[PATCH] ARM: shmobile: Genmai SPI over GPIO support
Magnus Damm
magnus.damm at gmail.com
Wed Dec 4 16:29:15 EST 2013
From: Magnus Damm <damm at opensource.se>
Hook up the serial flash memory to bit bang SPI on the Genmai board.
Signed-off-by: Magnus Damm <damm at opensource.se>
---
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>;
+ };
+ };
};
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