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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>
This commit is contained in:
Biju Das 2018-12-05 09:06:52 +00:00 committed by Simon Horman
parent b72ce26cb7
commit e259e04748
1 changed files with 26 additions and 0 deletions
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26
arch/arm/boot/dts/r8a7744-iwg20m.dtsi
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@ -36,6 +36,11 @@ mmcif0_pins: mmc {
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 @@ &mmcif0 {
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";