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authorHisashi Nakamura <hisashi.nakamura.ak@renesas.com>2014-12-09 03:37:12 +0300
committerSimon Horman <horms+renesas@verge.net.au>2014-12-21 10:57:18 +0300
commit9c5becce21af35e59c7313d3603af1d620fffd05 (patch)
treef2c1579ad4795c5a85df09f0c23d3eab7bd51c05 /arch/arm
parent22a9b44fc17e83417fa890123a33164ea37fc10c (diff)
downloadlinux-9c5becce21af35e59c7313d3603af1d620fffd05.tar.xz
ARM: shmobile: koelsch: Fix QSPI mode of SPI-Flash into mode3
In order to change into mode3, CPOL and CPHA bit of SPCMD register of QSPI is changed. Mode3 can avoid intermediate voltage. Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> [horms: Updated changelog and re-ordered properties] Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/r8a7791-koelsch.dts2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 1e5f8d2b74b9..691e4c635564 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -444,6 +444,8 @@
spi-max-frequency = <30000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
+ spi-cpha;
+ spi-cpol;
m25p,fast-read;
partition@0 {