From mboxrd@z Thu Jan 1 00:00:00 1970 From: magnus.damm@gmail.com (Magnus Damm) Date: Thu, 05 Dec 2013 06:29:15 +0900 Subject: [PATCH] ARM: shmobile: Genmai SPI over GPIO support Message-ID: <20131204212915.24243.27225.sendpatchset@w520> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Magnus Damm Hook up the serial flash memory to bit bang SPI on the Genmai board. Signed-off-by: Magnus Damm --- Written on to of renesas git tag renesas-devel-v3.13-rc2-20131202 and [PATCH 00/04] ARM: shmobile: r7s72100 and Genmai GPIO / PINCTRL support arch/arm/boot/dts/r7s72100-genmai-reference.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- 0010/arch/arm/boot/dts/r7s72100-genmai-reference.dts +++ work/arch/arm/boot/dts/r7s72100-genmai-reference.dts 2013-12-05 06:23:57.000000000 +0900 @@ -56,5 +56,20 @@ reg = <0x50>; }; }; + spi0 { + compatible = "spi-gpio"; + gpio-sck = <&port9 2 0>; + gpio-mosi = <&port9 4 0>; + gpio-miso = <&port9 5 0>; + cs-gpios = <&port9 3 0>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + s25fl512s: s25fl512s0 { + compatible = "s25fl512s"; + reg = <0>; + spi-max-frequency = <104000000>; + }; + }; };