"; @@ -61,6 +66,27 @@ status = "okay"; }; +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + /* WARNING - This device contains the bootloader. Handle with care. */ + flash: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "sst,sst25vf016b", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + m25p,fast-read; + spi-cpol; + spi-cpha; + }; +}; + &sdhi1 { pinctrl-0 = <&sdhi1_pins>; pinctrl-names = "default"; |