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| author | Biju Das <biju.das@bp.renesas.com> | 2018-12-05 12:06:52 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2018-12-05 22:52:46 +0300 |
| commit | e259e04748e2798a747d9c363ded50514b15a7b9 (patch) | |
| tree | f8ccc03007f1437ed8589994d6bbae8eccba3242 /arch/arm/boot/dts/r8a7744-iwg20m.dtsi | |
| parent | b72ce26cb73afd042d65f737971f560a491e1275 (diff) | |
| download | linux-e259e04748e2798a747d9c363ded50514b15a7b9.tar.xz | |
ARM: dts: r8a7744-iwg20m: Add SPI NOR support
Add support for the SPI NOR device used to boot up the system
to the iWave RZ/G1N Qseven System On Module DT.
Signed-off-by: Biju Das <biju.das@bp.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/boot/dts/r8a7744-iwg20m.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/r8a7744-iwg20m.dtsi | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7744-iwg20m.dtsi b/arch/arm/boot/dts/r8a7744-iwg20m.dtsi index 503583e2c852..82ee3c1140ef 100644 --- a/arch/arm/boot/dts/r8a7744-iwg20m.dtsi +++ b/arch/arm/boot/dts/r8a7744-iwg20m.dtsi @@ -36,6 +36,11 @@ function = "mmc"; }; + qspi_pins: qspi { + groups = "qspi_ctrl", "qspi_data2"; + function = "qspi"; + }; + sdhi0_pins: sd0 { groups = "sdhi0_data4", "sdhi0_ctrl"; function = "sdhi0"; @@ -53,6 +58,27 @@ 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 = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <2>; + spi-rx-bus-width = <2>; + m25p,fast-read; + spi-cpol; + spi-cpha; + }; +}; + &sdhi0 { pinctrl-0 = <&sdhi0_pins>; pinctrl-names = "default"; |