From e259e04748e2798a747d9c363ded50514b15a7b9 Mon Sep 17 00:00:00 2001 From: Biju Das Date: Wed, 5 Dec 2018 09:06:52 +0000 Subject: [PATCH] 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 Reviewed-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7744-iwg20m.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm/boot/dts/r8a7744-iwg20m.dtsi b/arch/arm/boot/dts/r8a7744-iwg20m.dtsi index 503583e..82ee3c1 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"; -- 2.7.4